Abstract

The plasmon resonance and electric field enhancement in a side-by-side tangent nanospheroid homodimer (TNSHD) have been investigated theoretically by using DDA and FDTD methods, respectively. The simulation results indicate that this side-by-side TNSHD has its novel optical properties. We find that the plasmon resonance with a distinct Fano lineshape can be achieved and the electric field intensity can be enhanced strongly. The tunability of the Fano resonance could provide important applications in biosensing. The obtained electric field enhancement might open a promising pathway for surface-enhanced Raman scattering (SERS) and light trapping in solar cells.

© 2013 OSA

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2012 (6)

M. Kruszynska, H. Borchert, A. Bachmatiuk, M. H. Rümmeli, B. Büchner, J. Parisi, and J. Kolny-Olesiak, “Size and shape control of colloidal copper(I) sulfide nanorods,” ACS Nano6(7), 5889–5896 (2012).
[CrossRef] [PubMed]

D. E. Gómez, A. Roberts, T. J. Davis, and K. C. Vernon, “Surface plasmon hybridization and exciton coupling,” Phys. Rev. B86(3), 035411 (2012).
[CrossRef]

A. Lee, A. Ahmed, D. P. dos Santos, N. Coombs, J. I. Park, R. Gordon, A. G. Brolo, and E. Kumacheva, “Side-by-side assembly of gold nanorods reduces ensemble-averaged SERS intensity,” J. Phys. Chem. C116(9), 5538–5545 (2012).
[CrossRef]

Y. C. Chang, S. M. Wang, H. C. Chung, C. B. Tseng, and S. H. Chang, “Observation of absorption-dominated bonding dark plasmon mode from metal-insulator-metal nanodisk arrays fabricated by nanospherical-lens lithography,” ACS Nano6(4), 3390–3396 (2012).
[CrossRef] [PubMed]

W. S. Chang, J. B. Lassiter, P. Swanglap, H. Sobhani, S. Khatua, P. Nordlander, N. J. Halas, and S. Link, “A plasmonic fano switch,” Nano Lett.12(9), 4977–4982 (2012).
[CrossRef] [PubMed]

R. B. Dunbar, T. Pfadler, and L. Schmidt-Mende, “Highly absorbing solar cells--a survey of plasmonic nanostructures,” Opt. Express20(S2Suppl 2), A177–A189 (2012).
[CrossRef] [PubMed]

2011 (8)

B. Willingham and S. Link, “Energy transport in metal nanoparticle chains via sub-radiant plasmon modes,” Opt. Express19(7), 6450–6461 (2011).
[CrossRef] [PubMed]

S. H. Yeom, O. G. Kim, B. H. Kang, K. J. Kim, H. Yuan, D. H. Kwon, H. R. Kim, and S. W. Kang, “Highly sensitive nano-porous lattice biosensor based on localized surface plasmon resonance and interference,” Opt. Express19(23), 22882–22891 (2011).
[CrossRef] [PubMed]

B. Auguié, J. L. Alonso-Gómez, A. Guerrero-Martínez, and L. M. Liz-Marzán, “Fingers crossed: optical activity of a chiral dimer of plasmonic nanorods,” J. Phys. Chem. Lett.2(8), 846–851 (2011).
[CrossRef]

A. Artar, A. A. Yanik, and H. Altug, “Directional double Fano resonances in plasmonic hetero-oligomers,” Nano Lett.11(9), 3694–3700 (2011).
[CrossRef] [PubMed]

S. P. Zhang, K. Bao, N. J. Halas, H. X. Xu, and P. Nordlander, “Substrate-induced fano resonances of a plasmonic nanocube: a route to increased-sensitivity localized surface plasmon resonance sensors revealed,” Nano Lett.11(4), 1657–1663 (2011).
[CrossRef] [PubMed]

M. Rycenga, C. M. Cobley, J. Zeng, W. Y. Li, C. H. Moran, Q. Zhang, D. Qin, and Y. N. Xia, “Controlling the synthesis and assembly of silver nanostructures for plasmonic applications,” Chem. Rev.111(6), 3669–3712 (2011).
[CrossRef] [PubMed]

K. C. Woo, L. Shao, H. J. Chen, Y. Liang, J. F. Wang, and H. Q. Lin, “Universal scaling and fano resonance in the plasmon coupling between gold nanorods,” ACS Nano5(7), 5976–5986 (2011).
[CrossRef] [PubMed]

A. McLeod, A. Weber-Bargioni, Z. Zhang, S. Dhuey, B. Harteneck, J. B. Neaton, S. Cabrini, and P. J. Schuck, “Nonperturbative visualization of nanoscale plasmonic field distributions via photon localization microscopy,” Phys. Rev. Lett.106(3), 037402 (2011).
[CrossRef] [PubMed]

2010 (6)

N. A. Hatab, C. H. Hsueh, A. L. Gaddis, S. T. Retterer, J. H. Li, G. Eres, Z. Y. Zhang, and B. H. Gu, “Free-standing optical gold bowtie nanoantenna with variable gap size for enhanced Raman spectroscopy,” Nano Lett.10(12), 4952–4955 (2010).
[CrossRef] [PubMed]

L. Shao, K. C. Woo, H. J. Chen, Z. Jin, J. F. Wang, and H. Q. Lin, “Angle- and energy-resolved plasmon coupling in gold nanorod dimers,” ACS Nano4(6), 3053–3062 (2010).
[CrossRef] [PubMed]

H. A. Atwater and A. Polman, “Plasmonics for improved photovoltaic devices,” Nat. Mater.9(3), 205–213 (2010).
[CrossRef] [PubMed]

C. Liusman, S. Z. Li, X. D. Chen, W. Wei, H. Zhang, G. C. Schatz, F. Boey, and C. A. Mirkin, “Free-standing bimetallic nanorings and nanoring arrays made by on-wire lithography,” ACS Nano4(12), 7676–7682 (2010).
[CrossRef] [PubMed]

J. A. Fan, C. Wu, K. Bao, J. Bao, R. Bardhan, N. J. Halas, V. N. Manoharan, P. Nordlander, G. Shvets, and F. Capasso, “Self-assembled plasmonic nanoparticle clusters,” Science328(5982), 1135–1138 (2010).
[CrossRef] [PubMed]

V. Amendola, O. M. Bakr, and F. Stellacci, “A study of the surface plasmon resonance of silver nanoparticles by the discrete dipole approximation method: effect of shape, size, structure, and assembly,” Plasmonics5(1), 85–97 (2010).
[CrossRef]

2009 (2)

C. Tabor, D. Van Haute, and M. A. El-Sayed, “Effect of orientation on plasmonic coupling between gold nanorods,” ACS Nano3(11), 3670–3678 (2009).
[CrossRef] [PubMed]

A. M. Funston, C. Novo, T. J. Davis, and P. Mulvaney, “Plasmon coupling of gold nanorods at short distances and in different geometries,” Nano Lett.9(4), 1651–1658 (2009).
[CrossRef] [PubMed]

2008 (3)

T. Deng, J. R. Cournoyer, J. H. Schermerhorn, J. Balch, Y. Du, and M. L. Blohm, “Generation and assembly of spheroid-like particles,” J. Am. Chem. Soc.130(44), 14396–14397 (2008).
[CrossRef] [PubMed]

J. B. Lassiter, J. Aizpurua, L. I. Hernandez, D. W. Brandl, I. Romero, S. Lal, J. H. Hafner, P. Nordlander, and N. J. Halas, “Close encounters between two nanoshells,” Nano Lett.8(4), 1212–1218 (2008).
[CrossRef] [PubMed]

V. Myroshnychenko, J. Rodríguez-Fernández, I. Pastoriza-Santos, A. M. Funston, C. Novo, P. Mulvaney, L. M. Liz-Marzán, and F. J. García de Abajo, “Modelling the optical response of gold nanoparticles,” Chem. Soc. Rev.37(9), 1792–1805 (2008).
[CrossRef] [PubMed]

2007 (1)

M. Danckwerts and L. Novotny, “Optical frequency mixing at coupled gold nanoparticles,” Phys. Rev. Lett.98(2), 026104 (2007).
[CrossRef] [PubMed]

2006 (2)

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]

P. K. Jain, S. Eustis, and M. A. El-Sayed, “Plasmon coupling in nanorod assemblies: optical absorption, discrete dipole approximation simulation, and exciton-coupling model,” J. Phys. Chem. B110(37), 18243–18253 (2006).
[CrossRef] [PubMed]

2004 (1)

2003 (1)

W. L. Barnes, A. Dereux, and T. W. Ebbesen, “Surface plasmon subwavelength optics,” Nature424(6950), 824–830 (2003).
[CrossRef] [PubMed]

1998 (1)

B. Z. Packard, D. D. Toptygin, A. Komoriya, and L. Brand, “Intramolecular resonance dipole-dipole interactions in a profluorescent protease substrate,” J. Phys. Chem. B102(4), 752–758 (1998).
[CrossRef]

1965 (1)

M. Kasha, H. R. Rawls, and M. Ashraf El-Bayoumi, “The exciton model in molecular spectroscopy,” Pure Appl. Chem.11(3-4), 371–392 (1965).
[CrossRef]

Ahmed, A.

