Abstract

A plasmonic antenna design is proposed and investigated numerically over a large parameter space. By considering the contour of a bowtie antenna and introducing an additional design parameter, the contour thickness, it is demonstrated that the resonant wavelength of the antenna may be tuned over a broad spectral range while maintaining a constant antenna footprint. These new antennas allow for a factor of 3.6 reduction in the antenna footprint and an increase in the gap enhancement by 28%.

© 2011 OSA

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  1. L. Wang and X. Xu, “High transmission nanoscale bowtie-shaped aperture probe for near-field optical imaging,” Appl. Phys. Lett. 90(26), 261105 (2007).
    [CrossRef]
  2. S. Aksu, A. A. Yanik, R. Adato, A. Artar, M. Huang, and H. Altug, “High-throughput nanofabrication of infrared plasmonic nanoantenna arrays for vibrational nanospectroscopy,” Nano Lett. 10(7), 2511–2518 (2010).
    [CrossRef] [PubMed]
  3. F. Neubrech, A. Pucci, T. W. Cornelius, S. Karim, A. García-Etxarri, and J. Aizpurua, “Resonant plasmonic and vibrational coupling in a tailored nanoantenna for infrared detection,” Phys. Rev. Lett. 101(15), 157403 (2008).
    [CrossRef] [PubMed]
  4. R. Adato, A. A. Yanik, J. J. Amsden, D. L. Kaplan, F. G. Omenetto, M. K. Hong, S. Erramilli, and H. Altug, “Ultra-sensitive vibrational spectroscopy of protein monolayers with plasmonic nanoantenna arrays,” Proc. Natl. Acad. Sci. U.S.A. 106(46), 19227–19232 (2009).
    [CrossRef] [PubMed]
  5. S. Kim, J. Jin, Y. J. Kim, I. Y. Park, Y. Kim, and S. W. Kim, “High-harmonic generation by resonant plasmon field enhancement,” Nature 453(7196), 757–760 (2008).
    [CrossRef] [PubMed]
  6. N. Yu, E. Cubukcu, L. Diehl, D. Bour, S. Corzine, J. Zhu, G. Höfler, K. B. Crozier, and F. Capasso, “Bowtie plasmonic quantum cascade laser antenna,” Opt. Express 15(20), 13272–13281 (2007).
    [CrossRef] [PubMed]
  7. K. D. Ko, A. Kumar, K. H. Fung, R. Ambekar, G. L. Liu, N. X. Fang, and K. C. Toussaint., “Nonlinear optical response from arrays of Au bowtie nanoantennas,” Nano Lett. 11(1), 61–65 (2011).
    [CrossRef] [PubMed]
  8. A. Alù and N. Engheta, “Input impedance, nanocircuit loading, and radiation tuning of optical nanoantennas,” Phys. Rev. Lett. 101(4), 043901 (2008).
    [CrossRef] [PubMed]
  9. A. Alù and N. Engheta, “Tuning the scattering response of optical nanoantennas with nanocircuit loads,” Nat. Photonics 2(5), 307–310 (2008).
    [CrossRef]
  10. R. D. Averitt, D. Sarkar, and N. J. Halas, “Plasmon resonance shifts of Au-coated Au2S nanoshells: insight into multicomponent nanoparticle growth,” Phys. Rev. Lett. 78(22), 4217–4220 (1997).
    [CrossRef]
  11. Y.-F. Chau, H.-H. Yeh, and D. P. Tsai, “A new type of optical antenna: plasmonics nanoshell bowtie antenna with dielectric hole,” J. Electromagn. Waves Appl. 24(11), 1621–1632 (2010).
    [CrossRef]
  12. Y.-F. Chau, H.-H. Yeh, and D. P. Tsai, “Surface plasmon resonances effects on different patterns of solid-silver and silver-shell nanocylindrical pairs,” J. Electromagn. Waves Appl. 24(8), 1005–1014 (2010).
    [CrossRef]
  13. Y.-F. Chau and H.-H. Yeh, “A comparative study of solid-silver and silver-shell nanodimers on surface plasmon resonances,” J. Nanopart. Res. 13(2), 637–644 (2011).
    [CrossRef]
  14. L. Wang, L. Cai, J. Zhang, W. Bai, H. Hu, and G. Song, “Design of plasmonic bowtie nanoring array with high sensitivity and reproducibility for surface-enhanced Raman scattering spectroscopy,” J. Raman Spectrosc 42(6), 1263–1266 (2011).
    [CrossRef]
  15. L. Novotny, “Effective wavelength scaling for optical antennas,” Phys. Rev. Lett. 98(26), 266802 (2007).
    [CrossRef] [PubMed]
  16. M. Schnell, A. Garcia-Etxarri, A. J. Huber, K. Crozier, J. Aizpurua, and R. Hillenbrand, “Controlling the near-field oscillations of loaded plasmonic nanoantennas,” Nat. Photonics 3(5), 287–291 (2009).
    [CrossRef]
  17. H. Fischer and O. J. F. Martin, “Engineering the optical response of plasmonic nanoantennas,” Opt. Express 16(12), 9144–9154 (2008).
    [CrossRef] [PubMed]
  18. D. P. Fromm, A. Sundaramurthy, P. J. Schuck, G. Kino, and W. E. Moerner, “Gap-dependent optical coupling of single bowtie nanoantennas resonant in the visible,” Nano Lett. 4(5), 957–961 (2004).
    [CrossRef]
  19. A. Vial, A.-S. Grimault, D. Macias, D. Barchiesi, and M. L. de la Chapelle, “Improved analytical fit of gold dispersion: application to the modeling of extinction spectra with a finite-difference time-domain method,” Phys. Rev. B 71(8), 085416 (2005).
    [CrossRef]

