Abstract

The detection of minuscule changes in the local refractive index by localized surface plasmon resonances (LSPRs), carried by metal nanostructures, has been used successfully in applications such as real-time and label-free detection of molecular binding events. However, localized plasmons demonstrate 1–2 orders of magnitude lower figure of merit (FOM) compared with their propagating counterparts. Here, we propose and experimentally demonstrate a high-performance refractive index sensor based on a structure of double-layered metal grating (DMG) with an FOM and FOM* reaching 38 and 40 respectively under normal incidence. Such a high FOM and FOM* arise from a result of a sharp fano resonance, which is caused by the coherent interference between the LSPR from the individual top gold stripes and Wood's anomaly (WA). Moreover, a small conformal decay length of ~68 nm is determined in DMG, indicating that the DMG is a promising candidate for label-free biomedical sensing.

© 2015 Optical Society of America

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2015 (2)

B. Zeng, Y. Gao, and F. J. Bartoli, “Differentiating surface and bulk interactions in nanoplasmonic interferometric sensor arrays,” Nanoscale 7(1), 166–170 (2015).
[Crossref] [PubMed]

J. Li, J. Ye, C. Chen, L. Hermans, N. Verellen, J. Ryken, H. Jans, W. Van Roy, V. V. Moshchalkov, L. Lagae, and P. Van Dorpe, “Biosensing Using Diffractively Coupled Plasmonic Crystals: the Figure of Merit Revisited,” Adv. Opt. Mater. 3(2), 176–181 (2015).
[Crossref]

2014 (7)

A. F. Coskun, A. E. Cetin, B. C. Galarreta, D. A. Alvarez, H. Altug, and A. Ozcan, “Lensfree optofluidic plasmonic sensor for real-time and label-free monitoring of. molecular binding events over a wide field-of-view,” Sci Rep 4, 6789 (2014).
[Crossref] [PubMed]

A. Barik, L. M. Otto, D. Yoo, J. Jose, T. W. Johnson, and S. H. Oh, “Dielectrophoresis-Enhanced Plasmonic Sensing with Gold Nanohole arrays,” Nano Lett. 14(4), 2006–2012 (2014).
[Crossref] [PubMed]

B. B. Zeng, Y. K. Gao, and F. J. Bartoli, “Rapid and highly sensitive detection using Fano resonances in ultrathin plasmonic nanogratings,” Appl. Phys. Lett. 105(16), 161106 (2014).
[Crossref]

L. Tong, H. Wei, S. Zhang, and H. Xu, “Recent advances in plasmonic sensors,” Sensors (Basel) 14(5), 7959–7973 (2014).
[Crossref] [PubMed]

Y. L. Ho, A. Portela, Y. Lee, E. Maeda, H. Tabata, and J. J. Delaunay, “Hollow Plasmonic U-Cavities with High-Aspect-Ratio Nanofins Sustaining Strong Optical Vortices for Light Trapping and Sensing,” Adv. Opt. Mater. 2(6), 522–528 (2014).
[Crossref]

B. Stein, E. Devaux, C. Genet, and T. W. Ebbesen, “Plasmonic crystal enhanced refractive index sensing,” Appl. Phys. Lett. 104(25), 251111 (2014).
[Crossref]

T. Liu, Y. Shen, W. Shin, Q. Zhu, S. Fan, and C. Jin, “Dislocated double-layer metal gratings: an efficient unidirectional coupler,” Nano Lett. 14(7), 3848–3854 (2014).
[Crossref] [PubMed]

2013 (2)

Y. Gao, Z. Xin, B. Zeng, Q. Gan, X. Cheng, and F. J. Bartoli, “Plasmonic interferometric sensor arrays for high-performance label-free biomolecular detection,” Lab Chip 13(24), 4755–4764 (2013).
[Crossref] [PubMed]

Y. Shen, J. Zhou, T. Liu, Y. Tao, R. Jiang, M. Liu, G. Xiao, J. Zhu, Z. K. Zhou, X. Wang, C. Jin, and J. Wang, “Plasmonic gold mushroom arrays with refractive index sensing figures of merit approaching the theoretical limit,” Nat. Commun. 4, 2381 (2013).
[Crossref] [PubMed]

2012 (3)

K. Lodewijks, W. Van Roy, G. Borghs, L. Lagae, and P. Van Dorpe, “Boosting the figure-of-merit of LSPR-based refractive index sensing by phase-sensitive measurements,” Nano Lett. 12(3), 1655–1659 (2012).
[Crossref] [PubMed]

B. Stein, J. Y. Laluet, E. Devaux, C. Genet, and T. W. Ebbesen, “Fano Resonances and Leakage Radiation for High-Resolution Plasmonic Sensing,” J. Phys. Chem. C 116(10), 6092–6096 (2012).
[Crossref]

J. Zhao, C. Zhang, P. V. Braun, and H. Giessen, “Large-area low-cost plasmonic nanostructures in the NIR for Fano resonant sensing,” Adv. Mater. 24(35), OP247–OP252 (2012).
[Crossref] [PubMed]

2011 (10)

I. M. Pryce, Y. A. Kelaita, K. Aydin, and H. A. Atwater, “Compliant Metamaterials for Resonantly Enhanced Infrared Absorption Spectroscopy and Refractive Index Sensing,” ACS Nano 5(10), 8167–8174 (2011).
[Crossref] [PubMed]

B. Päivänranta, H. Merbold, R. Giannini, L. Büchi, S. Gorelick, C. David, J. F. Löffler, T. Feurer, and Y. Ekinci, “High Aspect Ratio Plasmonic Nanostructures for Sensing Applications,” ACS Nano 5(8), 6374–6382 (2011).
[Crossref] [PubMed]

W. Kubo and S. Fujikawa, “Au double nanopillars with nanogap for plasmonic sensor,” Nano Lett. 11(1), 8–15 (2011).
[Crossref] [PubMed]

W. Zhou and T. W. Odom, “Tunable subradiant lattice plasmons by out-of-plane dipolar interactions,” Nat. Nanotechnol. 6(7), 423–427 (2011).
[Crossref] [PubMed]

N. Verellen, P. Van Dorpe, C. Huang, K. Lodewijks, G. A. E. Vandenbosch, L. Lagae, and V. V. Moshchalkov, “Plasmon Line Shaping Using Nanocrosses for High Sensitivity Localized Surface Plasmon Resonance Sensing,” Nano Lett. 11(2), 391–397 (2011).
[Crossref] [PubMed]

R. Taubert, R. Ameling, T. Weiss, A. Christ, and H. Giessen, “From near-field to far-field coupling in the third dimension: retarded interaction of particle plasmons,” Nano Lett. 11(10), 4421–4424 (2011).
[Crossref] [PubMed]

A. Cattoni, P. Ghenuche, A. M. Haghiri-Gosnet, D. Decanini, J. Chen, J. L. Pelouard, and S. Collin, “λ(3)/1000 plasmonic nanocavities for biosensing fabricated by soft UV nanoimprint lithography,” Nano Lett. 11(9), 3557–3563 (2011).
[Crossref] [PubMed]

K. M. Mayer and J. H. Hafner, “Localized surface plasmon resonance sensors,” Chem. Rev. 111(6), 3828–3857 (2011).
[Crossref] [PubMed]

A. A. Yanik, A. E. Cetin, M. Huang, A. Artar, S. H. Mousavi, A. Khanikaev, J. H. Connor, G. Shvets, and H. Altug, “Seeing protein monolayers with naked eye through plasmonic Fano resonances,” Proc. Natl. Acad. Sci. U.S.A. 108(29), 11784–11789 (2011).
[Crossref] [PubMed]

N. J. Halas, S. Lal, W. S. Chang, S. Link, and P. Nordlander, “Plasmons in strongly coupled metallic nanostructures,” Chem. Rev. 111(6), 3913–3961 (2011).
[Crossref] [PubMed]

2010 (4)

J. B. Lassiter, H. Sobhani, J. A. Fan, J. Kundu, F. Capasso, P. Nordlander, and N. J. Halas, “Fano resonances in plasmonic nanoclusters: geometrical and chemical tunability,” Nano Lett. 10(8), 3184–3189 (2010).
[Crossref] [PubMed]

J. Becker, A. Trugler, A. Jakab, U. Hohenester, and C. Sonnichsen, “The Optimal Aspect Ratio of Gold Nanorods for Plasmonic Bio-sensing,” Plasmonics 5(2), 161–167 (2010).
[Crossref]

N. Liu, M. Mesch, T. Weiss, M. Hentschel, and H. Giessen, “Infrared Perfect Absorber and Its Application As Plasmonic Sensor,” Nano Lett. 10(7), 2342–2348 (2010).
[Crossref] [PubMed]

R. Ameling, L. Langguth, M. Hentschel, M. Mesch, P. V. Braun, and H. Giessen, “Cavity-enhanced localized plasmon resonance sensing,” Appl. Phys. Lett. 97(25), 253116 (2010).
[Crossref]

2009 (3)

H. Gao, J. M. McMahon, M. H. Lee, J. Henzie, S. K. Gray, G. C. Schatz, and T. W. Odom, “Rayleigh anomaly-surface plasmon polariton resonances in palladium and gold subwavelength hole arrays,” Opt. Express 17(4), 2334–2340 (2009).
[Crossref] [PubMed]

S. N. Burokur, A. Sellier, B. Kante, and A. de Lustrac, “Symmetry breaking in metallic cut wire pairs metamaterials for negative refractive index,” Appl. Phys. Lett. 94(20), 201111 (2009).
[Crossref]

A. V. Kabashin, P. Evans, S. Pastkovsky, W. Hendren, G. A. Wurtz, R. Atkinson, R. Pollard, V. A. Podolskiy, and A. V. Zayats, “Plasmonic nanorod metamaterials for biosensing,” Nat. Mater. 8(11), 867–871 (2009).
[Crossref] [PubMed]