A. Lee, A. Ahmed, D. P. dos Santos, N. Coombs, J. I. Park, R. Gordon, A. G. Brolo, and E. Kumacheva, “Side-by-side assembly of gold nanorods reduces ensemble-averaged SERS intensity,” J. Phys. Chem. C116(9), 5538–5545 (2012).
[CrossRef]

Aizpurua, J.

J. B. Lassiter, J. Aizpurua, L. I. Hernandez, D. W. Brandl, I. Romero, S. Lal, J. H. Hafner, P. Nordlander, and N. J. Halas, “Close encounters between two nanoshells,” Nano Lett.8(4), 1212–1218 (2008).
[CrossRef] [PubMed]

Alonso-Gómez, J. L.

B. Auguié, J. L. Alonso-Gómez, A. Guerrero-Martínez, and L. M. Liz-Marzán, “Fingers crossed: optical activity of a chiral dimer of plasmonic nanorods,” J. Phys. Chem. Lett.2(8), 846–851 (2011).
[CrossRef]

Altug, H.

A. Artar, A. A. Yanik, and H. Altug, “Directional double Fano resonances in plasmonic hetero-oligomers,” Nano Lett.11(9), 3694–3700 (2011).
[CrossRef] [PubMed]

Amendola, V.

V. Amendola, O. M. Bakr, and F. Stellacci, “A study of the surface plasmon resonance of silver nanoparticles by the discrete dipole approximation method: effect of shape, size, structure, and assembly,” Plasmonics5(1), 85–97 (2010).
[CrossRef]

Artar, A.

A. Artar, A. A. Yanik, and H. Altug, “Directional double Fano resonances in plasmonic hetero-oligomers,” Nano Lett.11(9), 3694–3700 (2011).
[CrossRef] [PubMed]

Ashraf El-Bayoumi, M.

M. Kasha, H. R. Rawls, and M. Ashraf El-Bayoumi, “The exciton model in molecular spectroscopy,” Pure Appl. Chem.11(3-4), 371–392 (1965).
[CrossRef]

Atwater, H. A.

H. A. Atwater and A. Polman, “Plasmonics for improved photovoltaic devices,” Nat. Mater.9(3), 205–213 (2010).
[CrossRef] [PubMed]

Auguié, B.

B. Auguié, J. L. Alonso-Gómez, A. Guerrero-Martínez, and L. M. Liz-Marzán, “Fingers crossed: optical activity of a chiral dimer of plasmonic nanorods,” J. Phys. Chem. Lett.2(8), 846–851 (2011).
[CrossRef]

Bachmatiuk, A.

M. Kruszynska, H. Borchert, A. Bachmatiuk, M. H. Rümmeli, B. Büchner, J. Parisi, and J. Kolny-Olesiak, “Size and shape control of colloidal copper(I) sulfide nanorods,” ACS Nano6(7), 5889–5896 (2012).
[CrossRef] [PubMed]

Bakr, O. M.

V. Amendola, O. M. Bakr, and F. Stellacci, “A study of the surface plasmon resonance of silver nanoparticles by the discrete dipole approximation method: effect of shape, size, structure, and assembly,” Plasmonics5(1), 85–97 (2010).
[CrossRef]

Balch, J.

T. Deng, J. R. Cournoyer, J. H. Schermerhorn, J. Balch, Y. Du, and M. L. Blohm, “Generation and assembly of spheroid-like particles,” J. Am. Chem. Soc.130(44), 14396–14397 (2008).
[CrossRef] [PubMed]

Bao, J.

J. A. Fan, C. Wu, K. Bao, J. Bao, R. Bardhan, N. J. Halas, V. N. Manoharan, P. Nordlander, G. Shvets, and F. Capasso, “Self-assembled plasmonic nanoparticle clusters,” Science328(5982), 1135–1138 (2010).
[CrossRef] [PubMed]

Bao, K.

S. P. Zhang, K. Bao, N. J. Halas, H. X. Xu, and P. Nordlander, “Substrate-induced fano resonances of a plasmonic nanocube: a route to increased-sensitivity localized surface plasmon resonance sensors revealed,” Nano Lett.11(4), 1657–1663 (2011).
[CrossRef] [PubMed]

J. A. Fan, C. Wu, K. Bao, J. Bao, R. Bardhan, N. J. Halas, V. N. Manoharan, P. Nordlander, G. Shvets, and F. Capasso, “Self-assembled plasmonic nanoparticle clusters,” Science328(5982), 1135–1138 (2010).
[CrossRef] [PubMed]

Bardhan, R.

J. A. Fan, C. Wu, K. Bao, J. Bao, R. Bardhan, N. J. Halas, V. N. Manoharan, P. Nordlander, G. Shvets, and F. Capasso, “Self-assembled plasmonic nanoparticle clusters,” Science328(5982), 1135–1138 (2010).
[CrossRef] [PubMed]

Barnes, W. L.

W. L. Barnes, A. Dereux, and T. W. Ebbesen, “Surface plasmon subwavelength optics,” Nature424(6950), 824–830 (2003).
[CrossRef] [PubMed]

Blohm, M. L.

T. Deng, J. R. Cournoyer, J. H. Schermerhorn, J. Balch, Y. Du, and M. L. Blohm, “Generation and assembly of spheroid-like particles,” J. Am. Chem. Soc.130(44), 14396–14397 (2008).
[CrossRef] [PubMed]

Boey, F.

C. Liusman, S. Z. Li, X. D. Chen, W. Wei, H. Zhang, G. C. Schatz, F. Boey, and C. A. Mirkin, “Free-standing bimetallic nanorings and nanoring arrays made by on-wire lithography,” ACS Nano4(12), 7676–7682 (2010).
[CrossRef] [PubMed]

Borchert, H.

M. Kruszynska, H. Borchert, A. Bachmatiuk, M. H. Rümmeli, B. Büchner, J. Parisi, and J. Kolny-Olesiak, “Size and shape control of colloidal copper(I) sulfide nanorods,” ACS Nano6(7), 5889–5896 (2012).
[CrossRef] [PubMed]

Brand, L.

B. Z. Packard, D. D. Toptygin, A. Komoriya, and L. Brand, “Intramolecular resonance dipole-dipole interactions in a profluorescent protease substrate,” J. Phys. Chem. B102(4), 752–758 (1998).
[CrossRef]

Brandl, D. W.

J. B. Lassiter, J. Aizpurua, L. I. Hernandez, D. W. Brandl, I. Romero, S. Lal, J. H. Hafner, P. Nordlander, and N. J. Halas, “Close encounters between two nanoshells,” Nano Lett.8(4), 1212–1218 (2008).
[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]

Brolo, A. G.

A. Lee, A. Ahmed, D. P. dos Santos, N. Coombs, J. I. Park, R. Gordon, A. G. Brolo, and E. Kumacheva, “Side-by-side assembly of gold nanorods reduces ensemble-averaged SERS intensity,” J. Phys. Chem. C116(9), 5538–5545 (2012).
[CrossRef]

Büchner, B.

M. Kruszynska, H. Borchert, A. Bachmatiuk, M. H. Rümmeli, B. Büchner, J. Parisi, and J. Kolny-Olesiak, “Size and shape control of colloidal copper(I) sulfide nanorods,” ACS Nano6(7), 5889–5896 (2012).
[CrossRef] [PubMed]

Cabrini, S.

A. McLeod, A. Weber-Bargioni, Z. Zhang, S. Dhuey, B. Harteneck, J. B. Neaton, S. Cabrini, and P. J. Schuck, “Nonperturbative visualization of nanoscale plasmonic field distributions via photon localization microscopy,” Phys. Rev. Lett.106(3), 037402 (2011).
[CrossRef] [PubMed]

Capasso, F.