2011 (3)

K. D. Ko, A. Kumar, K. H. Fung, R. Ambekar, G. L. Liu, N. X. Fang, and K. C. Toussaint., “Nonlinear optical response from arrays of Au bowtie nanoantennas,” Nano Lett. 11(1), 61–65 (2011).
[CrossRef] [PubMed]

Y.-F. Chau and H.-H. Yeh, “A comparative study of solid-silver and silver-shell nanodimers on surface plasmon resonances,” J. Nanopart. Res. 13(2), 637–644 (2011).
[CrossRef]

L. Wang, L. Cai, J. Zhang, W. Bai, H. Hu, and G. Song, “Design of plasmonic bowtie nanoring array with high sensitivity and reproducibility for surface-enhanced Raman scattering spectroscopy,” J. Raman Spectrosc 42(6), 1263–1266 (2011).
[CrossRef]

2010 (3)

Y.-F. Chau, H.-H. Yeh, and D. P. Tsai, “A new type of optical antenna: plasmonics nanoshell bowtie antenna with dielectric hole,” J. Electromagn. Waves Appl. 24(11), 1621–1632 (2010).
[CrossRef]

Y.-F. Chau, H.-H. Yeh, and D. P. Tsai, “Surface plasmon resonances effects on different patterns of solid-silver and silver-shell nanocylindrical pairs,” J. Electromagn. Waves Appl. 24(8), 1005–1014 (2010).
[CrossRef]

S. Aksu, A. A. Yanik, R. Adato, A. Artar, M. Huang, and H. Altug, “High-throughput nanofabrication of infrared plasmonic nanoantenna arrays for vibrational nanospectroscopy,” Nano Lett. 10(7), 2511–2518 (2010).
[CrossRef] [PubMed]

2009 (2)

R. Adato, A. A. Yanik, J. J. Amsden, D. L. Kaplan, F. G. Omenetto, M. K. Hong, S. Erramilli, and H. Altug, “Ultra-sensitive vibrational spectroscopy of protein monolayers with plasmonic nanoantenna arrays,” Proc. Natl. Acad. Sci. U.S.A. 106(46), 19227–19232 (2009).
[CrossRef] [PubMed]

M. Schnell, A. Garcia-Etxarri, A. J. Huber, K. Crozier, J. Aizpurua, and R. Hillenbrand, “Controlling the near-field oscillations of loaded plasmonic nanoantennas,” Nat. Photonics 3(5), 287–291 (2009).
[CrossRef]

2008 (5)

H. Fischer and O. J. F. Martin, “Engineering the optical response of plasmonic nanoantennas,” Opt. Express 16(12), 9144–9154 (2008).
[CrossRef] [PubMed]

S. Kim, J. Jin, Y. J. Kim, I. Y. Park, Y. Kim, and S. W. Kim, “High-harmonic generation by resonant plasmon field enhancement,” Nature 453(7196), 757–760 (2008).
[CrossRef] [PubMed]

F. Neubrech, A. Pucci, T. W. Cornelius, S. Karim, A. García-Etxarri, and J. Aizpurua, “Resonant plasmonic and vibrational coupling in a tailored nanoantenna for infrared detection,” Phys. Rev. Lett. 101(15), 157403 (2008).
[CrossRef] [PubMed]

A. Alù and N. Engheta, “Input impedance, nanocircuit loading, and radiation tuning of optical nanoantennas,” Phys. Rev. Lett. 101(4), 043901 (2008).
[CrossRef] [PubMed]

A. Alù and N. Engheta, “Tuning the scattering response of optical nanoantennas with nanocircuit loads,” Nat. Photonics 2(5), 307–310 (2008).
[CrossRef]

2007 (3)

N. Yu, E. Cubukcu, L. Diehl, D. Bour, S. Corzine, J. Zhu, G. Höfler, K. B. Crozier, and F. Capasso, “Bowtie plasmonic quantum cascade laser antenna,” Opt. Express 15(20), 13272–13281 (2007).
[CrossRef] [PubMed]