2008 (3)

J. Homola, “Surface plasmon resonance sensors for detection of chemical and biological species,” Chem. Rev. 108(2), 462–493 (2008).
[Crossref] [PubMed]

A. Christ, O. J. F. Martin, Y. Ekinci, N. A. Gippius, and S. G. Tikhodeev, “Symmetry breaking in a plasmonic metamaterial at optical wavelength,” Nano Lett. 8(8), 2171–2175 (2008).
[Crossref] [PubMed]

V. G. Kravets, F. Schedin, and A. N. Grigorenko, “Extremely narrow plasmon resonances based on diffraction coupling of localized plasmons in arrays of metallic nanoparticles,” Phys. Rev. Lett. 101(8), 087403 (2008).
[Crossref] [PubMed]

2006 (2)

2005 (2)

L. J. Sherry, S. H. Chang, G. C. Schatz, R. P. Van Duyne, B. J. Wiley, and Y. Xia, “Localized surface plasmon resonance spectroscopy of single silver nanocubes,” Nano Lett. 5(10), 2034–2038 (2005).
[Crossref] [PubMed]

T. Rindzevicius, Y. Alaverdyan, A. Dahlin, F. Höök, D. S. Sutherland, and M. Käll, “Plasmonic Sensing Characteristics of Single Nanometric Holes,” Nano Lett. 5(11), 2335–2339 (2005).
[Crossref] [PubMed]

2003 (1)

W. L. Barnes, A. Dereux, and T. W. Ebbesen, “Surface plasmon subwavelength optics,” Nature 424(6950), 824–830 (2003).
[Crossref] [PubMed]

1998 (3)

H. Ghaemi, T. Thio, D. Grupp, T. Ebbesen, and H. Lezec, “Surface plasmons enhance optical transmission through subwavelength holes,” Phys. Rev. B 58(11), 6779–6782 (1998).
[Crossref]

T. W. Ebbesen, H. J. Lezec, H. F. Ghaemi, T. Thio, and P. A. Wolff, “Extraordinary optical transmission through sub-wavelength hole arrays,” Nature 391(6668), 667–669 (1998).
[Crossref]

L. S. Jung, C. T. Campbell, T. M. Chinowsky, M. N. Mar, and S. S. Yee, “Quantitative Interpretation of the Response of Surface Plasmon Resonance Sensors to Adsorbed Films,” Langmuir 14(19), 5636–5648 (1998).
[Crossref]

Alaverdyan, Y.

T. Rindzevicius, Y. Alaverdyan, A. Dahlin, F. Höök, D. S. Sutherland, and M. Käll, “Plasmonic Sensing Characteristics of Single Nanometric Holes,” Nano Lett. 5(11), 2335–2339 (2005).
[Crossref] [PubMed]

Altug, H.

A. F. Coskun, A. E. Cetin, B. C. Galarreta, D. A. Alvarez, H. Altug, and A. Ozcan, “Lensfree optofluidic plasmonic sensor for real-time and label-free monitoring of. molecular binding events over a wide field-of-view,” Sci Rep 4, 6789 (2014).
[Crossref] [PubMed]

A. A. Yanik, A. E. Cetin, M. Huang, A. Artar, S. H. Mousavi, A. Khanikaev, J. H. Connor, G. Shvets, and H. Altug, “Seeing protein monolayers with naked eye through plasmonic Fano resonances,” Proc. Natl. Acad. Sci. U.S.A. 108(29), 11784–11789 (2011).
[Crossref] [PubMed]

Alvarez, D. A.

A. F. Coskun, A. E. Cetin, B. C. Galarreta, D. A. Alvarez, H. Altug, and A. Ozcan, “Lensfree optofluidic plasmonic sensor for real-time and label-free monitoring of. molecular binding events over a wide field-of-view,” Sci Rep 4, 6789 (2014).
[Crossref] [PubMed]

Ameling, R.

R. Taubert, R. Ameling, T. Weiss, A. Christ, and H. Giessen, “From near-field to far-field coupling in the third dimension: retarded interaction of particle plasmons,” Nano Lett. 11(10), 4421–4424 (2011).
[Crossref] [PubMed]

R. Ameling, L. Langguth, M. Hentschel, M. Mesch, P. V. Braun, and H. Giessen, “Cavity-enhanced localized plasmon resonance sensing,” Appl. Phys. Lett. 97(25), 253116 (2010).
[Crossref]

Artar, A.

A. A. Yanik, A. E. Cetin, M. Huang, A. Artar, S. H. Mousavi, A. Khanikaev, J. H. Connor, G. Shvets, and H. Altug, “Seeing protein monolayers with naked eye through plasmonic Fano resonances,” Proc. Natl. Acad. Sci. U.S.A. 108(29), 11784–11789 (2011).
[Crossref] [PubMed]

Atkinson, R.

A. V. Kabashin, P. Evans, S. Pastkovsky, W. Hendren, G. A. Wurtz, R. Atkinson, R. Pollard, V. A. Podolskiy, and A. V. Zayats, “Plasmonic nanorod metamaterials for biosensing,” Nat. Mater. 8(11), 867–871 (2009).
[Crossref] [PubMed]

Atwater, H. A.

I. M. Pryce, Y. A. Kelaita, K. Aydin, and H. A. Atwater, “Compliant Metamaterials for Resonantly Enhanced Infrared Absorption Spectroscopy and Refractive Index Sensing,” ACS Nano 5(10), 8167–8174 (2011).
[Crossref] [PubMed]

Aydin, K.

I. M. Pryce, Y. A. Kelaita, K. Aydin, and H. A. Atwater, “Compliant Metamaterials for Resonantly Enhanced Infrared Absorption Spectroscopy and Refractive Index Sensing,” ACS Nano 5(10), 8167–8174 (2011).
[Crossref] [PubMed]

Barik, A.

A. Barik, L. M. Otto, D. Yoo, J. Jose, T. W. Johnson, and S. H. Oh, “Dielectrophoresis-Enhanced Plasmonic Sensing with Gold Nanohole arrays,” Nano Lett. 14(4), 2006–2012 (2014).
[Crossref] [PubMed]

Barnes, W. L.

W. L. Barnes, A. Dereux, and T. W. Ebbesen, “Surface plasmon subwavelength optics,” Nature 424(6950), 824–830 (2003).
[Crossref] [PubMed]

Bartoli, F. J.

B. Zeng, Y. Gao, and F. J. Bartoli, “Differentiating surface and bulk interactions in nanoplasmonic interferometric sensor arrays,” Nanoscale 7(1), 166–170 (2015).
[Crossref] [PubMed]

B. B. Zeng, Y. K. Gao, and F. J. Bartoli, “Rapid and highly sensitive detection using Fano resonances in ultrathin plasmonic nanogratings,” Appl. Phys. Lett. 105(16), 161106 (2014).
[Crossref]

Y. Gao, Z. Xin, B. Zeng, Q. Gan, X. Cheng, and F. J. Bartoli, “Plasmonic interferometric sensor arrays for high-performance label-free biomolecular detection,” Lab Chip 13(24), 4755–4764 (2013).
[Crossref] [PubMed]

Becker, J.

J. Becker, A. Trugler, A. Jakab, U. Hohenester, and C. Sonnichsen, “The Optimal Aspect Ratio of Gold Nanorods for Plasmonic Bio-sensing,” Plasmonics 5(2), 161–167 (2010).
[Crossref]

Borghs, G.

K. Lodewijks, W. Van Roy, G. Borghs, L. Lagae, and P. Van Dorpe, “Boosting the figure-of-merit of LSPR-based refractive index sensing by phase-sensitive measurements,” Nano Lett. 12(3), 1655–1659 (2012).
[Crossref] [PubMed]

Brandl, D. W.

H. Wang, D. W. Brandl, F. Le, P. Nordlander, and N. J. Halas, “Nanorice: a hybrid plasmonic nanostructure,” Nano Lett. 6(4), 827–832 (2006).
[Crossref] [PubMed]

Braun, P. V.

J. Zhao, C. Zhang, P. V. Braun, and H. Giessen, “Large-area low-cost plasmonic nanostructures in the NIR for Fano resonant sensing,” Adv. Mater. 24(35), OP247–OP252 (2012).
[Crossref] [PubMed]

R. Ameling, L. Langguth, M. Hentschel, M. Mesch, P. V. Braun, and H. Giessen, “Cavity-enhanced localized plasmon resonance sensing,” Appl. Phys. Lett. 97(25), 253116 (2010).
[Crossref]

Büchi, L.

B. Päivänranta, H. Merbold, R. Giannini, L. Büchi, S. Gorelick, C. David, J. F. Löffler, T. Feurer, and Y. Ekinci, “High Aspect Ratio Plasmonic Nanostructures for Sensing Applications,” ACS Nano 5(8), 6374–6382 (2011).
[Crossref] [PubMed]

Burokur, S. N.

S. N. Burokur, A. Sellier, B. Kante, and A. de Lustrac, “Symmetry breaking in metallic cut wire pairs metamaterials for negative refractive index,” Appl. Phys. Lett. 94(20), 201111 (2009).
[Crossref]

Campbell, C. T.

L. S. Jung, C. T. Campbell, T. M. Chinowsky, M. N. Mar, and S. S. Yee, “Quantitative Interpretation of the Response of Surface Plasmon Resonance Sensors to Adsorbed Films,” Langmuir 14(19), 5636–5648 (1998).
[Crossref]

Capasso, F.

