Abstract

Surface Plasmon Polaritons (SPPs) are excited at the interface between a thin gold film and air via the illumination of nanoslits etched into the film. The coupling efficiency to the two propagation directions away from the slits is determined by leakage radiation microscopy, when the angle of incidence of the pump beam is changed from 0° to 20°. We find that preferential coupling of SPPs into one direction can be achieved for non-normal incidence in the case of single slits and slit pairs. The proportion of SPP excited into one direction can be in excess of 90%. We further provide a simple model of the process, and directly compare the performances of the two approaches.

© 2012 OSA

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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef] [PubMed]
  27. A. Bouhelier, T. Huser, H. Tamaru, H.-J. Güntherodt, D. W. Pohl, F. I. Baida, and D. Van Labeke, “Plasmon optics of structured silver films,” Phys. Rev. B 63, 155404 (2001).
    [CrossRef]
  28. A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, “How to erase surface plasmon fringes,” Appl. Phys. Lett. 89, 091117 (2006).
    [CrossRef]
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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef]
  34. X. Y. Yang, H. T. Liu, and P. Lalanne, “Cross conversion between surface plasmon polaritons and quasicylindrical waves,” Phys. Rev. Lett. 102, 153903 (2009).
    [CrossRef] [PubMed]
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    [CrossRef]

2011

A. Baron, E. Devaux, J.-C. Rodier, J.-P. Hugonin, E. Rousseau, C. Genet, T. W. Ebbesen, and P. Lalanne, “Compact antenna for efficient and unidirectional launching and decoupling of surface plasmons,” Nano Lett. 11, 4207–4212 (2011).
[CrossRef] [PubMed]

J. Chen, Z. Li, S. Yue, and Q. Gong, “Ultracompact surface-plasmon-polariton splitter based on modulations of quasicylindrical waves to the total field,” J. Appl. Phys. 109, 073102 (2011).
[CrossRef]

X. Li, Q. Tan, B. Bai, and G. Jin, “Experimental demonstration of tunable directional excitation of surface plasmon polaritons with a subwavelength metallic double slit,” Appl. Phys. Lett. 98, 251109 (2011).
[CrossRef]

M.-D. He, Z.-Q. Gong, S. Li, Y.-F. Luo, J.-Q. Liu, and X. Chen, “Plasmonic coupler based on the nanoslit with bump,” Opt. Commun. 284, 368 – 372 (2011).
[CrossRef]

L. Li, T. Li, S. Wang, S. Zhu, and X. Zhang, “Broad band focusing and demultiplexing of in-plane propagating surface plasmons,” Nano Lett. 11, 4357–4361 (2011).
[CrossRef] [PubMed]

J. Le Perchec, A. Barbara, and P. Qumerais, “Near-, mesoscopic and far-field regimes of a subwavelength young’s double-slit,” New J. Phys. 13, 083025 (2011).
[CrossRef]

2010

J. Wang, C. Zhao, and J. Zhang, “Does the leakage radiation profile mirror the intensity profile of surface plasmon polaritons?” Opt. Lett. 35, 1944–1946 (2010).
[CrossRef] [PubMed]

M. W. Maqsood, R. Mehfuz, and K. J. Chau, “High-throughput diffraction-assisted surface-plasmon-polariton coupling by a super-wavelength slit,” Opt. Express 18, 21669–21677 (2010).
[CrossRef] [PubMed]

J. Chen, Z. Li, S. Yue, and Q. Gong, “Efficient unidirectional generation of surface plasmon polaritons with asymmetric single-nanoslit,” Appl. Phys. Lett. 97, 041113 (2010).
[CrossRef]

Y. Wang, L. Wang, J. Liu, X. Zhai, L. Wang, D. Xiang, Q. Wan, and B. Meng, “Plasmonic surface-wave bidirectional splitter in different angles of incident light,” Opt. Commun. 283, 1777 – 1779 (2010).
[CrossRef]