J. A. Fan, C. Wu, K. Bao, J. Bao, R. Bardhan, N. J. Halas, V. N. Manoharan, P. Nordlander, G. Shvets, and F. Capasso, “Self-assembled plasmonic nanoparticle clusters,” Science328(5982), 1135–1138 (2010).
[CrossRef] [PubMed]

Chang, S. H.

Y. C. Chang, S. M. Wang, H. C. Chung, C. B. Tseng, and S. H. Chang, “Observation of absorption-dominated bonding dark plasmon mode from metal-insulator-metal nanodisk arrays fabricated by nanospherical-lens lithography,” ACS Nano6(4), 3390–3396 (2012).
[CrossRef] [PubMed]

Chang, W. S.

W. S. Chang, J. B. Lassiter, P. Swanglap, H. Sobhani, S. Khatua, P. Nordlander, N. J. Halas, and S. Link, “A plasmonic fano switch,” Nano Lett.12(9), 4977–4982 (2012).
[CrossRef] [PubMed]

Chang, Y. C.

Y. C. Chang, S. M. Wang, H. C. Chung, C. B. Tseng, and S. H. Chang, “Observation of absorption-dominated bonding dark plasmon mode from metal-insulator-metal nanodisk arrays fabricated by nanospherical-lens lithography,” ACS Nano6(4), 3390–3396 (2012).
[CrossRef] [PubMed]

Chen, H. J.

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C. Liusman, S. Z. Li, X. D. Chen, W. Wei, H. Zhang, G. C. Schatz, F. Boey, and C. A. Mirkin, “Free-standing bimetallic nanorings and nanoring arrays made by on-wire lithography,” ACS Nano4(12), 7676–7682 (2010).
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M. Rycenga, C. M. Cobley, J. Zeng, W. Y. Li, C. H. Moran, Q. Zhang, D. Qin, and Y. N. Xia, “Controlling the synthesis and assembly of silver nanostructures for plasmonic applications,” Chem. Rev.111(6), 3669–3712 (2011).
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Coombs, N.

A. Lee, A. Ahmed, D. P. dos Santos, N. Coombs, J. I. Park, R. Gordon, A. G. Brolo, and E. Kumacheva, “Side-by-side assembly of gold nanorods reduces ensemble-averaged SERS intensity,” J. Phys. Chem. C116(9), 5538–5545 (2012).
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M. Danckwerts and L. Novotny, “Optical frequency mixing at coupled gold nanoparticles,” Phys. Rev. Lett.98(2), 026104 (2007).
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D. E. Gómez, A. Roberts, T. J. Davis, and K. C. Vernon, “Surface plasmon hybridization and exciton coupling,” Phys. Rev. B86(3), 035411 (2012).
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A. M. Funston, C. Novo, T. J. Davis, and P. Mulvaney, “Plasmon coupling of gold nanorods at short distances and in different geometries,” Nano Lett.9(4), 1651–1658 (2009).
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A. McLeod, A. Weber-Bargioni, Z. Zhang, S. Dhuey, B. Harteneck, J. B. Neaton, S. Cabrini, and P. J. Schuck, “Nonperturbative visualization of nanoscale plasmonic field distributions via photon localization microscopy,” Phys. Rev. Lett.106(3), 037402 (2011).
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dos Santos, D. P.

A. Lee, A. Ahmed, D. P. dos Santos, N. Coombs, J. I. Park, R. Gordon, A. G. Brolo, and E. Kumacheva, “Side-by-side assembly of gold nanorods reduces ensemble-averaged SERS intensity,” J. Phys. Chem. C116(9), 5538–5545 (2012).
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Du, Y.

T. Deng, J. R. Cournoyer, J. H. Schermerhorn, J. Balch, Y. Du, and M. L. Blohm, “Generation and assembly of spheroid-like particles,” J. Am. Chem. Soc.130(44), 14396–14397 (2008).
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Ebbesen, T. W.

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C. Tabor, D. Van Haute, and M. A. El-Sayed, “Effect of orientation on plasmonic coupling between gold nanorods,” ACS Nano3(11), 3670–3678 (2009).
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P. K. Jain, S. Eustis, and M. A. El-Sayed, “Plasmon coupling in nanorod assemblies: optical absorption, discrete dipole approximation simulation, and exciton-coupling model,” J. Phys. Chem. B110(37), 18243–18253 (2006).
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N. A. Hatab, C. H. Hsueh, A. L. Gaddis, S. T. Retterer, J. H. Li, G. Eres, Z. Y. Zhang, and B. H. Gu, “Free-standing optical gold bowtie nanoantenna with variable gap size for enhanced Raman spectroscopy,” Nano Lett.10(12), 4952–4955 (2010).
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Eustis, S.

P. K. Jain, S. Eustis, and M. A. El-Sayed, “Plasmon coupling in nanorod assemblies: optical absorption, discrete dipole approximation simulation, and exciton-coupling model,” J. Phys. Chem. B110(37), 18243–18253 (2006).
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Fan, J. A.

J. A. Fan, C. Wu, K. Bao, J. Bao, R. Bardhan, N. J. Halas, V. N. Manoharan, P. Nordlander, G. Shvets, and F. Capasso, “Self-assembled plasmonic nanoparticle clusters,” Science328(5982), 1135–1138 (2010).
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Funston, A. M.

A. M. Funston, C. Novo, T. J. Davis, and P. Mulvaney, “Plasmon coupling of gold nanorods at short distances and in different geometries,” Nano Lett.9(4), 1651–1658 (2009).
[CrossRef] [PubMed]

V. Myroshnychenko, J. Rodríguez-Fernández, I. Pastoriza-Santos, A. M. Funston, C. Novo, P. Mulvaney, L. M. Liz-Marzán, and F. J. García de Abajo, “Modelling the optical response of gold nanoparticles,” Chem. Soc. Rev.37(9), 1792–1805 (2008).
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Gaddis, A. L.

N. A. Hatab, C. H. Hsueh, A. L. Gaddis, S. T. Retterer, J. H. Li, G. Eres, Z. Y. Zhang, and B. H. Gu, “Free-standing optical gold bowtie nanoantenna with variable gap size for enhanced Raman spectroscopy,” Nano Lett.10(12), 4952–4955 (2010).
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García de Abajo, F. J.

V. Myroshnychenko, J. Rodríguez-Fernández, I. Pastoriza-Santos, A. M. Funston, C. Novo, P. Mulvaney, L. M. Liz-Marzán, and F. J. García de Abajo, “Modelling the optical response of gold nanoparticles,” Chem. Soc. Rev.37(9), 1792–1805 (2008).
[CrossRef] [PubMed]

Gómez, D. E.

D. E. Gómez, A. Roberts, T. J. Davis, and K. C. Vernon, “Surface plasmon hybridization and exciton coupling,” Phys. Rev. B86(3), 035411 (2012).
[CrossRef]

Gordon, R.

A. Lee, A. Ahmed, D. P. dos Santos, N. Coombs, J. I. Park, R. Gordon, A. G. Brolo, and E. Kumacheva, “Side-by-side assembly of gold nanorods reduces ensemble-averaged SERS intensity,” J. Phys. Chem. C116(9), 5538–5545 (2012).
[CrossRef]

Gu, B. H.

N. A. Hatab, C. H. Hsueh, A. L. Gaddis, S. T. Retterer, J. H. Li, G. Eres, Z. Y. Zhang, and B. H. Gu, “Free-standing optical gold bowtie nanoantenna with variable gap size for enhanced Raman spectroscopy,” Nano Lett.10(12), 4952–4955 (2010).
[CrossRef] [PubMed]

Guerrero-Martínez, A.

B. Auguié, J. L. Alonso-Gómez, A. Guerrero-Martínez, and L. M. Liz-Marzán, “Fingers crossed: optical activity of a chiral dimer of plasmonic nanorods,” J. Phys. Chem. Lett.2(8), 846–851 (2011).
[CrossRef]

Hafner, J. H.

J. B. Lassiter, J. Aizpurua, L. I. Hernandez, D. W. Brandl, I. Romero, S. Lal, J. H. Hafner, P. Nordlander, and N. J. Halas, “Close encounters between two nanoshells,” Nano Lett.8(4), 1212–1218 (2008).
[CrossRef] [PubMed]

Halas, N. J.