L. Wang and X. Xu, “High transmission nanoscale bowtie-shaped aperture probe for near-field optical imaging,” Appl. Phys. Lett. 90(26), 261105 (2007).
[CrossRef]

L. Novotny, “Effective wavelength scaling for optical antennas,” Phys. Rev. Lett. 98(26), 266802 (2007).
[CrossRef] [PubMed]

2005 (1)

A. Vial, A.-S. Grimault, D. Macias, D. Barchiesi, and M. L. de la Chapelle, “Improved analytical fit of gold dispersion: application to the modeling of extinction spectra with a finite-difference time-domain method,” Phys. Rev. B 71(8), 085416 (2005).
[CrossRef]

2004 (1)

D. P. Fromm, A. Sundaramurthy, P. J. Schuck, G. Kino, and W. E. Moerner, “Gap-dependent optical coupling of single bowtie nanoantennas resonant in the visible,” Nano Lett. 4(5), 957–961 (2004).
[CrossRef]

1997 (1)

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

Adato, R.

S. Aksu, A. A. Yanik, R. Adato, A. Artar, M. Huang, and H. Altug, “High-throughput nanofabrication of infrared plasmonic nanoantenna arrays for vibrational nanospectroscopy,” Nano Lett. 10(7), 2511–2518 (2010).
[CrossRef] [PubMed]

R. Adato, A. A. Yanik, J. J. Amsden, D. L. Kaplan, F. G. Omenetto, M. K. Hong, S. Erramilli, and H. Altug, “Ultra-sensitive vibrational spectroscopy of protein monolayers with plasmonic nanoantenna arrays,” Proc. Natl. Acad. Sci. U.S.A. 106(46), 19227–19232 (2009).
[CrossRef] [PubMed]

Aizpurua, J.

M. Schnell, A. Garcia-Etxarri, A. J. Huber, K. Crozier, J. Aizpurua, and R. Hillenbrand, “Controlling the near-field oscillations of loaded plasmonic nanoantennas,” Nat. Photonics 3(5), 287–291 (2009).
[CrossRef]

F. Neubrech, A. Pucci, T. W. Cornelius, S. Karim, A. García-Etxarri, and J. Aizpurua, “Resonant plasmonic and vibrational coupling in a tailored nanoantenna for infrared detection,” Phys. Rev. Lett. 101(15), 157403 (2008).
[CrossRef] [PubMed]

Aksu, S.

S. Aksu, A. A. Yanik, R. Adato, A. Artar, M. Huang, and H. Altug, “High-throughput nanofabrication of infrared plasmonic nanoantenna arrays for vibrational nanospectroscopy,” Nano Lett. 10(7), 2511–2518 (2010).
[CrossRef] [PubMed]

Altug, H.

S. Aksu, A. A. Yanik, R. Adato, A. Artar, M. Huang, and H. Altug, “High-throughput nanofabrication of infrared plasmonic nanoantenna arrays for vibrational nanospectroscopy,” Nano Lett. 10(7), 2511–2518 (2010).
[CrossRef] [PubMed]

R. Adato, A. A. Yanik, J. J. Amsden, D. L. Kaplan, F. G. Omenetto, M. K. Hong, S. Erramilli, and H. Altug, “Ultra-sensitive vibrational spectroscopy of protein monolayers with plasmonic nanoantenna arrays,” Proc. Natl. Acad. Sci. U.S.A. 106(46), 19227–19232 (2009).
[CrossRef] [PubMed]

Alù, A.

A. Alù and N. Engheta, “Input impedance, nanocircuit loading, and radiation tuning of optical nanoantennas,” Phys. Rev. Lett. 101(4), 043901 (2008).
[CrossRef] [PubMed]

A. Alù and N. Engheta, “Tuning the scattering response of optical nanoantennas with nanocircuit loads,” Nat. Photonics 2(5), 307–310 (2008).
[CrossRef]

Ambekar, R.

K. D. Ko, A. Kumar, K. H. Fung, R. Ambekar, G. L. Liu, N. X. Fang, and K. C. Toussaint., “Nonlinear optical response from arrays of Au bowtie nanoantennas,” Nano Lett. 11(1), 61–65 (2011).
[CrossRef] [PubMed]

Amsden, J. J.

R. Adato, A. A. Yanik, J. J. Amsden, D. L. Kaplan, F. G. Omenetto, M. K. Hong, S. Erramilli, and H. Altug, “Ultra-sensitive vibrational spectroscopy of protein monolayers with plasmonic nanoantenna arrays,” Proc. Natl. Acad. Sci. U.S.A. 106(46), 19227–19232 (2009).
[CrossRef] [PubMed]

Artar, A.

S. Aksu, A. A. Yanik, R. Adato, A. Artar, M. Huang, and H. Altug, “High-throughput nanofabrication of infrared plasmonic nanoantenna arrays for vibrational nanospectroscopy,” Nano Lett. 10(7), 2511–2518 (2010).
[CrossRef] [PubMed]

Averitt, R. D.