M. L. Brongersma and V. M. Shalaev, “The case for plasmonics,” Science 328, 440–441 (2010).
[CrossRef] [PubMed]

2009

B. Bai, X. Meng, J. Laukkanen, T. Sfez, L. Yu, W. Nakagawa, H. P. Herzig, L. Li, and J. Turunen, “Asymmetrical excitation of surface plasmon polaritons on blazed gratings at normal incidence,” Phys. Rev. B 80, 035407 (2009).
[CrossRef]

D.-S. Kim, J. Heo, S.-H. Ahn, S. W. Han, W. S. Yun, and Z. H. Kim, “Real-space mapping of the strongly coupled plasmons of nanoparticle dimers,” Nano. Lett. 9, 3619–3625 (2009).
[CrossRef] [PubMed]

G. Lerosey, D. F. P. Pile, P. Matheu, G. Bartal, and X. Zhang, “Controlling the phase and amplitude of plasmon sources at a subwavelength scale,” Nano Lett. 9, 327–331 (2009).
[CrossRef]

B. Wang, L. Aigouy, E. Bourhis, J. Gierak, J. P. Hugonin, and P. Lalanne, “Efficient generation of surface plasmon by single-nanoslit illumination under highly oblique incidence,” Appl. Phys. Lett. 94, 011114 (2009).
[CrossRef]

X. Y. Yang, H. T. Liu, and P. Lalanne, “Cross conversion between surface plasmon polaritons and quasicylindrical waves,” Phys. Rev. Lett. 102, 153903 (2009).
[CrossRef] [PubMed]

I. P. Radko, S. I. Bozhevolnyi, G. Brucoli, L. Martín-Moreno, F. J. García-Vidal, and A. Boltasseva, “Efficient unidirectional ridge excitation of surface plasmons,” Opt. Express 17, 7228–7232 (2009).
[CrossRef] [PubMed]

Y. Wang, X. Zhang, H. Tang, K. Yang, Y. Wang, Y. Song, T. huei Wei, and C. H. Wang, “A tunable unidirectional surface plasmon polaritons source,” Opt. Express 17, 20457–20464 (2009).
[CrossRef] [PubMed]

2008

A. Drezet, A. Hohenau, D. Koller, A. Stepanov, H. Ditlbacher, B. Steinberger, F. Aussenegg, A. Leitner, and J. Krenn, “Leakage radiation microscopy of surface plasmon polaritons,” Mat. Sci. Eng. B 149, 220 – 229 (2008).
[CrossRef]

H. W. Kihm, K. G. Lee, D. S. Kim, J. H. Kang, and Q.-H. Park, “Control of surface plasmon generation efficiency by slit-width tuning,” Appl. Phys. Lett. 92, 051115 (2008).
[CrossRef]

T. Xu, Y. Zhao, D. Gan, C. Wang, C. Du, and X. Luo, “Directional excitation of surface plasmons with subwave-length slits,” Appl. Phys. Lett. 92, 101501 (2008).
[CrossRef]

H. Liu, P. Lalanne, X. Yang, and J.-P. Hugonin, “Surface plasmon generation by subwavelength isolated objects,” IEEE J. Sel. Top. Quantum Electron. 14, 1522 (2008).
[CrossRef]

2007

F. López-Tejeira, S. G. Rodrigo, L. Martín-Moreno, F. J. García-Vidal, E. Devaux, T. W. Ebbesen, J. R. Krenn, I. P. Radko, S. I. Bozhevolnyi, M. U. González, J. C. Weeber, and A. Dereux, “Efficient unidirectional nanoslit couplers for surface plasmons,” Nat. Phys. 3, 324 (2007).
[CrossRef]

J.-Y. Laluet, E. Devaux, C. Genet, T. W. Ebbesen, J.-C. Weeber, and A. Dereux, “Optimization of surface plasmons launching from subwavelength hole arrays: modelling and experiments,” Opt. Express 15, 3488–3495 (2007).
[CrossRef] [PubMed]

N. Bonod, E. Popov, L. Li, and B. Chernov, “Unidirectional excitation of surface plasmons by slanted gratings,” Opt. Express 15, 11427–11432 (2007).
[CrossRef] [PubMed]

2006

P. Lalanne, J. P. Hugonin, and J. C. Rodier, “Approximate model for surface-plasmon generation at slit apertures,” J. Opt. Soc. Am. A 23, 1608–1615 (2006).
[CrossRef]

