Abstract

Enhanced surface plasmon resonances in a silvershell nanocylindrical pair connected by a different type of nanobar that interacts with incident plane wave of transverse magnetic polarization are simulated by use of the finite element method. Arrays of silver nanoshells connected by silver nanobars are also investigated. The proposed structure exhibits a red-shifted localized surface plasmon that can be tuned over an extended wavelength range by varying the width of the nanobar and the dielectric constant in dielectric holes (DHs). The increase in the scattering cross sections is attributed to the effects of surface plasmon on the nanobar surface and a larger effective size of DH that is filled with a higher refractive medium. The predictive character of these calculations allows one to tailor the shape of the nanoparticle to achieve excitation spectra on demand with a controlled field enhancement.

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2007 (3)

Y.-F. Chau and D. P. Tsai, “Three-dimensional analysis of silver nano-particles doping effects on super resolution near-field structure,” Opt. Commun. 269(2), 389–394 (2007).
[CrossRef]

W. C. Choy, X.-W. Chen, S. He, and P. C. Chui, “Highly efficient fluorescence of a fluorescing nanoparticle with a silver shell,” Opt. Express 15(11), 7083–7094 (2007).
[CrossRef] [PubMed]

Y. Chen, Y. Wang, Y. Zhang, and S. Liu, “Numerical investigation of the transmission enhancement through subwavelength hole array,” Opt. Commun. 274(1), 236–240 (2007).
[CrossRef]

2006 (4)

F. J. García de Abajo, J. J. Sáenz, I. Campillo, and J. S. Dolado, “Site and lattice resonances in metallic hole arrays,” Opt. Express 14(1), 7–18 (2006).
[CrossRef] [PubMed]

L. R. Hirsch, A. M. Gobin, A. R. Lowery, F. Tam, R. A. Drezek, N. J. Halas, and J. L. West, “Metal nanoshells,” Ann. Biomed. Eng. 34(1), 15–22 (2006).
[CrossRef] [PubMed]

J. P. Zimmer, S. W. Kim, S. Ohnishi, E. Tanaka, J. V. Frangioni, and M. G. Bawendi, “Size series of small indium arsenide-zinc selenide core-shell nanocrystals and their application to in vivo imaging,” J. Am. Chem. Soc. 128(8), 2526–2527 (2006).
[CrossRef] [PubMed]

Z. Ruan and M. Qiu, “Enhanced transmission through periodic arrays of subwavelength holes: the role of localized waveguide resonances,” Phys. Rev. Lett. 96(23), 233901 (2006).
[CrossRef] [PubMed]

2003 (6)

P. Alivisatos, “The use of nanocrystals in biological detection,” Nat. Biotechnol. 22(1), 47–52 (2003).
[CrossRef]

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2(4), 229–232 (2003).
[CrossRef] [PubMed]

E. Prodan, P. Nordlander, and N. J. Halas, “Electronic Structure and Optical Properties of Gold Nanoshells,” Nano Lett. 3(10), 1411–1415 (2003).
[CrossRef]

J. B. Jackson, S. L. Westcott, L. R. Hirsch, J. L. West, and N. J. Halas, “Controlling the surface enhanced Raman effect via the nanoshell geometry,” Appl. Phys. Lett. 82(2), 257–259 (2003).
[CrossRef]

E. Prodan, C. Radloff, N. J. Halas, and P. Nordlander, “A hybridization model for the plasmon response of complex nanostructures,” Science 302(5644), 419–422 (2003).
[CrossRef] [PubMed]

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

2002 (2)

Y. C. Cao, R. Jin, and C. A. Mirkin, “Nanoparticles with Raman spectroscopic fingerprints for DNA and RNA detection,” Science 297(5586), 1536–1540 (2002).
[CrossRef] [PubMed]

H. Ditlbacher, J. R. Krenn, G. Schider, A. Leitner, and F. R. Aussenegg, “Two-dimensional optics with surface plasmon polaritons,” Appl. Phys. Lett. 81(10), 1762–1764 (2002).
[CrossRef]

2000 (1)

1999 (1)

S. J. Oldenburg, G. D. Hale, J. B. Jackson, and N. J. Halas, “Light scattering from dipole and quadrupole nanoshell antennas,” Appl. Phys. Lett. 75(8), 1063–1065 (1999).
[CrossRef]

1998 (2)

T. Vo-Dinh, ““Surface-enhanced Raman spectroscopy using metallic nanostructures,” Trends Analyt. Chem. 17(8-9), 557–582 (1998).
[CrossRef]