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

Bai, W.

L. Wang, L. Cai, J. Zhang, W. Bai, H. Hu, and G. Song, “Design of plasmonic bowtie nanoring array with high sensitivity and reproducibility for surface-enhanced Raman scattering spectroscopy,” J. Raman Spectrosc 42(6), 1263–1266 (2011).
[CrossRef]

Barchiesi, D.

A. Vial, A.-S. Grimault, D. Macias, D. Barchiesi, and M. L. de la Chapelle, “Improved analytical fit of gold dispersion: application to the modeling of extinction spectra with a finite-difference time-domain method,” Phys. Rev. B 71(8), 085416 (2005).
[CrossRef]

Bour, D.

Cai, L.

L. Wang, L. Cai, J. Zhang, W. Bai, H. Hu, and G. Song, “Design of plasmonic bowtie nanoring array with high sensitivity and reproducibility for surface-enhanced Raman scattering spectroscopy,” J. Raman Spectrosc 42(6), 1263–1266 (2011).
[CrossRef]

Capasso, F.

Chau, Y.-F.

Y.-F. Chau and H.-H. Yeh, “A comparative study of solid-silver and silver-shell nanodimers on surface plasmon resonances,” J. Nanopart. Res. 13(2), 637–644 (2011).
[CrossRef]

Y.-F. Chau, H.-H. Yeh, and D. P. Tsai, “Surface plasmon resonances effects on different patterns of solid-silver and silver-shell nanocylindrical pairs,” J. Electromagn. Waves Appl. 24(8), 1005–1014 (2010).
[CrossRef]

Y.-F. Chau, H.-H. Yeh, and D. P. Tsai, “A new type of optical antenna: plasmonics nanoshell bowtie antenna with dielectric hole,” J. Electromagn. Waves Appl. 24(11), 1621–1632 (2010).
[CrossRef]

Cornelius, T. W.

F. Neubrech, A. Pucci, T. W. Cornelius, S. Karim, A. García-Etxarri, and J. Aizpurua, “Resonant plasmonic and vibrational coupling in a tailored nanoantenna for infrared detection,” Phys. Rev. Lett. 101(15), 157403 (2008).
[CrossRef] [PubMed]

Corzine, S.

Crozier, K.

M. Schnell, A. Garcia-Etxarri, A. J. Huber, K. Crozier, J. Aizpurua, and R. Hillenbrand, “Controlling the near-field oscillations of loaded plasmonic nanoantennas,” Nat. Photonics 3(5), 287–291 (2009).
[CrossRef]

Crozier, K. B.

Cubukcu, E.

de la Chapelle, M. L.

A. Vial, A.-S. Grimault, D. Macias, D. Barchiesi, and M. L. de la Chapelle, “Improved analytical fit of gold dispersion: application to the modeling of extinction spectra with a finite-difference time-domain method,” Phys. Rev. B 71(8), 085416 (2005).
[CrossRef]

Diehl, L.

Engheta, N.

A. Alù and N. Engheta, “Tuning the scattering response of optical nanoantennas with nanocircuit loads,” Nat. Photonics 2(5), 307–310 (2008).
[CrossRef]

A. Alù and N. Engheta, “Input impedance, nanocircuit loading, and radiation tuning of optical nanoantennas,” Phys. Rev. Lett. 101(4), 043901 (2008).
[CrossRef] [PubMed]

Erramilli, S.

R. Adato, A. A. Yanik, J. J. Amsden, D. L. Kaplan, F. G. Omenetto, M. K. Hong, S. Erramilli, and H. Altug, “Ultra-sensitive vibrational spectroscopy of protein monolayers with plasmonic nanoantenna arrays,” Proc. Natl. Acad. Sci. U.S.A. 106(46), 19227–19232 (2009).
[CrossRef] [PubMed]

Fang, N. X.

K. D. Ko, A. Kumar, K. H. Fung, R. Ambekar, G. L. Liu, N. X. Fang, and K. C. Toussaint., “Nonlinear optical response from arrays of Au bowtie nanoantennas,” Nano Lett. 11(1), 61–65 (2011).
[CrossRef] [PubMed]

Fischer, H.

Fromm, D. P.

D. P. Fromm, A. Sundaramurthy, P. J. Schuck, G. Kino, and W. E. Moerner, “Gap-dependent optical coupling of single bowtie nanoantennas resonant in the visible,” Nano Lett. 4(5), 957–961 (2004).
[CrossRef]

Fung, K. H.

K. D. Ko, A. Kumar, K. H. Fung, R. Ambekar, G. L. Liu, N. X. Fang, and K. C. Toussaint., “Nonlinear optical response from arrays of Au bowtie nanoantennas,” Nano Lett. 11(1), 61–65 (2011).
[CrossRef] [PubMed]

Garcia-Etxarri, A.