W. S. Chang, J. B. Lassiter, P. Swanglap, H. Sobhani, S. Khatua, P. Nordlander, N. J. Halas, and S. Link, “A plasmonic fano switch,” Nano Lett.12(9), 4977–4982 (2012).
[CrossRef] [PubMed]

S. P. Zhang, K. Bao, N. J. Halas, H. X. Xu, and P. Nordlander, “Substrate-induced fano resonances of a plasmonic nanocube: a route to increased-sensitivity localized surface plasmon resonance sensors revealed,” Nano Lett.11(4), 1657–1663 (2011).
[CrossRef] [PubMed]

J. A. Fan, C. Wu, K. Bao, J. Bao, R. Bardhan, N. J. Halas, V. N. Manoharan, P. Nordlander, G. Shvets, and F. Capasso, “Self-assembled plasmonic nanoparticle clusters,” Science328(5982), 1135–1138 (2010).
[CrossRef] [PubMed]

J. B. Lassiter, J. Aizpurua, L. I. Hernandez, D. W. Brandl, I. Romero, S. Lal, J. H. Hafner, P. Nordlander, and N. J. Halas, “Close encounters between two nanoshells,” Nano Lett.8(4), 1212–1218 (2008).
[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]

Harteneck, B.

A. McLeod, A. Weber-Bargioni, Z. Zhang, S. Dhuey, B. Harteneck, J. B. Neaton, S. Cabrini, and P. J. Schuck, “Nonperturbative visualization of nanoscale plasmonic field distributions via photon localization microscopy,” Phys. Rev. Lett.106(3), 037402 (2011).
[CrossRef] [PubMed]

Hatab, N. A.

N. A. Hatab, C. H. Hsueh, A. L. Gaddis, S. T. Retterer, J. H. Li, G. Eres, Z. Y. Zhang, and B. H. Gu, “Free-standing optical gold bowtie nanoantenna with variable gap size for enhanced Raman spectroscopy,” Nano Lett.10(12), 4952–4955 (2010).
[CrossRef] [PubMed]

Hernandez, L. I.

J. B. Lassiter, J. Aizpurua, L. I. Hernandez, D. W. Brandl, I. Romero, S. Lal, J. H. Hafner, P. Nordlander, and N. J. Halas, “Close encounters between two nanoshells,” Nano Lett.8(4), 1212–1218 (2008).
[CrossRef] [PubMed]

Hsueh, C. H.

N. A. Hatab, C. H. Hsueh, A. L. Gaddis, S. T. Retterer, J. H. Li, G. Eres, Z. Y. Zhang, and B. H. Gu, “Free-standing optical gold bowtie nanoantenna with variable gap size for enhanced Raman spectroscopy,” Nano Lett.10(12), 4952–4955 (2010).
[CrossRef] [PubMed]

Jain, P. K.

P. K. Jain, S. Eustis, and M. A. El-Sayed, “Plasmon coupling in nanorod assemblies: optical absorption, discrete dipole approximation simulation, and exciton-coupling model,” J. Phys. Chem. B110(37), 18243–18253 (2006).
[CrossRef] [PubMed]

Jin, Z.

L. Shao, K. C. Woo, H. J. Chen, Z. Jin, J. F. Wang, and H. Q. Lin, “Angle- and energy-resolved plasmon coupling in gold nanorod dimers,” ACS Nano4(6), 3053–3062 (2010).
[CrossRef] [PubMed]

Kang, B. H.

Kang, S. W.

Kasha, M.

M. Kasha, H. R. Rawls, and M. Ashraf El-Bayoumi, “The exciton model in molecular spectroscopy,” Pure Appl. Chem.11(3-4), 371–392 (1965).
[CrossRef]

Khatua, S.

W. S. Chang, J. B. Lassiter, P. Swanglap, H. Sobhani, S. Khatua, P. Nordlander, N. J. Halas, and S. Link, “A plasmonic fano switch,” Nano Lett.12(9), 4977–4982 (2012).
[CrossRef] [PubMed]

Kim, H. R.

Kim, K. J.

Kim, O. G.

Kolny-Olesiak, J.

M. Kruszynska, H. Borchert, A. Bachmatiuk, M. H. Rümmeli, B. Büchner, J. Parisi, and J. Kolny-Olesiak, “Size and shape control of colloidal copper(I) sulfide nanorods,” ACS Nano6(7), 5889–5896 (2012).
[CrossRef] [PubMed]

Komoriya, A.

B. Z. Packard, D. D. Toptygin, A. Komoriya, and L. Brand, “Intramolecular resonance dipole-dipole interactions in a profluorescent protease substrate,” J. Phys. Chem. B102(4), 752–758 (1998).
[CrossRef]

Kruszynska, M.

M. Kruszynska, H. Borchert, A. Bachmatiuk, M. H. Rümmeli, B. Büchner, J. Parisi, and J. Kolny-Olesiak, “Size and shape control of colloidal copper(I) sulfide nanorods,” ACS Nano6(7), 5889–5896 (2012).
[CrossRef] [PubMed]

Kumacheva, E.

A. Lee, A. Ahmed, D. P. dos Santos, N. Coombs, J. I. Park, R. Gordon, A. G. Brolo, and E. Kumacheva, “Side-by-side assembly of gold nanorods reduces ensemble-averaged SERS intensity,” J. Phys. Chem. C116(9), 5538–5545 (2012).
[CrossRef]

Kwon, D. H.

Lal, S.

J. B. Lassiter, J. Aizpurua, L. I. Hernandez, D. W. Brandl, I. Romero, S. Lal, J. H. Hafner, P. Nordlander, and N. J. Halas, “Close encounters between two nanoshells,” Nano Lett.8(4), 1212–1218 (2008).
[CrossRef] [PubMed]

Lassiter, J. B.

W. S. Chang, J. B. Lassiter, P. Swanglap, H. Sobhani, S. Khatua, P. Nordlander, N. J. Halas, and S. Link, “A plasmonic fano switch,” Nano Lett.12(9), 4977–4982 (2012).
[CrossRef] [PubMed]

J. B. Lassiter, J. Aizpurua, L. I. Hernandez, D. W. Brandl, I. Romero, S. Lal, J. H. Hafner, P. Nordlander, and N. J. Halas, “Close encounters between two nanoshells,” Nano Lett.8(4), 1212–1218 (2008).
[CrossRef] [PubMed]

Le, F.

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]

Lee, A.

A. Lee, A. Ahmed, D. P. dos Santos, N. Coombs, J. I. Park, R. Gordon, A. G. Brolo, and E. Kumacheva, “Side-by-side assembly of gold nanorods reduces ensemble-averaged SERS intensity,” J. Phys. Chem. C116(9), 5538–5545 (2012).
[CrossRef]

Li, J. H.

N. A. Hatab, C. H. Hsueh, A. L. Gaddis, S. T. Retterer, J. H. Li, G. Eres, Z. Y. Zhang, and B. H. Gu, “Free-standing optical gold bowtie nanoantenna with variable gap size for enhanced Raman spectroscopy,” Nano Lett.10(12), 4952–4955 (2010).
[CrossRef] [PubMed]

Li, S. Z.

C. Liusman, S. Z. Li, X. D. Chen, W. Wei, H. Zhang, G. C. Schatz, F. Boey, and C. A. Mirkin, “Free-standing bimetallic nanorings and nanoring arrays made by on-wire lithography,” ACS Nano4(12), 7676–7682 (2010).
[CrossRef] [PubMed]

Li, W. Y.

M. Rycenga, C. M. Cobley, J. Zeng, W. Y. Li, C. H. Moran, Q. Zhang, D. Qin, and Y. N. Xia, “Controlling the synthesis and assembly of silver nanostructures for plasmonic applications,” Chem. Rev.111(6), 3669–3712 (2011).
[CrossRef] [PubMed]

Liang, Y.

K. C. Woo, L. Shao, H. J. Chen, Y. Liang, J. F. Wang, and H. Q. Lin, “Universal scaling and fano resonance in the plasmon coupling between gold nanorods,” ACS Nano5(7), 5976–5986 (2011).
[CrossRef] [PubMed]

Lin, H. Q.

K. C. Woo, L. Shao, H. J. Chen, Y. Liang, J. F. Wang, and H. Q. Lin, “Universal scaling and fano resonance in the plasmon coupling between gold nanorods,” ACS Nano5(7), 5976–5986 (2011).
[CrossRef] [PubMed]

L. Shao, K. C. Woo, H. J. Chen, Z. Jin, J. F. Wang, and H. Q. Lin, “Angle- and energy-resolved plasmon coupling in gold nanorod dimers,” ACS Nano4(6), 3053–3062 (2010).
[CrossRef] [PubMed]

Link, S.