M. Quinten, A. Leitner, J. R. Krenn, and F. R. Aussenegg, “Electromagnetic energy transport via linear chains of silver nanoparticles,” Opt. Lett. 23(17), 1331–1333 (1998).
[CrossRef]

1997 (2)

R. Averitt, D. Sarkar, and N. Halas, “Plasmon resonance shifts of Au-coated Au2S nanoshells: Insight into multicomponent nanoparticle growth,” Phys. Rev. Lett. 78(22), 4217–4220 (1997).
[CrossRef]

S. Nie and S. R. Emory, “Probing Single Molecules and Single Nanoparticles by Surface-Enhanced Raman Scattering,” Science 275(5303), 1102–1106 (1997).
[CrossRef] [PubMed]

1984 (1)

M. Kerker, “Electromagnetic model for surface-enhanced Raman scattering (SERS) on metal colloids,” Acc. Chem. Res. 17(8), 271–277 (1984).
[CrossRef]

1972 (1)

P. B. Johnson and R. W. Christy, “Optical constants of the noble metals,” Phys. Rev. B 6(12), 4370–4379 (1972).
[CrossRef]

Alivisatos, P.

P. Alivisatos, “The use of nanocrystals in biological detection,” Nat. Biotechnol. 22(1), 47–52 (2003).
[CrossRef]

Atwater, H. A.

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2(4), 229–232 (2003).
[CrossRef] [PubMed]

Aussenegg, F. R.

H. Ditlbacher, J. R. Krenn, G. Schider, A. Leitner, and F. R. Aussenegg, “Two-dimensional optics with surface plasmon polaritons,” Appl. Phys. Lett. 81(10), 1762–1764 (2002).
[CrossRef]

M. Quinten, A. Leitner, J. R. Krenn, and F. R. Aussenegg, “Electromagnetic energy transport via linear chains of silver nanoparticles,” Opt. Lett. 23(17), 1331–1333 (1998).
[CrossRef]

Averitt, R.

R. Averitt, D. Sarkar, and N. Halas, “Plasmon resonance shifts of Au-coated Au2S nanoshells: Insight into multicomponent nanoparticle growth,” Phys. Rev. Lett. 78(22), 4217–4220 (1997).
[CrossRef]

Barnes, W. L.

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

Bawendi, M. G.

J. P. Zimmer, S. W. Kim, S. Ohnishi, E. Tanaka, J. V. Frangioni, and M. G. Bawendi, “Size series of small indium arsenide-zinc selenide core-shell nanocrystals and their application to in vivo imaging,” J. Am. Chem. Soc. 128(8), 2526–2527 (2006).
[CrossRef] [PubMed]

Cai, W.

Campillo, I.

Cao, Y. C.

Y. C. Cao, R. Jin, and C. A. Mirkin, “Nanoparticles with Raman spectroscopic fingerprints for DNA and RNA detection,” Science 297(5586), 1536–1540 (2002).
[CrossRef] [PubMed]

Chau, Y.-F.

Y.-F. Chau and D. P. Tsai, “Three-dimensional analysis of silver nano-particles doping effects on super resolution near-field structure,” Opt. Commun. 269(2), 389–394 (2007).
[CrossRef]

Chen, X.-W.

Chen, Y.

Y. Chen, Y. Wang, Y. Zhang, and S. Liu, “Numerical investigation of the transmission enhancement through subwavelength hole array,” Opt. Commun. 274(1), 236–240 (2007).
[CrossRef]

Chettiar, U. K.

Choy, W. C.

Christy, R. W.

P. B. Johnson and R. W. Christy, “Optical constants of the noble metals,” Phys. Rev. B 6(12), 4370–4379 (1972).
[CrossRef]

Chui, P. C.

Cui, X.

Dereux, A.

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

Ditlbacher, H.

H. Ditlbacher, J. R. Krenn, G. Schider, A. Leitner, and F. R. Aussenegg, “Two-dimensional optics with surface plasmon polaritons,” Appl. Phys. Lett. 81(10), 1762–1764 (2002).
[CrossRef]

Dolado, J. S.

Drachev, V. P.

Drezek, R. A.

Y. Hu, R. C. Fleming, and R. A. Drezek,“Optical properties of gold-silica-gold multilayer nanoshells,” Opt. Express 16(24), 19579–19591 (2008).
[CrossRef] [PubMed]

L. R. Hirsch, A. M. Gobin, A. R. Lowery, F. Tam, R. A. Drezek, N. J. Halas, and J. L. West, “Metal nanoshells,” Ann. Biomed. Eng. 34(1), 15–22 (2006).
[CrossRef] [PubMed]

Ebbesen, T. W.