J. B. Lassiter, H. Sobhani, J. A. Fan, J. Kundu, F. Capasso, P. Nordlander, and N. J. Halas, “Fano resonances in plasmonic nanoclusters: geometrical and chemical tunability,” Nano Lett. 10(8), 3184–3189 (2010).
[Crossref] [PubMed]

Cattoni, A.

A. Cattoni, P. Ghenuche, A. M. Haghiri-Gosnet, D. Decanini, J. Chen, J. L. Pelouard, and S. Collin, “λ(3)/1000 plasmonic nanocavities for biosensing fabricated by soft UV nanoimprint lithography,” Nano Lett. 11(9), 3557–3563 (2011).
[Crossref] [PubMed]

Cetin, A. E.

A. F. Coskun, A. E. Cetin, B. C. Galarreta, D. A. Alvarez, H. Altug, and A. Ozcan, “Lensfree optofluidic plasmonic sensor for real-time and label-free monitoring of. molecular binding events over a wide field-of-view,” Sci Rep 4, 6789 (2014).
[Crossref] [PubMed]

A. A. Yanik, A. E. Cetin, M. Huang, A. Artar, S. H. Mousavi, A. Khanikaev, J. H. Connor, G. Shvets, and H. Altug, “Seeing protein monolayers with naked eye through plasmonic Fano resonances,” Proc. Natl. Acad. Sci. U.S.A. 108(29), 11784–11789 (2011).
[Crossref] [PubMed]

Chang, S. H.

L. J. Sherry, S. H. Chang, G. C. Schatz, R. P. Van Duyne, B. J. Wiley, and Y. Xia, “Localized surface plasmon resonance spectroscopy of single silver nanocubes,” Nano Lett. 5(10), 2034–2038 (2005).
[Crossref] [PubMed]

Chang, W. S.

N. J. Halas, S. Lal, W. S. Chang, S. Link, and P. Nordlander, “Plasmons in strongly coupled metallic nanostructures,” Chem. Rev. 111(6), 3913–3961 (2011).
[Crossref] [PubMed]

Chen, C.

J. Li, J. Ye, C. Chen, L. Hermans, N. Verellen, J. Ryken, H. Jans, W. Van Roy, V. V. Moshchalkov, L. Lagae, and P. Van Dorpe, “Biosensing Using Diffractively Coupled Plasmonic Crystals: the Figure of Merit Revisited,” Adv. Opt. Mater. 3(2), 176–181 (2015).
[Crossref]

Chen, J.

A. Cattoni, P. Ghenuche, A. M. Haghiri-Gosnet, D. Decanini, J. Chen, J. L. Pelouard, and S. Collin, “λ(3)/1000 plasmonic nanocavities for biosensing fabricated by soft UV nanoimprint lithography,” Nano Lett. 11(9), 3557–3563 (2011).
[Crossref] [PubMed]

Cheng, X.

Y. Gao, Z. Xin, B. Zeng, Q. Gan, X. Cheng, and F. J. Bartoli, “Plasmonic interferometric sensor arrays for high-performance label-free biomolecular detection,” Lab Chip 13(24), 4755–4764 (2013).
[Crossref] [PubMed]

Chinowsky, T. M.

L. S. Jung, C. T. Campbell, T. M. Chinowsky, M. N. Mar, and S. S. Yee, “Quantitative Interpretation of the Response of Surface Plasmon Resonance Sensors to Adsorbed Films,” Langmuir 14(19), 5636–5648 (1998).
[Crossref]

Christ, A.

R. Taubert, R. Ameling, T. Weiss, A. Christ, and H. Giessen, “From near-field to far-field coupling in the third dimension: retarded interaction of particle plasmons,” Nano Lett. 11(10), 4421–4424 (2011).
[Crossref] [PubMed]

A. Christ, O. J. F. Martin, Y. Ekinci, N. A. Gippius, and S. G. Tikhodeev, “Symmetry breaking in a plasmonic metamaterial at optical wavelength,” Nano Lett. 8(8), 2171–2175 (2008).
[Crossref] [PubMed]

Collin, S.

A. Cattoni, P. Ghenuche, A. M. Haghiri-Gosnet, D. Decanini, J. Chen, J. L. Pelouard, and S. Collin, “λ(3)/1000 plasmonic nanocavities for biosensing fabricated by soft UV nanoimprint lithography,” Nano Lett. 11(9), 3557–3563 (2011).
[Crossref] [PubMed]

Connor, J. H.

A. A. Yanik, A. E. Cetin, M. Huang, A. Artar, S. H. Mousavi, A. Khanikaev, J. H. Connor, G. Shvets, and H. Altug, “Seeing protein monolayers with naked eye through plasmonic Fano resonances,” Proc. Natl. Acad. Sci. U.S.A. 108(29), 11784–11789 (2011).
[Crossref] [PubMed]

Coskun, A. F.

A. F. Coskun, A. E. Cetin, B. C. Galarreta, D. A. Alvarez, H. Altug, and A. Ozcan, “Lensfree optofluidic plasmonic sensor for real-time and label-free monitoring of. molecular binding events over a wide field-of-view,” Sci Rep 4, 6789 (2014).
[Crossref] [PubMed]

Dahlin, A.

T. Rindzevicius, Y. Alaverdyan, A. Dahlin, F. Höök, D. S. Sutherland, and M. Käll, “Plasmonic Sensing Characteristics of Single Nanometric Holes,” Nano Lett. 5(11), 2335–2339 (2005).
[Crossref] [PubMed]

David, C.

B. Päivänranta, H. Merbold, R. Giannini, L. Büchi, S. Gorelick, C. David, J. F. Löffler, T. Feurer, and Y. Ekinci, “High Aspect Ratio Plasmonic Nanostructures for Sensing Applications,” ACS Nano 5(8), 6374–6382 (2011).
[Crossref] [PubMed]

de Lustrac, A.

S. N. Burokur, A. Sellier, B. Kante, and A. de Lustrac, “Symmetry breaking in metallic cut wire pairs metamaterials for negative refractive index,” Appl. Phys. Lett. 94(20), 201111 (2009).
[Crossref]

Decanini, D.

A. Cattoni, P. Ghenuche, A. M. Haghiri-Gosnet, D. Decanini, J. Chen, J. L. Pelouard, and S. Collin, “λ(3)/1000 plasmonic nanocavities for biosensing fabricated by soft UV nanoimprint lithography,” Nano Lett. 11(9), 3557–3563 (2011).
[Crossref] [PubMed]

Delaunay, J. J.

Y. L. Ho, A. Portela, Y. Lee, E. Maeda, H. Tabata, and J. J. Delaunay, “Hollow Plasmonic U-Cavities with High-Aspect-Ratio Nanofins Sustaining Strong Optical Vortices for Light Trapping and Sensing,” Adv. Opt. Mater. 2(6), 522–528 (2014).
[Crossref]

Dereux, A.

W. L. Barnes, A. Dereux, and T. W. Ebbesen, “Surface plasmon subwavelength optics,” Nature 424(6950), 824–830 (2003).
[Crossref] [PubMed]

Devaux, E.

B. Stein, E. Devaux, C. Genet, and T. W. Ebbesen, “Plasmonic crystal enhanced refractive index sensing,” Appl. Phys. Lett. 104(25), 251111 (2014).
[Crossref]

B. Stein, J. Y. Laluet, E. Devaux, C. Genet, and T. W. Ebbesen, “Fano Resonances and Leakage Radiation for High-Resolution Plasmonic Sensing,” J. Phys. Chem. C 116(10), 6092–6096 (2012).
[Crossref]

Ebbesen, T.

H. Ghaemi, T. Thio, D. Grupp, T. Ebbesen, and H. Lezec, “Surface plasmons enhance optical transmission through subwavelength holes,” Phys. Rev. B 58(11), 6779–6782 (1998).
[Crossref]

Ebbesen, T. W.

B. Stein, E. Devaux, C. Genet, and T. W. Ebbesen, “Plasmonic crystal enhanced refractive index sensing,” Appl. Phys. Lett. 104(25), 251111 (2014).
[Crossref]

B. Stein, J. Y. Laluet, E. Devaux, C. Genet, and T. W. Ebbesen, “Fano Resonances and Leakage Radiation for High-Resolution Plasmonic Sensing,” J. Phys. Chem. C 116(10), 6092–6096 (2012).
[Crossref]

W. L. Barnes, A. Dereux, and T. W. Ebbesen, “Surface plasmon subwavelength optics,” Nature 424(6950), 824–830 (2003).
[Crossref] [PubMed]

T. W. Ebbesen, H. J. Lezec, H. F. Ghaemi, T. Thio, and P. A. Wolff, “Extraordinary optical transmission through sub-wavelength hole arrays,” Nature 391(6668), 667–669 (1998).
[Crossref]

Ekinci, Y.

B. Päivänranta, H. Merbold, R. Giannini, L. Büchi, S. Gorelick, C. David, J. F. Löffler, T. Feurer, and Y. Ekinci, “High Aspect Ratio Plasmonic Nanostructures for Sensing Applications,” ACS Nano 5(8), 6374–6382 (2011).
[Crossref] [PubMed]

A. Christ, O. J. F. Martin, Y. Ekinci, N. A. Gippius, and S. G. Tikhodeev, “Symmetry breaking in a plasmonic metamaterial at optical wavelength,” Nano Lett. 8(8), 2171–2175 (2008).
[Crossref] [PubMed]

Evans, P.

A. V. Kabashin, P. Evans, S. Pastkovsky, W. Hendren, G. A. Wurtz, R. Atkinson, R. Pollard, V. A. Podolskiy, and A. V. Zayats, “Plasmonic nanorod metamaterials for biosensing,” Nat. Mater. 8(11), 867–871 (2009).
[Crossref] [PubMed]

Fainman, Y.

Fan, J. A.