M. Schnell, A. Garcia-Etxarri, A. J. Huber, K. Crozier, J. Aizpurua, and R. Hillenbrand, “Controlling the near-field oscillations of loaded plasmonic nanoantennas,” Nat. Photonics 3(5), 287–291 (2009).
[CrossRef]

García-Etxarri, A.

F. Neubrech, A. Pucci, T. W. Cornelius, S. Karim, A. García-Etxarri, and J. Aizpurua, “Resonant plasmonic and vibrational coupling in a tailored nanoantenna for infrared detection,” Phys. Rev. Lett. 101(15), 157403 (2008).
[CrossRef] [PubMed]

Grimault, A.-S.

A. Vial, A.-S. Grimault, D. Macias, D. Barchiesi, and M. L. de la Chapelle, “Improved analytical fit of gold dispersion: application to the modeling of extinction spectra with a finite-difference time-domain method,” Phys. Rev. B 71(8), 085416 (2005).
[CrossRef]

Halas, N. J.

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

Hillenbrand, R.

M. Schnell, A. Garcia-Etxarri, A. J. Huber, K. Crozier, J. Aizpurua, and R. Hillenbrand, “Controlling the near-field oscillations of loaded plasmonic nanoantennas,” Nat. Photonics 3(5), 287–291 (2009).
[CrossRef]

Höfler, G.

Hong, M. K.

R. Adato, A. A. Yanik, J. J. Amsden, D. L. Kaplan, F. G. Omenetto, M. K. Hong, S. Erramilli, and H. Altug, “Ultra-sensitive vibrational spectroscopy of protein monolayers with plasmonic nanoantenna arrays,” Proc. Natl. Acad. Sci. U.S.A. 106(46), 19227–19232 (2009).
[CrossRef] [PubMed]

Hu, H.

L. Wang, L. Cai, J. Zhang, W. Bai, H. Hu, and G. Song, “Design of plasmonic bowtie nanoring array with high sensitivity and reproducibility for surface-enhanced Raman scattering spectroscopy,” J. Raman Spectrosc 42(6), 1263–1266 (2011).
[CrossRef]

Huang, M.

S. Aksu, A. A. Yanik, R. Adato, A. Artar, M. Huang, and H. Altug, “High-throughput nanofabrication of infrared plasmonic nanoantenna arrays for vibrational nanospectroscopy,” Nano Lett. 10(7), 2511–2518 (2010).
[CrossRef] [PubMed]

Huber, A. J.

M. Schnell, A. Garcia-Etxarri, A. J. Huber, K. Crozier, J. Aizpurua, and R. Hillenbrand, “Controlling the near-field oscillations of loaded plasmonic nanoantennas,” Nat. Photonics 3(5), 287–291 (2009).
[CrossRef]

Jin, J.

S. Kim, J. Jin, Y. J. Kim, I. Y. Park, Y. Kim, and S. W. Kim, “High-harmonic generation by resonant plasmon field enhancement,” Nature 453(7196), 757–760 (2008).
[CrossRef] [PubMed]

Kaplan, D. L.

R. Adato, A. A. Yanik, J. J. Amsden, D. L. Kaplan, F. G. Omenetto, M. K. Hong, S. Erramilli, and H. Altug, “Ultra-sensitive vibrational spectroscopy of protein monolayers with plasmonic nanoantenna arrays,” Proc. Natl. Acad. Sci. U.S.A. 106(46), 19227–19232 (2009).
[CrossRef] [PubMed]

Karim, S.

F. Neubrech, A. Pucci, T. W. Cornelius, S. Karim, A. García-Etxarri, and J. Aizpurua, “Resonant plasmonic and vibrational coupling in a tailored nanoantenna for infrared detection,” Phys. Rev. Lett. 101(15), 157403 (2008).
[CrossRef] [PubMed]

Kim, S.

S. Kim, J. Jin, Y. J. Kim, I. Y. Park, Y. Kim, and S. W. Kim, “High-harmonic generation by resonant plasmon field enhancement,” Nature 453(7196), 757–760 (2008).
[CrossRef] [PubMed]

Kim, S. W.

S. Kim, J. Jin, Y. J. Kim, I. Y. Park, Y. Kim, and S. W. Kim, “High-harmonic generation by resonant plasmon field enhancement,” Nature 453(7196), 757–760 (2008).
[CrossRef] [PubMed]

Kim, Y.

S. Kim, J. Jin, Y. J. Kim, I. Y. Park, Y. Kim, and S. W. Kim, “High-harmonic generation by resonant plasmon field enhancement,” Nature 453(7196), 757–760 (2008).
[CrossRef] [PubMed]

Kim, Y. J.

S. Kim, J. Jin, Y. J. Kim, I. Y. Park, Y. Kim, and S. W. Kim, “High-harmonic generation by resonant plasmon field enhancement,” Nature 453(7196), 757–760 (2008).
[CrossRef] [PubMed]

Kino, G.