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

Emory, S. R.

S. Nie and S. R. Emory, “Probing Single Molecules and Single Nanoparticles by Surface-Enhanced Raman Scattering,” Science 275(5303), 1102–1106 (1997).
[CrossRef] [PubMed]

Erni, D.

Fleming, R. C.

Frangioni, J. V.

J. P. Zimmer, S. W. Kim, S. Ohnishi, E. Tanaka, J. V. Frangioni, and M. G. Bawendi, “Size series of small indium arsenide-zinc selenide core-shell nanocrystals and their application to in vivo imaging,” J. Am. Chem. Soc. 128(8), 2526–2527 (2006).
[CrossRef] [PubMed]

García de Abajo, F. J.

Gobin, A. M.

L. R. Hirsch, A. M. Gobin, A. R. Lowery, F. Tam, R. A. Drezek, N. J. Halas, and J. L. West, “Metal nanoshells,” Ann. Biomed. Eng. 34(1), 15–22 (2006).
[CrossRef] [PubMed]

Halas, N.

R. Averitt, D. Sarkar, and N. Halas, “Plasmon resonance shifts of Au-coated Au2S nanoshells: Insight into multicomponent nanoparticle growth,” Phys. Rev. Lett. 78(22), 4217–4220 (1997).
[CrossRef]

Halas, N. J.

L. R. Hirsch, A. M. Gobin, A. R. Lowery, F. Tam, R. A. Drezek, N. J. Halas, and J. L. West, “Metal nanoshells,” Ann. Biomed. Eng. 34(1), 15–22 (2006).
[CrossRef] [PubMed]

J. B. Jackson, S. L. Westcott, L. R. Hirsch, J. L. West, and N. J. Halas, “Controlling the surface enhanced Raman effect via the nanoshell geometry,” Appl. Phys. Lett. 82(2), 257–259 (2003).
[CrossRef]

E. Prodan, P. Nordlander, and N. J. Halas, “Electronic Structure and Optical Properties of Gold Nanoshells,” Nano Lett. 3(10), 1411–1415 (2003).
[CrossRef]

E. Prodan, C. Radloff, N. J. Halas, and P. Nordlander, “A hybridization model for the plasmon response of complex nanostructures,” Science 302(5644), 419–422 (2003).
[CrossRef] [PubMed]

S. J. Oldenburg, G. D. Hale, J. B. Jackson, and N. J. Halas, “Light scattering from dipole and quadrupole nanoshell antennas,” Appl. Phys. Lett. 75(8), 1063–1065 (1999).
[CrossRef]

Hale, G. D.

S. J. Oldenburg, G. D. Hale, J. B. Jackson, and N. J. Halas, “Light scattering from dipole and quadrupole nanoshell antennas,” Appl. Phys. Lett. 75(8), 1063–1065 (1999).
[CrossRef]

Harel, E.

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2(4), 229–232 (2003).
[CrossRef] [PubMed]

He, S.

Hirsch, L. R.

L. R. Hirsch, A. M. Gobin, A. R. Lowery, F. Tam, R. A. Drezek, N. J. Halas, and J. L. West, “Metal nanoshells,” Ann. Biomed. Eng. 34(1), 15–22 (2006).
[CrossRef] [PubMed]

J. B. Jackson, S. L. Westcott, L. R. Hirsch, J. L. West, and N. J. Halas, “Controlling the surface enhanced Raman effect via the nanoshell geometry,” Appl. Phys. Lett. 82(2), 257–259 (2003).
[CrossRef]

Hsu, F.-Y.

Hu, Y.

Jackson, J. B.

J. B. Jackson, S. L. Westcott, L. R. Hirsch, J. L. West, and N. J. Halas, “Controlling the surface enhanced Raman effect via the nanoshell geometry,” Appl. Phys. Lett. 82(2), 257–259 (2003).
[CrossRef]

S. J. Oldenburg, G. D. Hale, J. B. Jackson, and N. J. Halas, “Light scattering from dipole and quadrupole nanoshell antennas,” Appl. Phys. Lett. 75(8), 1063–1065 (1999).
[CrossRef]

Jin, R.

Y. C. Cao, R. Jin, and C. A. Mirkin, “Nanoparticles with Raman spectroscopic fingerprints for DNA and RNA detection,” Science 297(5586), 1536–1540 (2002).
[CrossRef] [PubMed]

Johnson, P. B.