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, “How to erase surface plasmon fringes,” Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

S. Maier, “Effective mode volume of nanoscale plasmon cavities,” Opt. Quantum Electron. 38, 257–267 (2006).
[CrossRef]

2005

P. Lalanne, J. P. Hugonin, and J. C. Rodier, “Theory of surface plasmon generation at nanoslit apertures,” Phys. Rev. Lett. 95, 263902 (2005).
[CrossRef]

H. F. Schouten, N. Kuzmin, G. Dubois, T. D. Visser, G. Gbur, P. F. A. Alkemade, H. Blok, G. W. t. Hooft, D. Lenstra, and E. R. Eliel, “Plasmon-assisted two-slit transmission: Young’s experiment revisited,” Phys. Rev. Lett. 94, 053901 (2005).
[CrossRef] [PubMed]

2004

D. Egorov, B. S. Dennis, G. Blumberg, and M. I. Haftel, “Two-dimensional control of surface plasmons and directional beaming from arrays of subwavelength apertures,” Phys. Rev. B 70, 033404 (2004).
[CrossRef]

2001

A. Bouhelier, T. Huser, H. Tamaru, H.-J. Güntherodt, D. W. Pohl, F. I. Baida, and D. Van Labeke, “Plasmon optics of structured silver films,” Phys. Rev. B 63, 155404 (2001).
[CrossRef]

1972

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

Ahn, S.-H.

D.-S. Kim, J. Heo, S.-H. Ahn, S. W. Han, W. S. Yun, and Z. H. Kim, “Real-space mapping of the strongly coupled plasmons of nanoparticle dimers,” Nano. Lett. 9, 3619–3625 (2009).
[CrossRef] [PubMed]

Aigouy, L.

B. Wang, L. Aigouy, E. Bourhis, J. Gierak, J. P. Hugonin, and P. Lalanne, “Efficient generation of surface plasmon by single-nanoslit illumination under highly oblique incidence,” Appl. Phys. Lett. 94, 011114 (2009).
[CrossRef]

Alkemade, P. F. A.

H. F. Schouten, N. Kuzmin, G. Dubois, T. D. Visser, G. Gbur, P. F. A. Alkemade, H. Blok, G. W. t. Hooft, D. Lenstra, and E. R. Eliel, “Plasmon-assisted two-slit transmission: Young’s experiment revisited,” Phys. Rev. Lett. 94, 053901 (2005).
[CrossRef] [PubMed]

Aussenegg, F.

A. Drezet, A. Hohenau, D. Koller, A. Stepanov, H. Ditlbacher, B. Steinberger, F. Aussenegg, A. Leitner, and J. Krenn, “Leakage radiation microscopy of surface plasmon polaritons,” Mat. Sci. Eng. B 149, 220 – 229 (2008).
[CrossRef]

Aussenegg, F. R.

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, “How to erase surface plasmon fringes,” Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Bai, B.

X. Li, Q. Tan, B. Bai, and G. Jin, “Experimental demonstration of tunable directional excitation of surface plasmon polaritons with a subwavelength metallic double slit,” Appl. Phys. Lett. 98, 251109 (2011).
[CrossRef]

B. Bai, X. Meng, J. Laukkanen, T. Sfez, L. Yu, W. Nakagawa, H. P. Herzig, L. Li, and J. Turunen, “Asymmetrical excitation of surface plasmon polaritons on blazed gratings at normal incidence,” Phys. Rev. B 80, 035407 (2009).
[CrossRef]

Baida, F. I.

A. Bouhelier, T. Huser, H. Tamaru, H.-J. Güntherodt, D. W. Pohl, F. I. Baida, and D. Van Labeke, “Plasmon optics of structured silver films,” Phys. Rev. B 63, 155404 (2001).
[CrossRef]

Barbara, A.

J. Le Perchec, A. Barbara, and P. Qumerais, “Near-, mesoscopic and far-field regimes of a subwavelength young’s double-slit,” New J. Phys. 13, 083025 (2011).
[CrossRef]

Baron, A.