D. P. Fromm, A. Sundaramurthy, P. J. Schuck, G. Kino, and W. E. Moerner, “Gap-dependent optical coupling of single bowtie nanoantennas resonant in the visible,” Nano Lett. 4(5), 957–961 (2004).
[CrossRef]

Ko, K. D.

K. D. Ko, A. Kumar, K. H. Fung, R. Ambekar, G. L. Liu, N. X. Fang, and K. C. Toussaint., “Nonlinear optical response from arrays of Au bowtie nanoantennas,” Nano Lett. 11(1), 61–65 (2011).
[CrossRef] [PubMed]

Kumar, A.

K. D. Ko, A. Kumar, K. H. Fung, R. Ambekar, G. L. Liu, N. X. Fang, and K. C. Toussaint., “Nonlinear optical response from arrays of Au bowtie nanoantennas,” Nano Lett. 11(1), 61–65 (2011).
[CrossRef] [PubMed]

Liu, G. L.

K. D. Ko, A. Kumar, K. H. Fung, R. Ambekar, G. L. Liu, N. X. Fang, and K. C. Toussaint., “Nonlinear optical response from arrays of Au bowtie nanoantennas,” Nano Lett. 11(1), 61–65 (2011).
[CrossRef] [PubMed]

Macias, D.

A. Vial, A.-S. Grimault, D. Macias, D. Barchiesi, and M. L. de la Chapelle, “Improved analytical fit of gold dispersion: application to the modeling of extinction spectra with a finite-difference time-domain method,” Phys. Rev. B 71(8), 085416 (2005).
[CrossRef]

Martin, O. J. F.

Moerner, W. E.

D. P. Fromm, A. Sundaramurthy, P. J. Schuck, G. Kino, and W. E. Moerner, “Gap-dependent optical coupling of single bowtie nanoantennas resonant in the visible,” Nano Lett. 4(5), 957–961 (2004).
[CrossRef]

Neubrech, F.

F. Neubrech, A. Pucci, T. W. Cornelius, S. Karim, A. García-Etxarri, and J. Aizpurua, “Resonant plasmonic and vibrational coupling in a tailored nanoantenna for infrared detection,” Phys. Rev. Lett. 101(15), 157403 (2008).
[CrossRef] [PubMed]

Novotny, L.

L. Novotny, “Effective wavelength scaling for optical antennas,” Phys. Rev. Lett. 98(26), 266802 (2007).
[CrossRef] [PubMed]

Omenetto, F. G.

R. Adato, A. A. Yanik, J. J. Amsden, D. L. Kaplan, F. G. Omenetto, M. K. Hong, S. Erramilli, and H. Altug, “Ultra-sensitive vibrational spectroscopy of protein monolayers with plasmonic nanoantenna arrays,” Proc. Natl. Acad. Sci. U.S.A. 106(46), 19227–19232 (2009).
[CrossRef] [PubMed]

Park, I. Y.

S. Kim, J. Jin, Y. J. Kim, I. Y. Park, Y. Kim, and S. W. Kim, “High-harmonic generation by resonant plasmon field enhancement,” Nature 453(7196), 757–760 (2008).
[CrossRef] [PubMed]

Pucci, A.

F. Neubrech, A. Pucci, T. W. Cornelius, S. Karim, A. García-Etxarri, and J. Aizpurua, “Resonant plasmonic and vibrational coupling in a tailored nanoantenna for infrared detection,” Phys. Rev. Lett. 101(15), 157403 (2008).
[CrossRef] [PubMed]

Sarkar, D.

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

Schnell, M.

M. Schnell, A. Garcia-Etxarri, A. J. Huber, K. Crozier, J. Aizpurua, and R. Hillenbrand, “Controlling the near-field oscillations of loaded plasmonic nanoantennas,” Nat. Photonics 3(5), 287–291 (2009).
[CrossRef]

Schuck, P. J.

D. P. Fromm, A. Sundaramurthy, P. J. Schuck, G. Kino, and W. E. Moerner, “Gap-dependent optical coupling of single bowtie nanoantennas resonant in the visible,” Nano Lett. 4(5), 957–961 (2004).
[CrossRef]

Song, G.

L. Wang, L. Cai, J. Zhang, W. Bai, H. Hu, and G. Song, “Design of plasmonic bowtie nanoring array with high sensitivity and reproducibility for surface-enhanced Raman scattering spectroscopy,” J. Raman Spectrosc 42(6), 1263–1266 (2011).
[CrossRef]

Sundaramurthy, A.

D. P. Fromm, A. Sundaramurthy, P. J. Schuck, G. Kino, and W. E. Moerner, “Gap-dependent optical coupling of single bowtie nanoantennas resonant in the visible,” Nano Lett. 4(5), 957–961 (2004).
[CrossRef]

Toussaint, K. C.