P. B. Johnson and R. W. Christy, “Optical constants of the noble metals,” Phys. Rev. B 6(12), 4370–4379 (1972).
[CrossRef]

Kerker, M.

M. Kerker, “Electromagnetic model for surface-enhanced Raman scattering (SERS) on metal colloids,” Acc. Chem. Res. 17(8), 271–277 (1984).
[CrossRef]

Kik, P. G.

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2(4), 229–232 (2003).
[CrossRef] [PubMed]

Kildishev, A. V.

Kim, S. W.

J. P. Zimmer, S. W. Kim, S. Ohnishi, E. Tanaka, J. V. Frangioni, and M. G. Bawendi, “Size series of small indium arsenide-zinc selenide core-shell nanocrystals and their application to in vivo imaging,” J. Am. Chem. Soc. 128(8), 2526–2527 (2006).
[CrossRef] [PubMed]

Koel, B. E.

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2(4), 229–232 (2003).
[CrossRef] [PubMed]

Kottmann, J. P.

Krenn, J. R.

H. Ditlbacher, J. R. Krenn, G. Schider, A. Leitner, and F. R. Aussenegg, “Two-dimensional optics with surface plasmon polaritons,” Appl. Phys. Lett. 81(10), 1762–1764 (2002).
[CrossRef]

M. Quinten, A. Leitner, J. R. Krenn, and F. R. Aussenegg, “Electromagnetic energy transport via linear chains of silver nanoparticles,” Opt. Lett. 23(17), 1331–1333 (1998).
[CrossRef]

Leitner, A.

H. Ditlbacher, J. R. Krenn, G. Schider, A. Leitner, and F. R. Aussenegg, “Two-dimensional optics with surface plasmon polaritons,” Appl. Phys. Lett. 81(10), 1762–1764 (2002).
[CrossRef]

M. Quinten, A. Leitner, J. R. Krenn, and F. R. Aussenegg, “Electromagnetic energy transport via linear chains of silver nanoparticles,” Opt. Lett. 23(17), 1331–1333 (1998).
[CrossRef]

Lin, C.-W.

Liu, S.

Y. Chen, Y. Wang, Y. Zhang, and S. Liu, “Numerical investigation of the transmission enhancement through subwavelength hole array,” Opt. Commun. 274(1), 236–240 (2007).
[CrossRef]

Lowery, A. R.

L. R. Hirsch, A. M. Gobin, A. R. Lowery, F. Tam, R. A. Drezek, N. J. Halas, and J. L. West, “Metal nanoshells,” Ann. Biomed. Eng. 34(1), 15–22 (2006).
[CrossRef] [PubMed]

Maier, S. A.

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2(4), 229–232 (2003).
[CrossRef] [PubMed]

Martin, O. J. F.

Meltzer, S.

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2(4), 229–232 (2003).
[CrossRef] [PubMed]

Mirkin, C. A.

Y. C. Cao, R. Jin, and C. A. Mirkin, “Nanoparticles with Raman spectroscopic fingerprints for DNA and RNA detection,” Science 297(5586), 1536–1540 (2002).
[CrossRef] [PubMed]

Nie, S.

S. Nie and S. R. Emory, “Probing Single Molecules and Single Nanoparticles by Surface-Enhanced Raman Scattering,” Science 275(5303), 1102–1106 (1997).
[CrossRef] [PubMed]

Nordlander, P.

E. Prodan, C. Radloff, N. J. Halas, and P. Nordlander, “A hybridization model for the plasmon response of complex nanostructures,” Science 302(5644), 419–422 (2003).
[CrossRef] [PubMed]

E. Prodan, P. Nordlander, and N. J. Halas, “Electronic Structure and Optical Properties of Gold Nanoshells,” Nano Lett. 3(10), 1411–1415 (2003).
[CrossRef]

Ohnishi, S.

J. P. Zimmer, S. W. Kim, S. Ohnishi, E. Tanaka, J. V. Frangioni, and M. G. Bawendi, “Size series of small indium arsenide-zinc selenide core-shell nanocrystals and their application to in vivo imaging,” J. Am. Chem. Soc. 128(8), 2526–2527 (2006).
[CrossRef] [PubMed]

Oldenburg, S. J.

S. J. Oldenburg, G. D. Hale, J. B. Jackson, and N. J. Halas, “Light scattering from dipole and quadrupole nanoshell antennas,” Appl. Phys. Lett. 75(8), 1063–1065 (1999).
[CrossRef]

Prodan, E.