J. B. Lassiter, H. Sobhani, J. A. Fan, J. Kundu, F. Capasso, P. Nordlander, and N. J. Halas, “Fano resonances in plasmonic nanoclusters: geometrical and chemical tunability,” Nano Lett. 10(8), 3184–3189 (2010).
[Crossref] [PubMed]

Fan, S.

T. Liu, Y. Shen, W. Shin, Q. Zhu, S. Fan, and C. Jin, “Dislocated double-layer metal gratings: an efficient unidirectional coupler,” Nano Lett. 14(7), 3848–3854 (2014).
[Crossref] [PubMed]

Feurer, T.

B. Päivänranta, H. Merbold, R. Giannini, L. Büchi, S. Gorelick, C. David, J. F. Löffler, T. Feurer, and Y. Ekinci, “High Aspect Ratio Plasmonic Nanostructures for Sensing Applications,” ACS Nano 5(8), 6374–6382 (2011).
[Crossref] [PubMed]

Fujikawa, S.

W. Kubo and S. Fujikawa, “Au double nanopillars with nanogap for plasmonic sensor,” Nano Lett. 11(1), 8–15 (2011).
[Crossref] [PubMed]

Galarreta, B. C.

A. F. Coskun, A. E. Cetin, B. C. Galarreta, D. A. Alvarez, H. Altug, and A. Ozcan, “Lensfree optofluidic plasmonic sensor for real-time and label-free monitoring of. molecular binding events over a wide field-of-view,” Sci Rep 4, 6789 (2014).
[Crossref] [PubMed]

Gan, Q.

Y. Gao, Z. Xin, B. Zeng, Q. Gan, X. Cheng, and F. J. Bartoli, “Plasmonic interferometric sensor arrays for high-performance label-free biomolecular detection,” Lab Chip 13(24), 4755–4764 (2013).
[Crossref] [PubMed]

Gao, H.

Gao, Y.

B. Zeng, Y. Gao, and F. J. Bartoli, “Differentiating surface and bulk interactions in nanoplasmonic interferometric sensor arrays,” Nanoscale 7(1), 166–170 (2015).
[Crossref] [PubMed]

Y. Gao, Z. Xin, B. Zeng, Q. Gan, X. Cheng, and F. J. Bartoli, “Plasmonic interferometric sensor arrays for high-performance label-free biomolecular detection,” Lab Chip 13(24), 4755–4764 (2013).
[Crossref] [PubMed]

Gao, Y. K.

B. B. Zeng, Y. K. Gao, and F. J. Bartoli, “Rapid and highly sensitive detection using Fano resonances in ultrathin plasmonic nanogratings,” Appl. Phys. Lett. 105(16), 161106 (2014).
[Crossref]

Genet, C.

B. Stein, E. Devaux, C. Genet, and T. W. Ebbesen, “Plasmonic crystal enhanced refractive index sensing,” Appl. Phys. Lett. 104(25), 251111 (2014).
[Crossref]

B. Stein, J. Y. Laluet, E. Devaux, C. Genet, and T. W. Ebbesen, “Fano Resonances and Leakage Radiation for High-Resolution Plasmonic Sensing,” J. Phys. Chem. C 116(10), 6092–6096 (2012).
[Crossref]

Ghaemi, H.

H. Ghaemi, T. Thio, D. Grupp, T. Ebbesen, and H. Lezec, “Surface plasmons enhance optical transmission through subwavelength holes,” Phys. Rev. B 58(11), 6779–6782 (1998).
[Crossref]

Ghaemi, H. F.

T. W. Ebbesen, H. J. Lezec, H. F. Ghaemi, T. Thio, and P. A. Wolff, “Extraordinary optical transmission through sub-wavelength hole arrays,” Nature 391(6668), 667–669 (1998).
[Crossref]

Ghenuche, P.

A. Cattoni, P. Ghenuche, A. M. Haghiri-Gosnet, D. Decanini, J. Chen, J. L. Pelouard, and S. Collin, “λ(3)/1000 plasmonic nanocavities for biosensing fabricated by soft UV nanoimprint lithography,” Nano Lett. 11(9), 3557–3563 (2011).
[Crossref] [PubMed]

Giannini, R.

B. Päivänranta, H. Merbold, R. Giannini, L. Büchi, S. Gorelick, C. David, J. F. Löffler, T. Feurer, and Y. Ekinci, “High Aspect Ratio Plasmonic Nanostructures for Sensing Applications,” ACS Nano 5(8), 6374–6382 (2011).
[Crossref] [PubMed]

Giessen, H.

J. Zhao, C. Zhang, P. V. Braun, and H. Giessen, “Large-area low-cost plasmonic nanostructures in the NIR for Fano resonant sensing,” Adv. Mater. 24(35), OP247–OP252 (2012).
[Crossref] [PubMed]

R. Taubert, R. Ameling, T. Weiss, A. Christ, and H. Giessen, “From near-field to far-field coupling in the third dimension: retarded interaction of particle plasmons,” Nano Lett. 11(10), 4421–4424 (2011).
[Crossref] [PubMed]

N. Liu, M. Mesch, T. Weiss, M. Hentschel, and H. Giessen, “Infrared Perfect Absorber and Its Application As Plasmonic Sensor,” Nano Lett. 10(7), 2342–2348 (2010).
[Crossref] [PubMed]

R. Ameling, L. Langguth, M. Hentschel, M. Mesch, P. V. Braun, and H. Giessen, “Cavity-enhanced localized plasmon resonance sensing,” Appl. Phys. Lett. 97(25), 253116 (2010).
[Crossref]

Gippius, N. A.

A. Christ, O. J. F. Martin, Y. Ekinci, N. A. Gippius, and S. G. Tikhodeev, “Symmetry breaking in a plasmonic metamaterial at optical wavelength,” Nano Lett. 8(8), 2171–2175 (2008).
[Crossref] [PubMed]

Gorelick, S.

B. Päivänranta, H. Merbold, R. Giannini, L. Büchi, S. Gorelick, C. David, J. F. Löffler, T. Feurer, and Y. Ekinci, “High Aspect Ratio Plasmonic Nanostructures for Sensing Applications,” ACS Nano 5(8), 6374–6382 (2011).
[Crossref] [PubMed]

Gray, S. K.

Grigorenko, A. N.

V. G. Kravets, F. Schedin, and A. N. Grigorenko, “Extremely narrow plasmon resonances based on diffraction coupling of localized plasmons in arrays of metallic nanoparticles,” Phys. Rev. Lett. 101(8), 087403 (2008).
[Crossref] [PubMed]

Grupp, D.

H. Ghaemi, T. Thio, D. Grupp, T. Ebbesen, and H. Lezec, “Surface plasmons enhance optical transmission through subwavelength holes,” Phys. Rev. B 58(11), 6779–6782 (1998).
[Crossref]

Hafner, J. H.

K. M. Mayer and J. H. Hafner, “Localized surface plasmon resonance sensors,” Chem. Rev. 111(6), 3828–3857 (2011).
[Crossref] [PubMed]

Haghiri-Gosnet, A. M.

A. Cattoni, P. Ghenuche, A. M. Haghiri-Gosnet, D. Decanini, J. Chen, J. L. Pelouard, and S. Collin, “λ(3)/1000 plasmonic nanocavities for biosensing fabricated by soft UV nanoimprint lithography,” Nano Lett. 11(9), 3557–3563 (2011).
[Crossref] [PubMed]

Halas, N. J.

N. J. Halas, S. Lal, W. S. Chang, S. Link, and P. Nordlander, “Plasmons in strongly coupled metallic nanostructures,” Chem. Rev. 111(6), 3913–3961 (2011).
[Crossref] [PubMed]

J. B. Lassiter, H. Sobhani, J. A. Fan, J. Kundu, F. Capasso, P. Nordlander, and N. J. Halas, “Fano resonances in plasmonic nanoclusters: geometrical and chemical tunability,” Nano Lett. 10(8), 3184–3189 (2010).
[Crossref] [PubMed]

H. Wang, D. W. Brandl, F. Le, P. Nordlander, and N. J. Halas, “Nanorice: a hybrid plasmonic nanostructure,” Nano Lett. 6(4), 827–832 (2006).
[Crossref] [PubMed]

Hendren, W.

A. V. Kabashin, P. Evans, S. Pastkovsky, W. Hendren, G. A. Wurtz, R. Atkinson, R. Pollard, V. A. Podolskiy, and A. V. Zayats, “Plasmonic nanorod metamaterials for biosensing,” Nat. Mater. 8(11), 867–871 (2009).
[Crossref] [PubMed]

Hentschel, M.

R. Ameling, L. Langguth, M. Hentschel, M. Mesch, P. V. Braun, and H. Giessen, “Cavity-enhanced localized plasmon resonance sensing,” Appl. Phys. Lett. 97(25), 253116 (2010).
[Crossref]

N. Liu, M. Mesch, T. Weiss, M. Hentschel, and H. Giessen, “Infrared Perfect Absorber and Its Application As Plasmonic Sensor,” Nano Lett. 10(7), 2342–2348 (2010).
[Crossref] [PubMed]

Henzie, J.

Hermans, L.

J. Li, J. Ye, C. Chen, L. Hermans, N. Verellen, J. Ryken, H. Jans, W. Van Roy, V. V. Moshchalkov, L. Lagae, and P. Van Dorpe, “Biosensing Using Diffractively Coupled Plasmonic Crystals: the Figure of Merit Revisited,” Adv. Opt. Mater. 3(2), 176–181 (2015).
[Crossref]

Ho, Y. L.

Y. L. Ho, A. Portela, Y. Lee, E. Maeda, H. Tabata, and J. J. Delaunay, “Hollow Plasmonic U-Cavities with High-Aspect-Ratio Nanofins Sustaining Strong Optical Vortices for Light Trapping and Sensing,” Adv. Opt. Mater. 2(6), 522–528 (2014).
[Crossref]

Hohenester, U.