K. D. Ko, A. Kumar, K. H. Fung, R. Ambekar, G. L. Liu, N. X. Fang, and K. C. Toussaint., “Nonlinear optical response from arrays of Au bowtie nanoantennas,” Nano Lett. 11(1), 61–65 (2011).
[CrossRef] [PubMed]

Tsai, D. P.

Y.-F. Chau, H.-H. Yeh, and D. P. Tsai, “A new type of optical antenna: plasmonics nanoshell bowtie antenna with dielectric hole,” J. Electromagn. Waves Appl. 24(11), 1621–1632 (2010).
[CrossRef]

Y.-F. Chau, H.-H. Yeh, and D. P. Tsai, “Surface plasmon resonances effects on different patterns of solid-silver and silver-shell nanocylindrical pairs,” J. Electromagn. Waves Appl. 24(8), 1005–1014 (2010).
[CrossRef]

Vial, A.

A. Vial, A.-S. Grimault, D. Macias, D. Barchiesi, and M. L. de la Chapelle, “Improved analytical fit of gold dispersion: application to the modeling of extinction spectra with a finite-difference time-domain method,” Phys. Rev. B 71(8), 085416 (2005).
[CrossRef]

Wang, L.

L. Wang, L. Cai, J. Zhang, W. Bai, H. Hu, and G. Song, “Design of plasmonic bowtie nanoring array with high sensitivity and reproducibility for surface-enhanced Raman scattering spectroscopy,” J. Raman Spectrosc 42(6), 1263–1266 (2011).
[CrossRef]

L. Wang and X. Xu, “High transmission nanoscale bowtie-shaped aperture probe for near-field optical imaging,” Appl. Phys. Lett. 90(26), 261105 (2007).
[CrossRef]

Xu, X.

L. Wang and X. Xu, “High transmission nanoscale bowtie-shaped aperture probe for near-field optical imaging,” Appl. Phys. Lett. 90(26), 261105 (2007).
[CrossRef]

Yanik, A. A.

S. Aksu, A. A. Yanik, R. Adato, A. Artar, M. Huang, and H. Altug, “High-throughput nanofabrication of infrared plasmonic nanoantenna arrays for vibrational nanospectroscopy,” Nano Lett. 10(7), 2511–2518 (2010).
[CrossRef] [PubMed]

R. Adato, A. A. Yanik, J. J. Amsden, D. L. Kaplan, F. G. Omenetto, M. K. Hong, S. Erramilli, and H. Altug, “Ultra-sensitive vibrational spectroscopy of protein monolayers with plasmonic nanoantenna arrays,” Proc. Natl. Acad. Sci. U.S.A. 106(46), 19227–19232 (2009).
[CrossRef] [PubMed]

Yeh, H.-H.

Y.-F. Chau and H.-H. Yeh, “A comparative study of solid-silver and silver-shell nanodimers on surface plasmon resonances,” J. Nanopart. Res. 13(2), 637–644 (2011).
[CrossRef]

Y.-F. Chau, H.-H. Yeh, and D. P. Tsai, “Surface plasmon resonances effects on different patterns of solid-silver and silver-shell nanocylindrical pairs,” J. Electromagn. Waves Appl. 24(8), 1005–1014 (2010).
[CrossRef]

Y.-F. Chau, H.-H. Yeh, and D. P. Tsai, “A new type of optical antenna: plasmonics nanoshell bowtie antenna with dielectric hole,” J. Electromagn. Waves Appl. 24(11), 1621–1632 (2010).
[CrossRef]

Yu, N.

Zhang, J.

L. Wang, L. Cai, J. Zhang, W. Bai, H. Hu, and G. Song, “Design of plasmonic bowtie nanoring array with high sensitivity and reproducibility for surface-enhanced Raman scattering spectroscopy,” J. Raman Spectrosc 42(6), 1263–1266 (2011).
[CrossRef]

Zhu, J.

Appl. Phys. Lett. (1)

L. Wang and X. Xu, “High transmission nanoscale bowtie-shaped aperture probe for near-field optical imaging,” Appl. Phys. Lett. 90(26), 261105 (2007).
[CrossRef]

J. Electromagn. Waves Appl. (2)

Y.-F. Chau, H.-H. Yeh, and D. P. Tsai, “A new type of optical antenna: plasmonics nanoshell bowtie antenna with dielectric hole,” J. Electromagn. Waves Appl. 24(11), 1621–1632 (2010).
[CrossRef]

Y.-F. Chau, H.-H. Yeh, and D. P. Tsai, “Surface plasmon resonances effects on different patterns of solid-silver and silver-shell nanocylindrical pairs,” J. Electromagn. Waves Appl. 24(8), 1005–1014 (2010).
[CrossRef]

J. Nanopart. Res. (1)

Y.-F. Chau and H.-H. Yeh, “A comparative study of solid-silver and silver-shell nanodimers on surface plasmon resonances,” J. Nanopart. Res. 13(2), 637–644 (2011).
[CrossRef]