E. Prodan, P. Nordlander, and N. J. Halas, “Electronic Structure and Optical Properties of Gold Nanoshells,” Nano Lett. 3(10), 1411–1415 (2003).
[CrossRef]

E. Prodan, C. Radloff, N. J. Halas, and P. Nordlander, “A hybridization model for the plasmon response of complex nanostructures,” Science 302(5644), 419–422 (2003).
[CrossRef] [PubMed]

Qiu, M.

Z. Ruan and M. Qiu, “Enhanced transmission through periodic arrays of subwavelength holes: the role of localized waveguide resonances,” Phys. Rev. Lett. 96(23), 233901 (2006).
[CrossRef] [PubMed]

Quinten, M.

Radloff, C.

E. Prodan, C. Radloff, N. J. Halas, and P. Nordlander, “A hybridization model for the plasmon response of complex nanostructures,” Science 302(5644), 419–422 (2003).
[CrossRef] [PubMed]

Requicha, A. A. G.

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2(4), 229–232 (2003).
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Sarkar, D.

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[CrossRef]

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[CrossRef]

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[CrossRef] [PubMed]

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J. P. Zimmer, S. W. Kim, S. Ohnishi, E. Tanaka, J. V. Frangioni, and M. G. Bawendi, “Size series of small indium arsenide-zinc selenide core-shell nanocrystals and their application to in vivo imaging,” J. Am. Chem. Soc. 128(8), 2526–2527 (2006).
[CrossRef] [PubMed]

Tsai, D. P.

Y.-F. Chau and D. P. Tsai, “Three-dimensional analysis of silver nano-particles doping effects on super resolution near-field structure,” Opt. Commun. 269(2), 389–394 (2007).
[CrossRef]

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T. Vo-Dinh, ““Surface-enhanced Raman spectroscopy using metallic nanostructures,” Trends Analyt. Chem. 17(8-9), 557–582 (1998).
[CrossRef]

Wang, D.-S.

Wang, Y.

Y. Chen, Y. Wang, Y. Zhang, and S. Liu, “Numerical investigation of the transmission enhancement through subwavelength hole array,” Opt. Commun. 274(1), 236–240 (2007).
[CrossRef]

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L. R. Hirsch, A. M. Gobin, A. R. Lowery, F. Tam, R. A. Drezek, N. J. Halas, and J. L. West, “Metal nanoshells,” Ann. Biomed. Eng. 34(1), 15–22 (2006).
[CrossRef] [PubMed]

J. B. Jackson, S. L. Westcott, L. R. Hirsch, J. L. West, and N. J. Halas, “Controlling the surface enhanced Raman effect via the nanoshell geometry,” Appl. Phys. Lett. 82(2), 257–259 (2003).
[CrossRef]

Westcott, S. L.

J. B. Jackson, S. L. Westcott, L. R. Hirsch, J. L. West, and N. J. Halas, “Controlling the surface enhanced Raman effect via the nanoshell geometry,” Appl. Phys. Lett. 82(2), 257–259 (2003).
[CrossRef]

Yuan, H.-K.

Zhang, Y.

Y. Chen, Y. Wang, Y. Zhang, and S. Liu, “Numerical investigation of the transmission enhancement through subwavelength hole array,” Opt. Commun. 274(1), 236–240 (2007).
[CrossRef]

Zimmer, J. P.

J. P. Zimmer, S. W. Kim, S. Ohnishi, E. Tanaka, J. V. Frangioni, and M. G. Bawendi, “Size series of small indium arsenide-zinc selenide core-shell nanocrystals and their application to in vivo imaging,” J. Am. Chem. Soc. 128(8), 2526–2527 (2006).
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[CrossRef]

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L. R. Hirsch, A. M. Gobin, A. R. Lowery, F. Tam, R. A. Drezek, N. J. Halas, and J. L. West, “Metal nanoshells,” Ann. Biomed. Eng. 34(1), 15–22 (2006).
[CrossRef] [PubMed]

Appl. Phys. Lett. (3)

J. B. Jackson, S. L. Westcott, L. R. Hirsch, J. L. West, and N. J. Halas, “Controlling the surface enhanced Raman effect via the nanoshell geometry,” Appl. Phys. Lett. 82(2), 257–259 (2003).
[CrossRef]

S. J. Oldenburg, G. D. Hale, J. B. Jackson, and N. J. Halas, “Light scattering from dipole and quadrupole nanoshell antennas,” Appl. Phys. Lett. 75(8), 1063–1065 (1999).
[CrossRef]