J. Becker, A. Trugler, A. Jakab, U. Hohenester, and C. Sonnichsen, “The Optimal Aspect Ratio of Gold Nanorods for Plasmonic Bio-sensing,” Plasmonics 5(2), 161–167 (2010).
[Crossref]

Homola, J.

J. Homola, “Surface plasmon resonance sensors for detection of chemical and biological species,” Chem. Rev. 108(2), 462–493 (2008).
[Crossref] [PubMed]

Höök, F.

T. Rindzevicius, Y. Alaverdyan, A. Dahlin, F. Höök, D. S. Sutherland, and M. Käll, “Plasmonic Sensing Characteristics of Single Nanometric Holes,” Nano Lett. 5(11), 2335–2339 (2005).
[Crossref] [PubMed]

Huang, C.

N. Verellen, P. Van Dorpe, C. Huang, K. Lodewijks, G. A. E. Vandenbosch, L. Lagae, and V. V. Moshchalkov, “Plasmon Line Shaping Using Nanocrosses for High Sensitivity Localized Surface Plasmon Resonance Sensing,” Nano Lett. 11(2), 391–397 (2011).
[Crossref] [PubMed]

Huang, M.

A. A. Yanik, A. E. Cetin, M. Huang, A. Artar, S. H. Mousavi, A. Khanikaev, J. H. Connor, G. Shvets, and H. Altug, “Seeing protein monolayers with naked eye through plasmonic Fano resonances,” Proc. Natl. Acad. Sci. U.S.A. 108(29), 11784–11789 (2011).
[Crossref] [PubMed]

Jakab, A.

J. Becker, A. Trugler, A. Jakab, U. Hohenester, and C. Sonnichsen, “The Optimal Aspect Ratio of Gold Nanorods for Plasmonic Bio-sensing,” Plasmonics 5(2), 161–167 (2010).
[Crossref]

Jans, H.

J. Li, J. Ye, C. Chen, L. Hermans, N. Verellen, J. Ryken, H. Jans, W. Van Roy, V. V. Moshchalkov, L. Lagae, and P. Van Dorpe, “Biosensing Using Diffractively Coupled Plasmonic Crystals: the Figure of Merit Revisited,” Adv. Opt. Mater. 3(2), 176–181 (2015).
[Crossref]

Jiang, R.

Y. Shen, J. Zhou, T. Liu, Y. Tao, R. Jiang, M. Liu, G. Xiao, J. Zhu, Z. K. Zhou, X. Wang, C. Jin, and J. Wang, “Plasmonic gold mushroom arrays with refractive index sensing figures of merit approaching the theoretical limit,” Nat. Commun. 4, 2381 (2013).
[Crossref] [PubMed]

Jin, C.

T. Liu, Y. Shen, W. Shin, Q. Zhu, S. Fan, and C. Jin, “Dislocated double-layer metal gratings: an efficient unidirectional coupler,” Nano Lett. 14(7), 3848–3854 (2014).
[Crossref] [PubMed]

Y. Shen, J. Zhou, T. Liu, Y. Tao, R. Jiang, M. Liu, G. Xiao, J. Zhu, Z. K. Zhou, X. Wang, C. Jin, and J. Wang, “Plasmonic gold mushroom arrays with refractive index sensing figures of merit approaching the theoretical limit,” Nat. Commun. 4, 2381 (2013).
[Crossref] [PubMed]

Johnson, T. W.

A. Barik, L. M. Otto, D. Yoo, J. Jose, T. W. Johnson, and S. H. Oh, “Dielectrophoresis-Enhanced Plasmonic Sensing with Gold Nanohole arrays,” Nano Lett. 14(4), 2006–2012 (2014).
[Crossref] [PubMed]

Jose, J.

A. Barik, L. M. Otto, D. Yoo, J. Jose, T. W. Johnson, and S. H. Oh, “Dielectrophoresis-Enhanced Plasmonic Sensing with Gold Nanohole arrays,” Nano Lett. 14(4), 2006–2012 (2014).
[Crossref] [PubMed]

Jung, L. S.

L. S. Jung, C. T. Campbell, T. M. Chinowsky, M. N. Mar, and S. S. Yee, “Quantitative Interpretation of the Response of Surface Plasmon Resonance Sensors to Adsorbed Films,” Langmuir 14(19), 5636–5648 (1998).
[Crossref]

Kabashin, A. V.

A. V. Kabashin, P. Evans, S. Pastkovsky, W. Hendren, G. A. Wurtz, R. Atkinson, R. Pollard, V. A. Podolskiy, and A. V. Zayats, “Plasmonic nanorod metamaterials for biosensing,” Nat. Mater. 8(11), 867–871 (2009).
[Crossref] [PubMed]

Käll, M.

T. Rindzevicius, Y. Alaverdyan, A. Dahlin, F. Höök, D. S. Sutherland, and M. Käll, “Plasmonic Sensing Characteristics of Single Nanometric Holes,” Nano Lett. 5(11), 2335–2339 (2005).
[Crossref] [PubMed]

Kante, B.

S. N. Burokur, A. Sellier, B. Kante, and A. de Lustrac, “Symmetry breaking in metallic cut wire pairs metamaterials for negative refractive index,” Appl. Phys. Lett. 94(20), 201111 (2009).
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Kelaita, Y. A.

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Lee, Y.

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T. W. Ebbesen, H. J. Lezec, H. F. Ghaemi, T. Thio, and P. A. Wolff, “Extraordinary optical transmission through sub-wavelength hole arrays,” Nature 391(6668), 667–669 (1998).
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N. J. Halas, S. Lal, W. S. Chang, S. Link, and P. Nordlander, “Plasmons in strongly coupled metallic nanostructures,” Chem. Rev. 111(6), 3913–3961 (2011).
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Y. Shen, J. Zhou, T. Liu, Y. Tao, R. Jiang, M. Liu, G. Xiao, J. Zhu, Z. K. Zhou, X. Wang, C. Jin, and J. Wang, “Plasmonic gold mushroom arrays with refractive index sensing figures of merit approaching the theoretical limit,” Nat. Commun. 4, 2381 (2013).
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N. Liu, M. Mesch, T. Weiss, M. Hentschel, and H. Giessen, “Infrared Perfect Absorber and Its Application As Plasmonic Sensor,” Nano Lett. 10(7), 2342–2348 (2010).
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T. Liu, Y. Shen, W. Shin, Q. Zhu, S. Fan, and C. Jin, “Dislocated double-layer metal gratings: an efficient unidirectional coupler,” Nano Lett. 14(7), 3848–3854 (2014).
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K. Lodewijks, W. Van Roy, G. Borghs, L. Lagae, and P. Van Dorpe, “Boosting the figure-of-merit of LSPR-based refractive index sensing by phase-sensitive measurements,” Nano Lett. 12(3), 1655–1659 (2012).
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N. Verellen, P. Van Dorpe, C. Huang, K. Lodewijks, G. A. E. Vandenbosch, L. Lagae, and V. V. Moshchalkov, “Plasmon Line Shaping Using Nanocrosses for High Sensitivity Localized Surface Plasmon Resonance Sensing,” Nano Lett. 11(2), 391–397 (2011).
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B. Päivänranta, H. Merbold, R. Giannini, L. Büchi, S. Gorelick, C. David, J. F. Löffler, T. Feurer, and Y. Ekinci, “High Aspect Ratio Plasmonic Nanostructures for Sensing Applications,” ACS Nano 5(8), 6374–6382 (2011).
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R. Ameling, L. Langguth, M. Hentschel, M. Mesch, P. V. Braun, and H. Giessen, “Cavity-enhanced localized plasmon resonance sensing,” Appl. Phys. Lett. 97(25), 253116 (2010).
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J. Li, J. Ye, C. Chen, L. Hermans, N. Verellen, J. Ryken, H. Jans, W. Van Roy, V. V. Moshchalkov, L. Lagae, and P. Van Dorpe, “Biosensing Using Diffractively Coupled Plasmonic Crystals: the Figure of Merit Revisited,” Adv. Opt. Mater. 3(2), 176–181 (2015).
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A. A. Yanik, A. E. Cetin, M. Huang, A. Artar, S. H. Mousavi, A. Khanikaev, J. H. Connor, G. Shvets, and H. Altug, “Seeing protein monolayers with naked eye through plasmonic Fano resonances,” Proc. Natl. Acad. Sci. U.S.A. 108(29), 11784–11789 (2011).
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N. J. Halas, S. Lal, W. S. Chang, S. Link, and P. Nordlander, “Plasmons in strongly coupled metallic nanostructures,” Chem. Rev. 111(6), 3913–3961 (2011).
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Oh, S. H.

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Y. Shen, J. Zhou, T. Liu, Y. Tao, R. Jiang, M. Liu, G. Xiao, J. Zhu, Z. K. Zhou, X. Wang, C. Jin, and J. Wang, “Plasmonic gold mushroom arrays with refractive index sensing figures of merit approaching the theoretical limit,” Nat. Commun. 4, 2381 (2013).
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L. J. Sherry, S. H. Chang, G. C. Schatz, R. P. Van Duyne, B. J. Wiley, and Y. Xia, “Localized surface plasmon resonance spectroscopy of single silver nanocubes,” Nano Lett. 5(10), 2034–2038 (2005).
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T. Liu, Y. Shen, W. Shin, Q. Zhu, S. Fan, and C. Jin, “Dislocated double-layer metal gratings: an efficient unidirectional coupler,” Nano Lett. 14(7), 3848–3854 (2014).
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J. B. Lassiter, H. Sobhani, J. A. Fan, J. Kundu, F. Capasso, P. Nordlander, and N. J. Halas, “Fano resonances in plasmonic nanoclusters: geometrical and chemical tunability,” Nano Lett. 10(8), 3184–3189 (2010).
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J. Becker, A. Trugler, A. Jakab, U. Hohenester, and C. Sonnichsen, “The Optimal Aspect Ratio of Gold Nanorods for Plasmonic Bio-sensing,” Plasmonics 5(2), 161–167 (2010).
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B. Stein, J. Y. Laluet, E. Devaux, C. Genet, and T. W. Ebbesen, “Fano Resonances and Leakage Radiation for High-Resolution Plasmonic Sensing,” J. Phys. Chem. C 116(10), 6092–6096 (2012).
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Sutherland, D. S.