W. S. Chang, J. B. Lassiter, P. Swanglap, H. Sobhani, S. Khatua, P. Nordlander, N. J. Halas, and S. Link, “A plasmonic fano switch,” Nano Lett.12(9), 4977–4982 (2012).
[CrossRef] [PubMed]

B. Willingham and S. Link, “Energy transport in metal nanoparticle chains via sub-radiant plasmon modes,” Opt. Express19(7), 6450–6461 (2011).
[CrossRef] [PubMed]

Liusman, C.

C. Liusman, S. Z. Li, X. D. Chen, W. Wei, H. Zhang, G. C. Schatz, F. Boey, and C. A. Mirkin, “Free-standing bimetallic nanorings and nanoring arrays made by on-wire lithography,” ACS Nano4(12), 7676–7682 (2010).
[CrossRef] [PubMed]

Liz-Marzán, L. M.

B. Auguié, J. L. Alonso-Gómez, A. Guerrero-Martínez, and L. M. Liz-Marzán, “Fingers crossed: optical activity of a chiral dimer of plasmonic nanorods,” J. Phys. Chem. Lett.2(8), 846–851 (2011).
[CrossRef]

V. Myroshnychenko, J. Rodríguez-Fernández, I. Pastoriza-Santos, A. M. Funston, C. Novo, P. Mulvaney, L. M. Liz-Marzán, and F. J. García de Abajo, “Modelling the optical response of gold nanoparticles,” Chem. Soc. Rev.37(9), 1792–1805 (2008).
[CrossRef] [PubMed]

Manoharan, V. N.

J. A. Fan, C. Wu, K. Bao, J. Bao, R. Bardhan, N. J. Halas, V. N. Manoharan, P. Nordlander, G. Shvets, and F. Capasso, “Self-assembled plasmonic nanoparticle clusters,” Science328(5982), 1135–1138 (2010).
[CrossRef] [PubMed]

McLeod, A.

A. McLeod, A. Weber-Bargioni, Z. Zhang, S. Dhuey, B. Harteneck, J. B. Neaton, S. Cabrini, and P. J. Schuck, “Nonperturbative visualization of nanoscale plasmonic field distributions via photon localization microscopy,” Phys. Rev. Lett.106(3), 037402 (2011).
[CrossRef] [PubMed]

Mirkin, C. A.

C. Liusman, S. Z. Li, X. D. Chen, W. Wei, H. Zhang, G. C. Schatz, F. Boey, and C. A. Mirkin, “Free-standing bimetallic nanorings and nanoring arrays made by on-wire lithography,” ACS Nano4(12), 7676–7682 (2010).
[CrossRef] [PubMed]

Moran, C. H.

M. Rycenga, C. M. Cobley, J. Zeng, W. Y. Li, C. H. Moran, Q. Zhang, D. Qin, and Y. N. Xia, “Controlling the synthesis and assembly of silver nanostructures for plasmonic applications,” Chem. Rev.111(6), 3669–3712 (2011).
[CrossRef] [PubMed]

Mulvaney, P.

A. M. Funston, C. Novo, T. J. Davis, and P. Mulvaney, “Plasmon coupling of gold nanorods at short distances and in different geometries,” Nano Lett.9(4), 1651–1658 (2009).
[CrossRef] [PubMed]

V. Myroshnychenko, J. Rodríguez-Fernández, I. Pastoriza-Santos, A. M. Funston, C. Novo, P. Mulvaney, L. M. Liz-Marzán, and F. J. García de Abajo, “Modelling the optical response of gold nanoparticles,” Chem. Soc. Rev.37(9), 1792–1805 (2008).
[CrossRef] [PubMed]

Myroshnychenko, V.

V. Myroshnychenko, J. Rodríguez-Fernández, I. Pastoriza-Santos, A. M. Funston, C. Novo, P. Mulvaney, L. M. Liz-Marzán, and F. J. García de Abajo, “Modelling the optical response of gold nanoparticles,” Chem. Soc. Rev.37(9), 1792–1805 (2008).
[CrossRef] [PubMed]

Neaton, J. B.

A. McLeod, A. Weber-Bargioni, Z. Zhang, S. Dhuey, B. Harteneck, J. B. Neaton, S. Cabrini, and P. J. Schuck, “Nonperturbative visualization of nanoscale plasmonic field distributions via photon localization microscopy,” Phys. Rev. Lett.106(3), 037402 (2011).
[CrossRef] [PubMed]

Nordlander, P.

W. S. Chang, J. B. Lassiter, P. Swanglap, H. Sobhani, S. Khatua, P. Nordlander, N. J. Halas, and S. Link, “A plasmonic fano switch,” Nano Lett.12(9), 4977–4982 (2012).
[CrossRef] [PubMed]

S. P. Zhang, K. Bao, N. J. Halas, H. X. Xu, and P. Nordlander, “Substrate-induced fano resonances of a plasmonic nanocube: a route to increased-sensitivity localized surface plasmon resonance sensors revealed,” Nano Lett.11(4), 1657–1663 (2011).
[CrossRef] [PubMed]

J. A. Fan, C. Wu, K. Bao, J. Bao, R. Bardhan, N. J. Halas, V. N. Manoharan, P. Nordlander, G. Shvets, and F. Capasso, “Self-assembled plasmonic nanoparticle clusters,” Science328(5982), 1135–1138 (2010).
[CrossRef] [PubMed]

J. B. Lassiter, J. Aizpurua, L. I. Hernandez, D. W. Brandl, I. Romero, S. Lal, J. H. Hafner, P. Nordlander, and N. J. Halas, “Close encounters between two nanoshells,” Nano Lett.8(4), 1212–1218 (2008).
[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]

Novo, C.

A. M. Funston, C. Novo, T. J. Davis, and P. Mulvaney, “Plasmon coupling of gold nanorods at short distances and in different geometries,” Nano Lett.9(4), 1651–1658 (2009).
[CrossRef] [PubMed]

V. Myroshnychenko, J. Rodríguez-Fernández, I. Pastoriza-Santos, A. M. Funston, C. Novo, P. Mulvaney, L. M. Liz-Marzán, and F. J. García de Abajo, “Modelling the optical response of gold nanoparticles,” Chem. Soc. Rev.37(9), 1792–1805 (2008).
[CrossRef] [PubMed]

Novotny, L.

M. Danckwerts and L. Novotny, “Optical frequency mixing at coupled gold nanoparticles,” Phys. Rev. Lett.98(2), 026104 (2007).
[CrossRef] [PubMed]

Packard, B. Z.

B. Z. Packard, D. D. Toptygin, A. Komoriya, and L. Brand, “Intramolecular resonance dipole-dipole interactions in a profluorescent protease substrate,” J. Phys. Chem. B102(4), 752–758 (1998).
[CrossRef]

Parisi, J.

M. Kruszynska, H. Borchert, A. Bachmatiuk, M. H. Rümmeli, B. Büchner, J. Parisi, and J. Kolny-Olesiak, “Size and shape control of colloidal copper(I) sulfide nanorods,” ACS Nano6(7), 5889–5896 (2012).
[CrossRef] [PubMed]

Park, J. I.

A. Lee, A. Ahmed, D. P. dos Santos, N. Coombs, J. I. Park, R. Gordon, A. G. Brolo, and E. Kumacheva, “Side-by-side assembly of gold nanorods reduces ensemble-averaged SERS intensity,” J. Phys. Chem. C116(9), 5538–5545 (2012).
[CrossRef]

Pastoriza-Santos, I.

V. Myroshnychenko, J. Rodríguez-Fernández, I. Pastoriza-Santos, A. M. Funston, C. Novo, P. Mulvaney, L. M. Liz-Marzán, and F. J. García de Abajo, “Modelling the optical response of gold nanoparticles,” Chem. Soc. Rev.37(9), 1792–1805 (2008).
[CrossRef] [PubMed]

Pfadler, T.

Polman, A.

H. A. Atwater and A. Polman, “Plasmonics for improved photovoltaic devices,” Nat. Mater.9(3), 205–213 (2010).
[CrossRef] [PubMed]

Qin, D.

M. Rycenga, C. M. Cobley, J. Zeng, W. Y. Li, C. H. Moran, Q. Zhang, D. Qin, and Y. N. Xia, “Controlling the synthesis and assembly of silver nanostructures for plasmonic applications,” Chem. Rev.111(6), 3669–3712 (2011).
[CrossRef] [PubMed]

Rawls, H. R.