J. Raman Spectrosc (1)

L. Wang, L. Cai, J. Zhang, W. Bai, H. Hu, and G. Song, “Design of plasmonic bowtie nanoring array with high sensitivity and reproducibility for surface-enhanced Raman scattering spectroscopy,” J. Raman Spectrosc 42(6), 1263–1266 (2011).
[CrossRef]

Nano Lett. (3)

S. Aksu, A. A. Yanik, R. Adato, A. Artar, M. Huang, and H. Altug, “High-throughput nanofabrication of infrared plasmonic nanoantenna arrays for vibrational nanospectroscopy,” Nano Lett. 10(7), 2511–2518 (2010).
[CrossRef] [PubMed]

K. D. Ko, A. Kumar, K. H. Fung, R. Ambekar, G. L. Liu, N. X. Fang, and K. C. Toussaint., “Nonlinear optical response from arrays of Au bowtie nanoantennas,” Nano Lett. 11(1), 61–65 (2011).
[CrossRef] [PubMed]

D. P. Fromm, A. Sundaramurthy, P. J. Schuck, G. Kino, and W. E. Moerner, “Gap-dependent optical coupling of single bowtie nanoantennas resonant in the visible,” Nano Lett. 4(5), 957–961 (2004).
[CrossRef]

Nat. Photonics (2)

A. Alù and N. Engheta, “Tuning the scattering response of optical nanoantennas with nanocircuit loads,” Nat. Photonics 2(5), 307–310 (2008).
[CrossRef]

M. Schnell, A. Garcia-Etxarri, A. J. Huber, K. Crozier, J. Aizpurua, and R. Hillenbrand, “Controlling the near-field oscillations of loaded plasmonic nanoantennas,” Nat. Photonics 3(5), 287–291 (2009).
[CrossRef]

Nature (1)

S. Kim, J. Jin, Y. J. Kim, I. Y. Park, Y. Kim, and S. W. Kim, “High-harmonic generation by resonant plasmon field enhancement,” Nature 453(7196), 757–760 (2008).
[CrossRef] [PubMed]

Opt. Express (2)

Phys. Rev. B (1)

A. Vial, A.-S. Grimault, D. Macias, D. Barchiesi, and M. L. de la Chapelle, “Improved analytical fit of gold dispersion: application to the modeling of extinction spectra with a finite-difference time-domain method,” Phys. Rev. B 71(8), 085416 (2005).
[CrossRef]

Phys. Rev. Lett. (4)

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

L. Novotny, “Effective wavelength scaling for optical antennas,” Phys. Rev. Lett. 98(26), 266802 (2007).
[CrossRef] [PubMed]

A. Alù and N. Engheta, “Input impedance, nanocircuit loading, and radiation tuning of optical nanoantennas,” Phys. Rev. Lett. 101(4), 043901 (2008).
[CrossRef] [PubMed]

F. Neubrech, A. Pucci, T. W. Cornelius, S. Karim, A. García-Etxarri, and J. Aizpurua, “Resonant plasmonic and vibrational coupling in a tailored nanoantenna for infrared detection,” Phys. Rev. Lett. 101(15), 157403 (2008).
[CrossRef] [PubMed]

Proc. Natl. Acad. Sci. U.S.A. (1)

R. Adato, A. A. Yanik, J. J. Amsden, D. L. Kaplan, F. G. Omenetto, M. K. Hong, S. Erramilli, and H. Altug, “Ultra-sensitive vibrational spectroscopy of protein monolayers with plasmonic nanoantenna arrays,” Proc. Natl. Acad. Sci. U.S.A. 106(46), 19227–19232 (2009).
[CrossRef] [PubMed]

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Figures (4)

Fig. 1
Fig. 1

Schematic representations of the simulation geometries: (a) bowtie antenna and (b) contour bowtie antenna.

Fig. 2
Fig. 2

(a) Broadband enhancement factors for a bowtie antenna and contour bowtie antennas with t = {40,60,80}nm and a length, x = 475nm. (b) λres versus antenna length for a bowtie antenna and a t = 50nm contour bowtie antenna, each with a length, x = 475nm. (c) λres versus contour thickness, t, for an antenna length, x = 475nm. λres for a bowtie antenna with x = 475nm is shown for reference. (d) Paraboloid fit to 70 simulated data points relating λres to {x,t}.

Fig. 3
Fig. 3

Logarithmic scale intensity distributions at spectral points of interest: (a) Secondary resonance at λ = 1.2μm, (b) anti-resonance at λ = 1.5μm, (c) primary resonance at λ = 2.2μm, and (d) above resonance at λ = 3.9μm.

Fig. 4
Fig. 4

(a) Schematic representation of a contour bowtie antenna with tv t. (b) λres versus tv for {x,t} = {475,30}nm. λres for a bowtie antenna is shown for reference. (c) Schematic representation of a contour bowtie antenna with a shifted vertical edge. (d) λres versus edge displacement, d. The case when the vertical edge is removed altogether is shown for reference.

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