T. Rindzevicius, Y. Alaverdyan, A. Dahlin, F. Höök, D. S. Sutherland, and M. Käll, “Plasmonic Sensing Characteristics of Single Nanometric Holes,” Nano Lett. 5(11), 2335–2339 (2005).
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Tabata, H.

Y. L. Ho, A. Portela, Y. Lee, E. Maeda, H. Tabata, and J. J. Delaunay, “Hollow Plasmonic U-Cavities with High-Aspect-Ratio Nanofins Sustaining Strong Optical Vortices for Light Trapping and Sensing,” Adv. Opt. Mater. 2(6), 522–528 (2014).
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Tao, Y.

Y. Shen, J. Zhou, T. Liu, Y. Tao, R. Jiang, M. Liu, G. Xiao, J. Zhu, Z. K. Zhou, X. Wang, C. Jin, and J. Wang, “Plasmonic gold mushroom arrays with refractive index sensing figures of merit approaching the theoretical limit,” Nat. Commun. 4, 2381 (2013).
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R. Taubert, R. Ameling, T. Weiss, A. Christ, and H. Giessen, “From near-field to far-field coupling in the third dimension: retarded interaction of particle plasmons,” Nano Lett. 11(10), 4421–4424 (2011).
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Tetz, K. A.

Thio, T.

T. W. Ebbesen, H. J. Lezec, H. F. Ghaemi, T. Thio, and P. A. Wolff, “Extraordinary optical transmission through sub-wavelength hole arrays,” Nature 391(6668), 667–669 (1998).
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H. Ghaemi, T. Thio, D. Grupp, T. Ebbesen, and H. Lezec, “Surface plasmons enhance optical transmission through subwavelength holes,” Phys. Rev. B 58(11), 6779–6782 (1998).
[Crossref]

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A. Christ, O. J. F. Martin, Y. Ekinci, N. A. Gippius, and S. G. Tikhodeev, “Symmetry breaking in a plasmonic metamaterial at optical wavelength,” Nano Lett. 8(8), 2171–2175 (2008).
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L. Tong, H. Wei, S. Zhang, and H. Xu, “Recent advances in plasmonic sensors,” Sensors (Basel) 14(5), 7959–7973 (2014).
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J. Becker, A. Trugler, A. Jakab, U. Hohenester, and C. Sonnichsen, “The Optimal Aspect Ratio of Gold Nanorods for Plasmonic Bio-sensing,” Plasmonics 5(2), 161–167 (2010).
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J. Li, J. Ye, C. Chen, L. Hermans, N. Verellen, J. Ryken, H. Jans, W. Van Roy, V. V. Moshchalkov, L. Lagae, and P. Van Dorpe, “Biosensing Using Diffractively Coupled Plasmonic Crystals: the Figure of Merit Revisited,” Adv. Opt. Mater. 3(2), 176–181 (2015).
[Crossref]

K. Lodewijks, W. Van Roy, G. Borghs, L. Lagae, and P. Van Dorpe, “Boosting the figure-of-merit of LSPR-based refractive index sensing by phase-sensitive measurements,” Nano Lett. 12(3), 1655–1659 (2012).
[Crossref] [PubMed]

N. Verellen, P. Van Dorpe, C. Huang, K. Lodewijks, G. A. E. Vandenbosch, L. Lagae, and V. V. Moshchalkov, “Plasmon Line Shaping Using Nanocrosses for High Sensitivity Localized Surface Plasmon Resonance Sensing,” Nano Lett. 11(2), 391–397 (2011).
[Crossref] [PubMed]

Van Duyne, R. P.

L. J. Sherry, S. H. Chang, G. C. Schatz, R. P. Van Duyne, B. J. Wiley, and Y. Xia, “Localized surface plasmon resonance spectroscopy of single silver nanocubes,” Nano Lett. 5(10), 2034–2038 (2005).
[Crossref] [PubMed]

Van Roy, W.

J. Li, J. Ye, C. Chen, L. Hermans, N. Verellen, J. Ryken, H. Jans, W. Van Roy, V. V. Moshchalkov, L. Lagae, and P. Van Dorpe, “Biosensing Using Diffractively Coupled Plasmonic Crystals: the Figure of Merit Revisited,” Adv. Opt. Mater. 3(2), 176–181 (2015).
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K. Lodewijks, W. Van Roy, G. Borghs, L. Lagae, and P. Van Dorpe, “Boosting the figure-of-merit of LSPR-based refractive index sensing by phase-sensitive measurements,” Nano Lett. 12(3), 1655–1659 (2012).
[Crossref] [PubMed]

Vandenbosch, G. A. E.

N. Verellen, P. Van Dorpe, C. Huang, K. Lodewijks, G. A. E. Vandenbosch, L. Lagae, and V. V. Moshchalkov, “Plasmon Line Shaping Using Nanocrosses for High Sensitivity Localized Surface Plasmon Resonance Sensing,” Nano Lett. 11(2), 391–397 (2011).
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Verellen, N.

J. Li, J. Ye, C. Chen, L. Hermans, N. Verellen, J. Ryken, H. Jans, W. Van Roy, V. V. Moshchalkov, L. Lagae, and P. Van Dorpe, “Biosensing Using Diffractively Coupled Plasmonic Crystals: the Figure of Merit Revisited,” Adv. Opt. Mater. 3(2), 176–181 (2015).
[Crossref]

N. Verellen, P. Van Dorpe, C. Huang, K. Lodewijks, G. A. E. Vandenbosch, L. Lagae, and V. V. Moshchalkov, “Plasmon Line Shaping Using Nanocrosses for High Sensitivity Localized Surface Plasmon Resonance Sensing,” Nano Lett. 11(2), 391–397 (2011).
[Crossref] [PubMed]

Wang, H.

H. Wang, D. W. Brandl, F. Le, P. Nordlander, and N. J. Halas, “Nanorice: a hybrid plasmonic nanostructure,” Nano Lett. 6(4), 827–832 (2006).
[Crossref] [PubMed]

Wang, J.

Y. Shen, J. Zhou, T. Liu, Y. Tao, R. Jiang, M. Liu, G. Xiao, J. Zhu, Z. K. Zhou, X. Wang, C. Jin, and J. Wang, “Plasmonic gold mushroom arrays with refractive index sensing figures of merit approaching the theoretical limit,” Nat. Commun. 4, 2381 (2013).
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Y. Shen, J. Zhou, T. Liu, Y. Tao, R. Jiang, M. Liu, G. Xiao, J. Zhu, Z. K. Zhou, X. Wang, C. Jin, and J. Wang, “Plasmonic gold mushroom arrays with refractive index sensing figures of merit approaching the theoretical limit,” Nat. Commun. 4, 2381 (2013).
[Crossref] [PubMed]

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L. Tong, H. Wei, S. Zhang, and H. Xu, “Recent advances in plasmonic sensors,” Sensors (Basel) 14(5), 7959–7973 (2014).
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R. Taubert, R. Ameling, T. Weiss, A. Christ, and H. Giessen, “From near-field to far-field coupling in the third dimension: retarded interaction of particle plasmons,” Nano Lett. 11(10), 4421–4424 (2011).
[Crossref] [PubMed]

N. Liu, M. Mesch, T. Weiss, M. Hentschel, and H. Giessen, “Infrared Perfect Absorber and Its Application As Plasmonic Sensor,” Nano Lett. 10(7), 2342–2348 (2010).
[Crossref] [PubMed]

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L. J. Sherry, S. H. Chang, G. C. Schatz, R. P. Van Duyne, B. J. Wiley, and Y. Xia, “Localized surface plasmon resonance spectroscopy of single silver nanocubes,” Nano Lett. 5(10), 2034–2038 (2005).
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Wolff, P. A.

T. W. Ebbesen, H. J. Lezec, H. F. Ghaemi, T. Thio, and P. A. Wolff, “Extraordinary optical transmission through sub-wavelength hole arrays,” Nature 391(6668), 667–669 (1998).
[Crossref]

Wurtz, G. A.

A. V. Kabashin, P. Evans, S. Pastkovsky, W. Hendren, G. A. Wurtz, R. Atkinson, R. Pollard, V. A. Podolskiy, and A. V. Zayats, “Plasmonic nanorod metamaterials for biosensing,” Nat. Mater. 8(11), 867–871 (2009).
[Crossref] [PubMed]

Xia, Y.

L. J. Sherry, S. H. Chang, G. C. Schatz, R. P. Van Duyne, B. J. Wiley, and Y. Xia, “Localized surface plasmon resonance spectroscopy of single silver nanocubes,” Nano Lett. 5(10), 2034–2038 (2005).
[Crossref] [PubMed]

Xiao, G.

Y. Shen, J. Zhou, T. Liu, Y. Tao, R. Jiang, M. Liu, G. Xiao, J. Zhu, Z. K. Zhou, X. Wang, C. Jin, and J. Wang, “Plasmonic gold mushroom arrays with refractive index sensing figures of merit approaching the theoretical limit,” Nat. Commun. 4, 2381 (2013).
[Crossref] [PubMed]

Xin, Z.