M. Kasha, H. R. Rawls, and M. Ashraf El-Bayoumi, “The exciton model in molecular spectroscopy,” Pure Appl. Chem.11(3-4), 371–392 (1965).
[CrossRef]

Retterer, S. T.

N. A. Hatab, C. H. Hsueh, A. L. Gaddis, S. T. Retterer, J. H. Li, G. Eres, Z. Y. Zhang, and B. H. Gu, “Free-standing optical gold bowtie nanoantenna with variable gap size for enhanced Raman spectroscopy,” Nano Lett.10(12), 4952–4955 (2010).
[CrossRef] [PubMed]

Roberts, A.

D. E. Gómez, A. Roberts, T. J. Davis, and K. C. Vernon, “Surface plasmon hybridization and exciton coupling,” Phys. Rev. B86(3), 035411 (2012).
[CrossRef]

Rodríguez-Fernández, J.

V. Myroshnychenko, J. Rodríguez-Fernández, I. Pastoriza-Santos, A. M. Funston, C. Novo, P. Mulvaney, L. M. Liz-Marzán, and F. J. García de Abajo, “Modelling the optical response of gold nanoparticles,” Chem. Soc. Rev.37(9), 1792–1805 (2008).
[CrossRef] [PubMed]

Romero, I.

J. B. Lassiter, J. Aizpurua, L. I. Hernandez, D. W. Brandl, I. Romero, S. Lal, J. H. Hafner, P. Nordlander, and N. J. Halas, “Close encounters between two nanoshells,” Nano Lett.8(4), 1212–1218 (2008).
[CrossRef] [PubMed]

Rümmeli, M. H.

M. Kruszynska, H. Borchert, A. Bachmatiuk, M. H. Rümmeli, B. Büchner, J. Parisi, and J. Kolny-Olesiak, “Size and shape control of colloidal copper(I) sulfide nanorods,” ACS Nano6(7), 5889–5896 (2012).
[CrossRef] [PubMed]

Rycenga, M.

M. Rycenga, C. M. Cobley, J. Zeng, W. Y. Li, C. H. Moran, Q. Zhang, D. Qin, and Y. N. Xia, “Controlling the synthesis and assembly of silver nanostructures for plasmonic applications,” Chem. Rev.111(6), 3669–3712 (2011).
[CrossRef] [PubMed]

Schatz, G. C.

C. Liusman, S. Z. Li, X. D. Chen, W. Wei, H. Zhang, G. C. Schatz, F. Boey, and C. A. Mirkin, “Free-standing bimetallic nanorings and nanoring arrays made by on-wire lithography,” ACS Nano4(12), 7676–7682 (2010).
[CrossRef] [PubMed]

Schermerhorn, J. H.

T. Deng, J. R. Cournoyer, J. H. Schermerhorn, J. Balch, Y. Du, and M. L. Blohm, “Generation and assembly of spheroid-like particles,” J. Am. Chem. Soc.130(44), 14396–14397 (2008).
[CrossRef] [PubMed]

Schmidt-Mende, L.

Schuck, P. J.

A. McLeod, A. Weber-Bargioni, Z. Zhang, S. Dhuey, B. Harteneck, J. B. Neaton, S. Cabrini, and P. J. Schuck, “Nonperturbative visualization of nanoscale plasmonic field distributions via photon localization microscopy,” Phys. Rev. Lett.106(3), 037402 (2011).
[CrossRef] [PubMed]

Shao, L.

K. C. Woo, L. Shao, H. J. Chen, Y. Liang, J. F. Wang, and H. Q. Lin, “Universal scaling and fano resonance in the plasmon coupling between gold nanorods,” ACS Nano5(7), 5976–5986 (2011).
[CrossRef] [PubMed]

L. Shao, K. C. Woo, H. J. Chen, Z. Jin, J. F. Wang, and H. Q. Lin, “Angle- and energy-resolved plasmon coupling in gold nanorod dimers,” ACS Nano4(6), 3053–3062 (2010).
[CrossRef] [PubMed]

Shvets, G.

J. A. Fan, C. Wu, K. Bao, J. Bao, R. Bardhan, N. J. Halas, V. N. Manoharan, P. Nordlander, G. Shvets, and F. Capasso, “Self-assembled plasmonic nanoparticle clusters,” Science328(5982), 1135–1138 (2010).
[CrossRef] [PubMed]

Sobhani, H.

W. S. Chang, J. B. Lassiter, P. Swanglap, H. Sobhani, S. Khatua, P. Nordlander, N. J. Halas, and S. Link, “A plasmonic fano switch,” Nano Lett.12(9), 4977–4982 (2012).
[CrossRef] [PubMed]

Stellacci, F.

V. Amendola, O. M. Bakr, and F. Stellacci, “A study of the surface plasmon resonance of silver nanoparticles by the discrete dipole approximation method: effect of shape, size, structure, and assembly,” Plasmonics5(1), 85–97 (2010).
[CrossRef]

Swanglap, P.

W. S. Chang, J. B. Lassiter, P. Swanglap, H. Sobhani, S. Khatua, P. Nordlander, N. J. Halas, and S. Link, “A plasmonic fano switch,” Nano Lett.12(9), 4977–4982 (2012).
[CrossRef] [PubMed]

Tabor, C.

C. Tabor, D. Van Haute, and M. A. El-Sayed, “Effect of orientation on plasmonic coupling between gold nanorods,” ACS Nano3(11), 3670–3678 (2009).
[CrossRef] [PubMed]

Toptygin, D. D.

B. Z. Packard, D. D. Toptygin, A. Komoriya, and L. Brand, “Intramolecular resonance dipole-dipole interactions in a profluorescent protease substrate,” J. Phys. Chem. B102(4), 752–758 (1998).
[CrossRef]

Tseng, C. B.

Y. C. Chang, S. M. Wang, H. C. Chung, C. B. Tseng, and S. H. Chang, “Observation of absorption-dominated bonding dark plasmon mode from metal-insulator-metal nanodisk arrays fabricated by nanospherical-lens lithography,” ACS Nano6(4), 3390–3396 (2012).
[CrossRef] [PubMed]

Van Haute, D.

C. Tabor, D. Van Haute, and M. A. El-Sayed, “Effect of orientation on plasmonic coupling between gold nanorods,” ACS Nano3(11), 3670–3678 (2009).
[CrossRef] [PubMed]

Vernon, K. C.

D. E. Gómez, A. Roberts, T. J. Davis, and K. C. Vernon, “Surface plasmon hybridization and exciton coupling,” Phys. Rev. B86(3), 035411 (2012).
[CrossRef]

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. F.

K. C. Woo, L. Shao, H. J. Chen, Y. Liang, J. F. Wang, and H. Q. Lin, “Universal scaling and fano resonance in the plasmon coupling between gold nanorods,” ACS Nano5(7), 5976–5986 (2011).
[CrossRef] [PubMed]

L. Shao, K. C. Woo, H. J. Chen, Z. Jin, J. F. Wang, and H. Q. Lin, “Angle- and energy-resolved plasmon coupling in gold nanorod dimers,” ACS Nano4(6), 3053–3062 (2010).
[CrossRef] [PubMed]

Wang, S. M.

Y. C. Chang, S. M. Wang, H. C. Chung, C. B. Tseng, and S. H. Chang, “Observation of absorption-dominated bonding dark plasmon mode from metal-insulator-metal nanodisk arrays fabricated by nanospherical-lens lithography,” ACS Nano6(4), 3390–3396 (2012).
[CrossRef] [PubMed]

Weber-Bargioni, A.

A. McLeod, A. Weber-Bargioni, Z. Zhang, S. Dhuey, B. Harteneck, J. B. Neaton, S. Cabrini, and P. J. Schuck, “Nonperturbative visualization of nanoscale plasmonic field distributions via photon localization microscopy,” Phys. Rev. Lett.106(3), 037402 (2011).
[CrossRef] [PubMed]

Wei, W.

C. Liusman, S. Z. Li, X. D. Chen, W. Wei, H. Zhang, G. C. Schatz, F. Boey, and C. A. Mirkin, “Free-standing bimetallic nanorings and nanoring arrays made by on-wire lithography,” ACS Nano4(12), 7676–7682 (2010).
[CrossRef] [PubMed]

Willingham, B.

Woo, K. C.