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[CrossRef]

J. Am. Chem. Soc. (1)

J. P. Zimmer, S. W. Kim, S. Ohnishi, E. Tanaka, J. V. Frangioni, and M. G. Bawendi, “Size series of small indium arsenide-zinc selenide core-shell nanocrystals and their application to in vivo imaging,” J. Am. Chem. Soc. 128(8), 2526–2527 (2006).
[CrossRef] [PubMed]

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

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E. Prodan, P. Nordlander, and N. J. Halas, “Electronic Structure and Optical Properties of Gold Nanoshells,” Nano Lett. 3(10), 1411–1415 (2003).
[CrossRef]

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P. Alivisatos, “The use of nanocrystals in biological detection,” Nat. Biotechnol. 22(1), 47–52 (2003).
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Nature (1)

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[CrossRef] [PubMed]

Opt. Commun. (2)

Y. Chen, Y. Wang, Y. Zhang, and S. Liu, “Numerical investigation of the transmission enhancement through subwavelength hole array,” Opt. Commun. 274(1), 236–240 (2007).
[CrossRef]

Y.-F. Chau and D. P. Tsai, “Three-dimensional analysis of silver nano-particles doping effects on super resolution near-field structure,” Opt. Commun. 269(2), 389–394 (2007).
[CrossRef]

Opt. Express (6)

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[CrossRef]

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R. Averitt, D. Sarkar, and N. Halas, “Plasmon resonance shifts of Au-coated Au2S nanoshells: Insight into multicomponent nanoparticle growth,” Phys. Rev. Lett. 78(22), 4217–4220 (1997).
[CrossRef]

Z. Ruan and M. Qiu, “Enhanced transmission through periodic arrays of subwavelength holes: the role of localized waveguide resonances,” Phys. Rev. Lett. 96(23), 233901 (2006).
[CrossRef] [PubMed]

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Figures (8)

Fig. 1
Fig. 1

SCSs on a solid silver nanocylinder pair and a silvershell nanoscylinder pairs with different width of dielectric nanobar (w) as a function of wavelengths of TM incident light, where w = 4,5,6,7,8,9,10,11,15,20, and 40 nm, respectively.

Fig. 2
Fig. 2

Upper: Results of SCSs vs. incident wavelengths. The parameters are maintained as: the thickness of silver-shell d = 10 nm, the interparticle distance g = 20 nm and the DHs with dielectric constant ε = 1 (air-hole), 1.77, 2.31, 2.66 and 3.06, respectively. Bottom: The TM-mode near-field distributions at their corresponding resonant peak wavelengths: (a) λ = 580 nm forε = 1, (b) λ = 620 nm forε = 1.77, (c) λ = 680 nm forε = 2.31, (d) λ = 720 nm forε = 2.66 and (e) λ = 780 nm forε = 3.06, respectively.

Fig. 3
Fig. 3

The difference of SCSs on (a) a solid silver nanocylindrical pair connected by a silver nanobar and (b) a silvershell nanoscylindrical pairs connected by a silver nanobar of different width (w), which are illuminated with a TM electromagnetic plane wave and propagated in the nanochain direction.

Fig. 4
Fig. 4

Results of SCSs vs. incident wavelengths. The parameters are maintained as: the width of silver nanobar w = 4nm, the thickness of silvershell d = 10 nm, the interparticle distance g = 20 nm and the DH silvershell nanocylindrical pair with dielectric constant ε = 1, 1.77, 2.31, 2.66 and 3.06, respectively. Inset: The TM-mode near field distributions at their corresponding resonant peak wavelengths.

Fig. 5
Fig. 5

The near field intensity versus different refractive index of DH at their relative peak wavelengths along chain axis in the range of [-60, 60] nm. The thickness of the nanoshell is kept at d = 10 nm.

Fig. 6
Fig. 6

(a): Chain waveguides with numbers N = 5 of silver nanoshells without a silver nanobar. (b)-(e): Field intensities corresponding to their peak wavelengths with different DHs.

Fig. 7
Fig. 7

(a): Chain waveguides with numbers N = 5 of silver nanoshells with a w = 4 silver nanobar. (b)-(e): Field intensities corresponding to their peak wavelengths with different DHs.

Fig. 8
Fig. 8

Near field intensity of chain waveguides with numbers N = 20 of silver nanoshells for different DHs, with (see (1) and (2)) and without (see (3) and (4)) the silver nanobars.

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