A. Baron, E. Devaux, J.-C. Rodier, J.-P. Hugonin, E. Rousseau, C. Genet, T. W. Ebbesen, and P. Lalanne, “Compact antenna for efficient and unidirectional launching and decoupling of surface plasmons,” Nano Lett. 11, 4207–4212 (2011).
[CrossRef] [PubMed]

Bartal, G.

G. Lerosey, D. F. P. Pile, P. Matheu, G. Bartal, and X. Zhang, “Controlling the phase and amplitude of plasmon sources at a subwavelength scale,” Nano Lett. 9, 327–331 (2009).
[CrossRef]

Blok, H.

H. F. Schouten, N. Kuzmin, G. Dubois, T. D. Visser, G. Gbur, P. F. A. Alkemade, H. Blok, G. W. t. Hooft, D. Lenstra, and E. R. Eliel, “Plasmon-assisted two-slit transmission: Young’s experiment revisited,” Phys. Rev. Lett. 94, 053901 (2005).
[CrossRef] [PubMed]

Blumberg, G.

D. Egorov, B. S. Dennis, G. Blumberg, and M. I. Haftel, “Two-dimensional control of surface plasmons and directional beaming from arrays of subwavelength apertures,” Phys. Rev. B 70, 033404 (2004).
[CrossRef]

Boltasseva, A.

Bonod, N.

Bouhelier, A.

A. Bouhelier, T. Huser, H. Tamaru, H.-J. Güntherodt, D. W. Pohl, F. I. Baida, and D. Van Labeke, “Plasmon optics of structured silver films,” Phys. Rev. B 63, 155404 (2001).
[CrossRef]

Bourhis, E.

B. Wang, L. Aigouy, E. Bourhis, J. Gierak, J. P. Hugonin, and P. Lalanne, “Efficient generation of surface plasmon by single-nanoslit illumination under highly oblique incidence,” Appl. Phys. Lett. 94, 011114 (2009).
[CrossRef]

Bozhevolnyi, S. I.

I. P. Radko, S. I. Bozhevolnyi, G. Brucoli, L. Martín-Moreno, F. J. García-Vidal, and A. Boltasseva, “Efficient unidirectional ridge excitation of surface plasmons,” Opt. Express 17, 7228–7232 (2009).
[CrossRef] [PubMed]

F. López-Tejeira, S. G. Rodrigo, L. Martín-Moreno, F. J. García-Vidal, E. Devaux, T. W. Ebbesen, J. R. Krenn, I. P. Radko, S. I. Bozhevolnyi, M. U. González, J. C. Weeber, and A. Dereux, “Efficient unidirectional nanoslit couplers for surface plasmons,” Nat. Phys. 3, 324 (2007).
[CrossRef]

Brongersma, M. L.

M. L. Brongersma and V. M. Shalaev, “The case for plasmonics,” Science 328, 440–441 (2010).
[CrossRef] [PubMed]

Brucoli, G.

Chau, K. J.

Chen, J.

J. Chen, Z. Li, S. Yue, and Q. Gong, “Ultracompact surface-plasmon-polariton splitter based on modulations of quasicylindrical waves to the total field,” J. Appl. Phys. 109, 073102 (2011).
[CrossRef]

J. Chen, Z. Li, S. Yue, and Q. Gong, “Efficient unidirectional generation of surface plasmon polaritons with asymmetric single-nanoslit,” Appl. Phys. Lett. 97, 041113 (2010).
[CrossRef]

Chen, X.

M.-D. He, Z.-Q. Gong, S. Li, Y.-F. Luo, J.-Q. Liu, and X. Chen, “Plasmonic coupler based on the nanoslit with bump,” Opt. Commun. 284, 368 – 372 (2011).
[CrossRef]

Chernov, B.

Christy, R. W.

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

Dennis, B. S.

D. Egorov, B. S. Dennis, G. Blumberg, and M. I. Haftel, “Two-dimensional control of surface plasmons and directional beaming from arrays of subwavelength apertures,” Phys. Rev. B 70, 033404 (2004).
[CrossRef]

Dereux, A.