K. C. Woo, L. Shao, H. J. Chen, Y. Liang, J. F. Wang, and H. Q. Lin, “Universal scaling and fano resonance in the plasmon coupling between gold nanorods,” ACS Nano5(7), 5976–5986 (2011).
[CrossRef] [PubMed]

L. Shao, K. C. Woo, H. J. Chen, Z. Jin, J. F. Wang, and H. Q. Lin, “Angle- and energy-resolved plasmon coupling in gold nanorod dimers,” ACS Nano4(6), 3053–3062 (2010).
[CrossRef] [PubMed]

Wu, C.

J. A. Fan, C. Wu, K. Bao, J. Bao, R. Bardhan, N. J. Halas, V. N. Manoharan, P. Nordlander, G. Shvets, and F. Capasso, “Self-assembled plasmonic nanoparticle clusters,” Science328(5982), 1135–1138 (2010).
[CrossRef] [PubMed]

Xia, Y. N.

M. Rycenga, C. M. Cobley, J. Zeng, W. Y. Li, C. H. Moran, Q. Zhang, D. Qin, and Y. N. Xia, “Controlling the synthesis and assembly of silver nanostructures for plasmonic applications,” Chem. Rev.111(6), 3669–3712 (2011).
[CrossRef] [PubMed]

Xu, H. X.

S. P. Zhang, K. Bao, N. J. Halas, H. X. Xu, and P. Nordlander, “Substrate-induced fano resonances of a plasmonic nanocube: a route to increased-sensitivity localized surface plasmon resonance sensors revealed,” Nano Lett.11(4), 1657–1663 (2011).
[CrossRef] [PubMed]

Yanik, A. A.

A. Artar, A. A. Yanik, and H. Altug, “Directional double Fano resonances in plasmonic hetero-oligomers,” Nano Lett.11(9), 3694–3700 (2011).
[CrossRef] [PubMed]

Yeom, S. H.

Yuan, H.

Zeng, J.

M. Rycenga, C. M. Cobley, J. Zeng, W. Y. Li, C. H. Moran, Q. Zhang, D. Qin, and Y. N. Xia, “Controlling the synthesis and assembly of silver nanostructures for plasmonic applications,” Chem. Rev.111(6), 3669–3712 (2011).
[CrossRef] [PubMed]

Zhang, H.

C. Liusman, S. Z. Li, X. D. Chen, W. Wei, H. Zhang, G. C. Schatz, F. Boey, and C. A. Mirkin, “Free-standing bimetallic nanorings and nanoring arrays made by on-wire lithography,” ACS Nano4(12), 7676–7682 (2010).
[CrossRef] [PubMed]

Zhang, Q.

M. Rycenga, C. M. Cobley, J. Zeng, W. Y. Li, C. H. Moran, Q. Zhang, D. Qin, and Y. N. Xia, “Controlling the synthesis and assembly of silver nanostructures for plasmonic applications,” Chem. Rev.111(6), 3669–3712 (2011).
[CrossRef] [PubMed]

Zhang, S. P.

S. P. Zhang, K. Bao, N. J. Halas, H. X. Xu, and P. Nordlander, “Substrate-induced fano resonances of a plasmonic nanocube: a route to increased-sensitivity localized surface plasmon resonance sensors revealed,” Nano Lett.11(4), 1657–1663 (2011).
[CrossRef] [PubMed]

Zhang, Z.

A. McLeod, A. Weber-Bargioni, Z. Zhang, S. Dhuey, B. Harteneck, J. B. Neaton, S. Cabrini, and P. J. Schuck, “Nonperturbative visualization of nanoscale plasmonic field distributions via photon localization microscopy,” Phys. Rev. Lett.106(3), 037402 (2011).
[CrossRef] [PubMed]

Zhang, Z. Y.

N. A. Hatab, C. H. Hsueh, A. L. Gaddis, S. T. Retterer, J. H. Li, G. Eres, Z. Y. Zhang, and B. H. Gu, “Free-standing optical gold bowtie nanoantenna with variable gap size for enhanced Raman spectroscopy,” Nano Lett.10(12), 4952–4955 (2010).
[CrossRef] [PubMed]

ACS Nano (6)

M. Kruszynska, H. Borchert, A. Bachmatiuk, M. H. Rümmeli, B. Büchner, J. Parisi, and J. Kolny-Olesiak, “Size and shape control of colloidal copper(I) sulfide nanorods,” ACS Nano6(7), 5889–5896 (2012).
[CrossRef] [PubMed]

C. Liusman, S. Z. Li, X. D. Chen, W. Wei, H. Zhang, G. C. Schatz, F. Boey, and C. A. Mirkin, “Free-standing bimetallic nanorings and nanoring arrays made by on-wire lithography,” ACS Nano4(12), 7676–7682 (2010).
[CrossRef] [PubMed]

K. C. Woo, L. Shao, H. J. Chen, Y. Liang, J. F. Wang, and H. Q. Lin, “Universal scaling and fano resonance in the plasmon coupling between gold nanorods,” ACS Nano5(7), 5976–5986 (2011).
[CrossRef] [PubMed]

L. Shao, K. C. Woo, H. J. Chen, Z. Jin, J. F. Wang, and H. Q. Lin, “Angle- and energy-resolved plasmon coupling in gold nanorod dimers,” ACS Nano4(6), 3053–3062 (2010).
[CrossRef] [PubMed]

C. Tabor, D. Van Haute, and M. A. El-Sayed, “Effect of orientation on plasmonic coupling between gold nanorods,” ACS Nano3(11), 3670–3678 (2009).
[CrossRef] [PubMed]

Y. C. Chang, S. M. Wang, H. C. Chung, C. B. Tseng, and S. H. Chang, “Observation of absorption-dominated bonding dark plasmon mode from metal-insulator-metal nanodisk arrays fabricated by nanospherical-lens lithography,” ACS Nano6(4), 3390–3396 (2012).
[CrossRef] [PubMed]

Chem. Rev. (1)

M. Rycenga, C. M. Cobley, J. Zeng, W. Y. Li, C. H. Moran, Q. Zhang, D. Qin, and Y. N. Xia, “Controlling the synthesis and assembly of silver nanostructures for plasmonic applications,” Chem. Rev.111(6), 3669–3712 (2011).
[CrossRef] [PubMed]

Chem. Soc. Rev. (1)

V. Myroshnychenko, J. Rodríguez-Fernández, I. Pastoriza-Santos, A. M. Funston, C. Novo, P. Mulvaney, L. M. Liz-Marzán, and F. J. García de Abajo, “Modelling the optical response of gold nanoparticles,” Chem. Soc. Rev.37(9), 1792–1805 (2008).
[CrossRef] [PubMed]

J. Am. Chem. Soc. (1)

T. Deng, J. R. Cournoyer, J. H. Schermerhorn, J. Balch, Y. Du, and M. L. Blohm, “Generation and assembly of spheroid-like particles,” J. Am. Chem. Soc.130(44), 14396–14397 (2008).
[CrossRef] [PubMed]

J. Opt. Soc. Am. A (1)

J. Phys. Chem. B (2)

B. Z. Packard, D. D. Toptygin, A. Komoriya, and L. Brand, “Intramolecular resonance dipole-dipole interactions in a profluorescent protease substrate,” J. Phys. Chem. B102(4), 752–758 (1998).
[CrossRef]

P. K. Jain, S. Eustis, and M. A. El-Sayed, “Plasmon coupling in nanorod assemblies: optical absorption, discrete dipole approximation simulation, and exciton-coupling model,” J. Phys. Chem. B110(37), 18243–18253 (2006).
[CrossRef] [PubMed]

J. Phys. Chem. C (1)

A. Lee, A. Ahmed, D. P. dos Santos, N. Coombs, J. I. Park, R. Gordon, A. G. Brolo, and E. Kumacheva, “Side-by-side assembly of gold nanorods reduces ensemble-averaged SERS intensity,” J. Phys. Chem. C116(9), 5538–5545 (2012).
[CrossRef]

J. Phys. Chem. Lett. (1)

B. Auguié, J. L. Alonso-Gómez, A. Guerrero-Martínez, and L. M. Liz-Marzán, “Fingers crossed: optical activity of a chiral dimer of plasmonic nanorods,” J. Phys. Chem. Lett.2(8), 846–851 (2011).
[CrossRef]

Nano Lett. (7)

A. Artar, A. A. Yanik, and H. Altug, “Directional double Fano resonances in plasmonic hetero-oligomers,” Nano Lett.11(9), 3694–3700 (2011).
[CrossRef] [PubMed]