Y. Gao, Z. Xin, B. Zeng, Q. Gan, X. Cheng, and F. J. Bartoli, “Plasmonic interferometric sensor arrays for high-performance label-free biomolecular detection,” Lab Chip 13(24), 4755–4764 (2013).
[Crossref] [PubMed]

Xu, H.

L. Tong, H. Wei, S. Zhang, and H. Xu, “Recent advances in plasmonic sensors,” Sensors (Basel) 14(5), 7959–7973 (2014).
[Crossref] [PubMed]

Yanik, A. A.

A. A. Yanik, A. E. Cetin, M. Huang, A. Artar, S. H. Mousavi, A. Khanikaev, J. H. Connor, G. Shvets, and H. Altug, “Seeing protein monolayers with naked eye through plasmonic Fano resonances,” Proc. Natl. Acad. Sci. U.S.A. 108(29), 11784–11789 (2011).
[Crossref] [PubMed]

Ye, J.

J. Li, J. Ye, C. Chen, L. Hermans, N. Verellen, J. Ryken, H. Jans, W. Van Roy, V. V. Moshchalkov, L. Lagae, and P. Van Dorpe, “Biosensing Using Diffractively Coupled Plasmonic Crystals: the Figure of Merit Revisited,” Adv. Opt. Mater. 3(2), 176–181 (2015).
[Crossref]

Yee, S. S.

L. S. Jung, C. T. Campbell, T. M. Chinowsky, M. N. Mar, and S. S. Yee, “Quantitative Interpretation of the Response of Surface Plasmon Resonance Sensors to Adsorbed Films,” Langmuir 14(19), 5636–5648 (1998).
[Crossref]

Yoo, D.

A. Barik, L. M. Otto, D. Yoo, J. Jose, T. W. Johnson, and S. H. Oh, “Dielectrophoresis-Enhanced Plasmonic Sensing with Gold Nanohole arrays,” Nano Lett. 14(4), 2006–2012 (2014).
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Zayats, A. V.

A. V. Kabashin, P. Evans, S. Pastkovsky, W. Hendren, G. A. Wurtz, R. Atkinson, R. Pollard, V. A. Podolskiy, and A. V. Zayats, “Plasmonic nanorod metamaterials for biosensing,” Nat. Mater. 8(11), 867–871 (2009).
[Crossref] [PubMed]

Zeng, B.

B. Zeng, Y. Gao, and F. J. Bartoli, “Differentiating surface and bulk interactions in nanoplasmonic interferometric sensor arrays,” Nanoscale 7(1), 166–170 (2015).
[Crossref] [PubMed]

Y. Gao, Z. Xin, B. Zeng, Q. Gan, X. Cheng, and F. J. Bartoli, “Plasmonic interferometric sensor arrays for high-performance label-free biomolecular detection,” Lab Chip 13(24), 4755–4764 (2013).
[Crossref] [PubMed]

Zeng, B. B.

B. B. Zeng, Y. K. Gao, and F. J. Bartoli, “Rapid and highly sensitive detection using Fano resonances in ultrathin plasmonic nanogratings,” Appl. Phys. Lett. 105(16), 161106 (2014).
[Crossref]

Zhang, C.

J. Zhao, C. Zhang, P. V. Braun, and H. Giessen, “Large-area low-cost plasmonic nanostructures in the NIR for Fano resonant sensing,” Adv. Mater. 24(35), OP247–OP252 (2012).
[Crossref] [PubMed]

Zhang, S.

L. Tong, H. Wei, S. Zhang, and H. Xu, “Recent advances in plasmonic sensors,” Sensors (Basel) 14(5), 7959–7973 (2014).
[Crossref] [PubMed]

Zhao, J.

J. Zhao, C. Zhang, P. V. Braun, and H. Giessen, “Large-area low-cost plasmonic nanostructures in the NIR for Fano resonant sensing,” Adv. Mater. 24(35), OP247–OP252 (2012).
[Crossref] [PubMed]

Zhou, J.

Y. Shen, J. Zhou, T. Liu, Y. Tao, R. Jiang, M. Liu, G. Xiao, J. Zhu, Z. K. Zhou, X. Wang, C. Jin, and J. Wang, “Plasmonic gold mushroom arrays with refractive index sensing figures of merit approaching the theoretical limit,” Nat. Commun. 4, 2381 (2013).
[Crossref] [PubMed]

Zhou, W.

W. Zhou and T. W. Odom, “Tunable subradiant lattice plasmons by out-of-plane dipolar interactions,” Nat. Nanotechnol. 6(7), 423–427 (2011).
[Crossref] [PubMed]

Zhou, Z. K.

Y. Shen, J. Zhou, T. Liu, Y. Tao, R. Jiang, M. Liu, G. Xiao, J. Zhu, Z. K. Zhou, X. Wang, C. Jin, and J. Wang, “Plasmonic gold mushroom arrays with refractive index sensing figures of merit approaching the theoretical limit,” Nat. Commun. 4, 2381 (2013).
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Zhu, J.

Y. Shen, J. Zhou, T. Liu, Y. Tao, R. Jiang, M. Liu, G. Xiao, J. Zhu, Z. K. Zhou, X. Wang, C. Jin, and J. Wang, “Plasmonic gold mushroom arrays with refractive index sensing figures of merit approaching the theoretical limit,” Nat. Commun. 4, 2381 (2013).
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Zhu, Q.

T. Liu, Y. Shen, W. Shin, Q. Zhu, S. Fan, and C. Jin, “Dislocated double-layer metal gratings: an efficient unidirectional coupler,” Nano Lett. 14(7), 3848–3854 (2014).
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ACS Nano (2)

I. M. Pryce, Y. A. Kelaita, K. Aydin, and H. A. Atwater, “Compliant Metamaterials for Resonantly Enhanced Infrared Absorption Spectroscopy and Refractive Index Sensing,” ACS Nano 5(10), 8167–8174 (2011).
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B. Päivänranta, H. Merbold, R. Giannini, L. Büchi, S. Gorelick, C. David, J. F. Löffler, T. Feurer, and Y. Ekinci, “High Aspect Ratio Plasmonic Nanostructures for Sensing Applications,” ACS Nano 5(8), 6374–6382 (2011).
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Adv. Mater. (1)

J. Zhao, C. Zhang, P. V. Braun, and H. Giessen, “Large-area low-cost plasmonic nanostructures in the NIR for Fano resonant sensing,” Adv. Mater. 24(35), OP247–OP252 (2012).
[Crossref] [PubMed]

Adv. Opt. Mater. (2)

Y. L. Ho, A. Portela, Y. Lee, E. Maeda, H. Tabata, and J. J. Delaunay, “Hollow Plasmonic U-Cavities with High-Aspect-Ratio Nanofins Sustaining Strong Optical Vortices for Light Trapping and Sensing,” Adv. Opt. Mater. 2(6), 522–528 (2014).
[Crossref]

J. Li, J. Ye, C. Chen, L. Hermans, N. Verellen, J. Ryken, H. Jans, W. Van Roy, V. V. Moshchalkov, L. Lagae, and P. Van Dorpe, “Biosensing Using Diffractively Coupled Plasmonic Crystals: the Figure of Merit Revisited,” Adv. Opt. Mater. 3(2), 176–181 (2015).
[Crossref]

Appl. Phys. Lett. (4)

R. Ameling, L. Langguth, M. Hentschel, M. Mesch, P. V. Braun, and H. Giessen, “Cavity-enhanced localized plasmon resonance sensing,” Appl. Phys. Lett. 97(25), 253116 (2010).
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B. Stein, E. Devaux, C. Genet, and T. W. Ebbesen, “Plasmonic crystal enhanced refractive index sensing,” Appl. Phys. Lett. 104(25), 251111 (2014).
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S. N. Burokur, A. Sellier, B. Kante, and A. de Lustrac, “Symmetry breaking in metallic cut wire pairs metamaterials for negative refractive index,” Appl. Phys. Lett. 94(20), 201111 (2009).
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B. B. Zeng, Y. K. Gao, and F. J. Bartoli, “Rapid and highly sensitive detection using Fano resonances in ultrathin plasmonic nanogratings,” Appl. Phys. Lett. 105(16), 161106 (2014).
[Crossref]

Chem. Rev. (3)

K. M. Mayer and J. H. Hafner, “Localized surface plasmon resonance sensors,” Chem. Rev. 111(6), 3828–3857 (2011).
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J. Homola, “Surface plasmon resonance sensors for detection of chemical and biological species,” Chem. Rev. 108(2), 462–493 (2008).
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N. J. Halas, S. Lal, W. S. Chang, S. Link, and P. Nordlander, “Plasmons in strongly coupled metallic nanostructures,” Chem. Rev. 111(6), 3913–3961 (2011).
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J. Phys. Chem. C (1)

B. Stein, J. Y. Laluet, E. Devaux, C. Genet, and T. W. Ebbesen, “Fano Resonances and Leakage Radiation for High-Resolution Plasmonic Sensing,” J. Phys. Chem. C 116(10), 6092–6096 (2012).
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Lab Chip (1)

Y. Gao, Z. Xin, B. Zeng, Q. Gan, X. Cheng, and F. J. Bartoli, “Plasmonic interferometric sensor arrays for high-performance label-free biomolecular detection,” Lab Chip 13(24), 4755–4764 (2013).
[Crossref] [PubMed]

Langmuir (1)

L. S. Jung, C. T. Campbell, T. M. Chinowsky, M. N. Mar, and S. S. Yee, “Quantitative Interpretation of the Response of Surface Plasmon Resonance Sensors to Adsorbed Films,” Langmuir 14(19), 5636–5648 (1998).
[Crossref]

Nano Lett. (13)

T. Rindzevicius, Y. Alaverdyan, A. Dahlin, F. Höök, D. S. Sutherland, and M. Käll, “Plasmonic Sensing Characteristics of Single Nanometric Holes,” Nano Lett. 5(11), 2335–2339 (2005).
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N. Liu, M. Mesch, T. Weiss, M. Hentschel, and H. Giessen, “Infrared Perfect Absorber and Its Application As Plasmonic Sensor,” Nano Lett. 10(7), 2342–2348 (2010).
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A. Cattoni, P. Ghenuche, A. M. Haghiri-Gosnet, D. Decanini, J. Chen, J. L. Pelouard, and S. Collin, “λ(3)/1000 plasmonic nanocavities for biosensing fabricated by soft UV nanoimprint lithography,” Nano Lett. 11(9), 3557–3563 (2011).
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J. B. Lassiter, H. Sobhani, J. A. Fan, J. Kundu, F. Capasso, P. Nordlander, and N. J. Halas, “Fano resonances in plasmonic nanoclusters: geometrical and chemical tunability,” Nano Lett. 10(8), 3184–3189 (2010).
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N. Verellen, P. Van Dorpe, C. Huang, K. Lodewijks, G. A. E. Vandenbosch, L. Lagae, and V. V. Moshchalkov, “Plasmon Line Shaping Using Nanocrosses for High Sensitivity Localized Surface Plasmon Resonance Sensing,” Nano Lett. 11(2), 391–397 (2011).
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H. Wang, D. W. Brandl, F. Le, P. Nordlander, and N. J. Halas, “Nanorice: a hybrid plasmonic nanostructure,” Nano Lett. 6(4), 827–832 (2006).
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L. J. Sherry, S. H. Chang, G. C. Schatz, R. P. Van Duyne, B. J. Wiley, and Y. Xia, “Localized surface plasmon resonance spectroscopy of single silver nanocubes,” Nano Lett. 5(10), 2034–2038 (2005).
[Crossref] [PubMed]

W. Kubo and S. Fujikawa, “Au double nanopillars with nanogap for plasmonic sensor,” Nano Lett. 11(1), 8–15 (2011).
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K. Lodewijks, W. Van Roy, G. Borghs, L. Lagae, and P. Van Dorpe, “Boosting the figure-of-merit of LSPR-based refractive index sensing by phase-sensitive measurements,” Nano Lett. 12(3), 1655–1659 (2012).
[Crossref] [PubMed]

A. Barik, L. M. Otto, D. Yoo, J. Jose, T. W. Johnson, and S. H. Oh, “Dielectrophoresis-Enhanced Plasmonic Sensing with Gold Nanohole arrays,” Nano Lett. 14(4), 2006–2012 (2014).
[Crossref] [PubMed]

A. Christ, O. J. F. Martin, Y. Ekinci, N. A. Gippius, and S. G. Tikhodeev, “Symmetry breaking in a plasmonic metamaterial at optical wavelength,” Nano Lett. 8(8), 2171–2175 (2008).
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R. Taubert, R. Ameling, T. Weiss, A. Christ, and H. Giessen, “From near-field to far-field coupling in the third dimension: retarded interaction of particle plasmons,” Nano Lett. 11(10), 4421–4424 (2011).
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T. Liu, Y. Shen, W. Shin, Q. Zhu, S. Fan, and C. Jin, “Dislocated double-layer metal gratings: an efficient unidirectional coupler,” Nano Lett. 14(7), 3848–3854 (2014).
[Crossref] [PubMed]

Nanoscale (1)

B. Zeng, Y. Gao, and F. J. Bartoli, “Differentiating surface and bulk interactions in nanoplasmonic interferometric sensor arrays,” Nanoscale 7(1), 166–170 (2015).
[Crossref] [PubMed]

Nat. Commun. (1)

Y. Shen, J. Zhou, T. Liu, Y. Tao, R. Jiang, M. Liu, G. Xiao, J. Zhu, Z. K. Zhou, X. Wang, C. Jin, and J. Wang, “Plasmonic gold mushroom arrays with refractive index sensing figures of merit approaching the theoretical limit,” Nat. Commun. 4, 2381 (2013).
[Crossref] [PubMed]

Nat. Mater. (1)

A. V. Kabashin, P. Evans, S. Pastkovsky, W. Hendren, G. A. Wurtz, R. Atkinson, R. Pollard, V. A. Podolskiy, and A. V. Zayats, “Plasmonic nanorod metamaterials for biosensing,” Nat. Mater. 8(11), 867–871 (2009).
[Crossref] [PubMed]

Nat. Nanotechnol. (1)

W. Zhou and T. W. Odom, “Tunable subradiant lattice plasmons by out-of-plane dipolar interactions,” Nat. Nanotechnol. 6(7), 423–427 (2011).
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Nature (2)

T. W. Ebbesen, H. J. Lezec, H. F. Ghaemi, T. Thio, and P. A. Wolff, “Extraordinary optical transmission through sub-wavelength hole arrays,” Nature 391(6668), 667–669 (1998).
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W. L. Barnes, A. Dereux, and T. W. Ebbesen, “Surface plasmon subwavelength optics,” Nature 424(6950), 824–830 (2003).
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Opt. Express (1)

Opt. Lett. (1)

Phys. Rev. B (1)

H. Ghaemi, T. Thio, D. Grupp, T. Ebbesen, and H. Lezec, “Surface plasmons enhance optical transmission through subwavelength holes,” Phys. Rev. B 58(11), 6779–6782 (1998).
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Phys. Rev. Lett. (1)

V. G. Kravets, F. Schedin, and A. N. Grigorenko, “Extremely narrow plasmon resonances based on diffraction coupling of localized plasmons in arrays of metallic nanoparticles,” Phys. Rev. Lett. 101(8), 087403 (2008).
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Plasmonics (1)

J. Becker, A. Trugler, A. Jakab, U. Hohenester, and C. Sonnichsen, “The Optimal Aspect Ratio of Gold Nanorods for Plasmonic Bio-sensing,” Plasmonics 5(2), 161–167 (2010).
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Proc. Natl. Acad. Sci. U.S.A. (1)

A. A. Yanik, A. E. Cetin, M. Huang, A. Artar, S. H. Mousavi, A. Khanikaev, J. H. Connor, G. Shvets, and H. Altug, “Seeing protein monolayers with naked eye through plasmonic Fano resonances,” Proc. Natl. Acad. Sci. U.S.A. 108(29), 11784–11789 (2011).
[Crossref] [PubMed]

Sci Rep (1)

A. F. Coskun, A. E. Cetin, B. C. Galarreta, D. A. Alvarez, H. Altug, and A. Ozcan, “Lensfree optofluidic plasmonic sensor for real-time and label-free monitoring of. molecular binding events over a wide field-of-view,” Sci Rep 4, 6789 (2014).
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Sensors (Basel) (1)

L. Tong, H. Wei, S. Zhang, and H. Xu, “Recent advances in plasmonic sensors,” Sensors (Basel) 14(5), 7959–7973 (2014).
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Other (1)

H. Raether, Surface Plasmons on Smooth and Rough Surfaces and on Gratings (Springer, 1988); Springer Tracts Mod. Phys. 111.

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Figures (4)

Fig. 1
Fig. 1 Width- and height-modulated reflectance spectra of the DMG in water and the involved electric field intensity distributions. (a) Schematic of a DMG, which can be described by the following geometric parameters: lattice constant a, dielectric grating height h, width of the top gold stripe w and thickness of the gold layer t. (b) Width-modulated reflectance spectra of the DMGs (a = 600 nm, h = 465 nm and t = 100 nm). The vertical dashed lines denote WAs of water/substrate and the SPP(−1) in gold-PMMA interface, respectively. The horizontal black dashed lines indicate the gratings with the top gold stripe widths of 200 nm and 400 nm, respectively. (c) Height-modulated reflectance spectra of the DMGs (a = 600 nm, w = 210 nm and t = 100 nm). The vertical dashed lines denote the WA in water and the SPP at the gold-substrate interface, respectively. (d) Electric field intensity distributions at pointsI,II,III,IV,Vand VI respectively, as defined in b.
Fig. 2
Fig. 2 DMGs. (a) Schematic showing the fabrication procedure of DMGs. (b) Set-up for two-beam interference lithography. (c,d) Top-view and cross-sectional SEM images of a DMG (a = 600 nm, h = 465 nm, w = 210 nm and t = 100 nm).
Fig. 3
Fig. 3 Reflectance at normal incidence in air and water. (a) Reflectance spectra of the DMG (a = 600 nm, h = 465 nm, w = 210 nm and t = 100 nm) in air. (b) Reflectance spectra of the same sample in water. The black and red solid curves indicate the measured and simulated results, respectively.
Fig. 4
Fig. 4 Refractive index sensing using the DMG. (a) and (d) Measured and simulated reflectance spectra of the DMG immersed in glycerol–water mixture solutions with varying compositions at normal incidence, respectively. (b) and (e) Relationships between the wavelengths of dips (D1(red), D2(green) and D3 (black)) and the refractive indices obtained from the measured and simulated data, respectively. (c) and (f) FOM*s of the DMG in the various solutions with different refractive indices calculated according to the measured and simulated results, respectively. The sizes of the DMG are a = 600 nm, h = 465 nm, w = 210 nm and t = 100 nm.

Equations (6)

Equations on this page are rendered with MathJax. Learn more.

k 0 sinθ±i G x = k mode
| k SPP |=| k 0 | ε m ε d ε m + ε d
| k WA |=| k 0 | ε d
FOM*= | dI( λ ) I( λ ) dn | max
E i (z)= E i (0) e z/ l d
Δλ=m×( n adsorbate n medium )×(1 e 2d l d )

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