W. S. Chang, J. B. Lassiter, P. Swanglap, H. Sobhani, S. Khatua, P. Nordlander, N. J. Halas, and S. Link, “A plasmonic fano switch,” Nano Lett.12(9), 4977–4982 (2012).
[CrossRef] [PubMed]

A. M. Funston, C. Novo, T. J. Davis, and P. Mulvaney, “Plasmon coupling of gold nanorods at short distances and in different geometries,” Nano Lett.9(4), 1651–1658 (2009).
[CrossRef] [PubMed]

N. A. Hatab, C. H. Hsueh, A. L. Gaddis, S. T. Retterer, J. H. Li, G. Eres, Z. Y. Zhang, and B. H. Gu, “Free-standing optical gold bowtie nanoantenna with variable gap size for enhanced Raman spectroscopy,” Nano Lett.10(12), 4952–4955 (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]

S. P. Zhang, K. Bao, N. J. Halas, H. X. Xu, and P. Nordlander, “Substrate-induced fano resonances of a plasmonic nanocube: a route to increased-sensitivity localized surface plasmon resonance sensors revealed,” Nano Lett.11(4), 1657–1663 (2011).
[CrossRef] [PubMed]

J. B. Lassiter, J. Aizpurua, L. I. Hernandez, D. W. Brandl, I. Romero, S. Lal, J. H. Hafner, P. Nordlander, and N. J. Halas, “Close encounters between two nanoshells,” Nano Lett.8(4), 1212–1218 (2008).
[CrossRef] [PubMed]

Nat. Mater. (1)

H. A. Atwater and A. Polman, “Plasmonics for improved photovoltaic devices,” Nat. Mater.9(3), 205–213 (2010).
[CrossRef] [PubMed]

Nature (1)

W. L. Barnes, A. Dereux, and T. W. Ebbesen, “Surface plasmon subwavelength optics,” Nature424(6950), 824–830 (2003).
[CrossRef] [PubMed]

Opt. Express (3)

Phys. Rev. B (1)

D. E. Gómez, A. Roberts, T. J. Davis, and K. C. Vernon, “Surface plasmon hybridization and exciton coupling,” Phys. Rev. B86(3), 035411 (2012).
[CrossRef]

Phys. Rev. Lett. (2)

M. Danckwerts and L. Novotny, “Optical frequency mixing at coupled gold nanoparticles,” Phys. Rev. Lett.98(2), 026104 (2007).
[CrossRef] [PubMed]

A. McLeod, A. Weber-Bargioni, Z. Zhang, S. Dhuey, B. Harteneck, J. B. Neaton, S. Cabrini, and P. J. Schuck, “Nonperturbative visualization of nanoscale plasmonic field distributions via photon localization microscopy,” Phys. Rev. Lett.106(3), 037402 (2011).
[CrossRef] [PubMed]

Plasmonics (1)

V. Amendola, O. M. Bakr, and F. Stellacci, “A study of the surface plasmon resonance of silver nanoparticles by the discrete dipole approximation method: effect of shape, size, structure, and assembly,” Plasmonics5(1), 85–97 (2010).
[CrossRef]

Pure Appl. Chem. (1)

M. Kasha, H. R. Rawls, and M. Ashraf El-Bayoumi, “The exciton model in molecular spectroscopy,” Pure Appl. Chem.11(3-4), 371–392 (1965).
[CrossRef]

Science (1)

J. A. Fan, C. Wu, K. Bao, J. Bao, R. Bardhan, N. J. Halas, V. N. Manoharan, P. Nordlander, G. Shvets, and F. Capasso, “Self-assembled plasmonic nanoparticle clusters,” Science328(5982), 1135–1138 (2010).
[CrossRef] [PubMed]

Other (2)

A. Taflove and S. C. Hagness, Computational Electrodynamics: The Finite-Difference Time-Domain Method, 3rd. ed. (Artech House, Inc.: Norwood, M.A., 2005).

B. T. Draine and P. J. Flatau, “User guide for the discrete dipole approximation code DDSCAT 7.0,” 2009, http://arxiv.org/abs/0809.0337v5 .

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Figures (8)

Fig. 1
Fig. 1

Schematic of the model: (a) Front view of the TNSHD consisting of two parallel nanospheroids in the y-z plane. The green circle with dotted line indicates that there is a touching point in the center of the circle. (b) Side view of the TNSHD and θ presents the rotation angle. (c) Side view and (d) top view of the individual nanospheroid. The constant l represents the length of long axis and w represents the lengths of two short axes of the individual nanospheroid.

Fig. 2
Fig. 2

Extinction cross section of (a) the longitudinal polarization mode and (b) the transverse polarization mode. The insets in the top-left corners show the directions of the incident wave vector and polarization. The insets in the top-right corners show the corresponding electric field distributions at the resonance wavelength. The color bars represent the amplitude of | E/ E 0 | , where E is the local electric field near the TNSHD, and E 0 is the incident electric field.

Fig. 3
Fig. 3

(a) Extinction and (b) absorption cross sections of the TNSHD as a function of the rotation angle θ. The extinction and absorption cross sections of the individual nanospheroid (green dashed lines) are shown in Figs. 3(a) and 3(b), respectively. The incident wave vector and polarization are illustrated in the inset of Fig. 3(a).

Fig. 4
Fig. 4

Scheme of the plasmon hybridization of the TNSHD structure when θ= 0 ° . The dipole resonance wavelength of the individual nanospheroid is 580 nm. The resonance wavelengths of the antibonding mode | ψ + and the bonding mode | ψ - are 570 nm and 650 nm, respectively. The inset in the top-right corner shows the directions of the incident wave vector and polarization.

Fig. 5
Fig. 5

Electric field distributions of the TNSHD in (a) the y-z cross section and (b) the plane determined by the z-axis and the long axis of nanospheroid 2 as a function of the rotation angle θ which increases from 15° to 90°. The corresponding excitation wavelength is 574 nm, 575 nm, 577 nm, 583 nm, 593 nm, and 595 nm, respectively. The incident wave vector and polarization are illustrated inside nanospheroid 1 (for (a)), where the wave vector and polarization direction are the same for all panels and inside nanospheroid 2 (for (b)), where the wave vector direction is constant but polarization direction is rotated out of this plane gradually. The color bars represent the amplitude of | E/ E 0 | , where E is the local electric field near the TNSHD, and E 0 is the incident electric field.

Fig. 6
Fig. 6

(a) Extinction cross section of the TNSHD as a function of the rotation angle θ which increases from 0° to 90°. (b) Absorption cross section as a function of θ which increases from 25° to 50°. The green dotted lines are for eye guiding. The extinction cross section of the individual nanospheroid (salmon pink dashed lines) is shown as a reference in Fig. 6(a). The incident wave vector and polarization are illustrated in the inset of Fig. 6(a).

Fig. 7
Fig. 7

Electric field distributions of the TNSHD in (a) the y-z cross section and (b) the plane determined by the z-axis and the long axis of nanospheroid 2 as a function of the rotation angle θ which increases from 15° to 90°. The corresponding excitation wavelength is 650 nm, 640 nm, 580 nm, 588 nm, 590 nm, and 590 nm, respectively. The incident wave vector and polarization are illustrated inside nanospheroid 1 (for (a)), where the wave vector and polarization direction are the same for all panels and inside nanospheroid 2 (for (b)), where the wave vector direction is constant but polarization direction is rotated into this plane gradually. The color bars represent the amplitude of | E/ E 0 | , where E is the local electric field near the TNSHD, and E 0 is the incident electric field.

Fig. 8
Fig. 8

Electric field distributions of the TNSHD in the x-y plane at the center of nanospheroid 1 and that of nanospheroid 2 as a function of rotation angle. Incident wave vector is along the z-axis all the time. The polarization direction is (a) along the y-axis (the excitation wavelength is 570 nm, 574 nm, 575 nm, 577 nm, 583 nm, 593 nm, and 595 nm, respectively) and (b) along the x-axis (the excitation wavelength is 500 nm, 650 nm, 640 nm, 580 nm, 588 nm, 590 nm, and 590 nm, respectively). The color bars represent the amplitude of | E/ E 0 | , where E is the local electric field near the TNSHD, and E 0 is the incident electric field.

Equations (1)

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V 12 = 1 n [ p 1 p 2 r 3 3( p 1 R 12 )( p 2 R 12 ) r 5 ]

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