F. López-Tejeira, S. G. Rodrigo, L. Martín-Moreno, F. J. García-Vidal, E. Devaux, T. W. Ebbesen, J. R. Krenn, I. P. Radko, S. I. Bozhevolnyi, M. U. González, J. C. Weeber, and A. Dereux, “Efficient unidirectional nanoslit couplers for surface plasmons,” Nat. Phys. 3, 324 (2007).
[CrossRef]

J.-Y. Laluet, E. Devaux, C. Genet, T. W. Ebbesen, J.-C. Weeber, and A. Dereux, “Optimization of surface plasmons launching from subwavelength hole arrays: modelling and experiments,” Opt. Express 15, 3488–3495 (2007).
[CrossRef] [PubMed]

Devaux, E.

A. Baron, E. Devaux, J.-C. Rodier, J.-P. Hugonin, E. Rousseau, C. Genet, T. W. Ebbesen, and P. Lalanne, “Compact antenna for efficient and unidirectional launching and decoupling of surface plasmons,” Nano Lett. 11, 4207–4212 (2011).
[CrossRef] [PubMed]

F. López-Tejeira, S. G. Rodrigo, L. Martín-Moreno, F. J. García-Vidal, E. Devaux, T. W. Ebbesen, J. R. Krenn, I. P. Radko, S. I. Bozhevolnyi, M. U. González, J. C. Weeber, and A. Dereux, “Efficient unidirectional nanoslit couplers for surface plasmons,” Nat. Phys. 3, 324 (2007).
[CrossRef]

J.-Y. Laluet, E. Devaux, C. Genet, T. W. Ebbesen, J.-C. Weeber, and A. Dereux, “Optimization of surface plasmons launching from subwavelength hole arrays: modelling and experiments,” Opt. Express 15, 3488–3495 (2007).
[CrossRef] [PubMed]

Ditlbacher, H.

A. Drezet, A. Hohenau, D. Koller, A. Stepanov, H. Ditlbacher, B. Steinberger, F. Aussenegg, A. Leitner, and J. Krenn, “Leakage radiation microscopy of surface plasmon polaritons,” Mat. Sci. Eng. B 149, 220 – 229 (2008).
[CrossRef]

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, “How to erase surface plasmon fringes,” Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Drezet, A.

A. Drezet, A. Hohenau, D. Koller, A. Stepanov, H. Ditlbacher, B. Steinberger, F. Aussenegg, A. Leitner, and J. Krenn, “Leakage radiation microscopy of surface plasmon polaritons,” Mat. Sci. Eng. B 149, 220 – 229 (2008).
[CrossRef]

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, “How to erase surface plasmon fringes,” Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Du, C.

T. Xu, Y. Zhao, D. Gan, C. Wang, C. Du, and X. Luo, “Directional excitation of surface plasmons with subwave-length slits,” Appl. Phys. Lett. 92, 101501 (2008).
[CrossRef]

Dubois, G.

H. F. Schouten, N. Kuzmin, G. Dubois, T. D. Visser, G. Gbur, P. F. A. Alkemade, H. Blok, G. W. t. Hooft, D. Lenstra, and E. R. Eliel, “Plasmon-assisted two-slit transmission: Young’s experiment revisited,” Phys. Rev. Lett. 94, 053901 (2005).
[CrossRef] [PubMed]

Ebbesen, T. W.

A. Baron, E. Devaux, J.-C. Rodier, J.-P. Hugonin, E. Rousseau, C. Genet, T. W. Ebbesen, and P. Lalanne, “Compact antenna for efficient and unidirectional launching and decoupling of surface plasmons,” Nano Lett. 11, 4207–4212 (2011).
[CrossRef] [PubMed]

F. López-Tejeira, S. G. Rodrigo, L. Martín-Moreno, F. J. García-Vidal, E. Devaux, T. W. Ebbesen, J. R. Krenn, I. P. Radko, S. I. Bozhevolnyi, M. U. González, J. C. Weeber, and A. Dereux, “Efficient unidirectional nanoslit couplers for surface plasmons,” Nat. Phys. 3, 324 (2007).
[CrossRef]

J.-Y. Laluet, E. Devaux, C. Genet, T. W. Ebbesen, J.-C. Weeber, and A. Dereux, “Optimization of surface plasmons launching from subwavelength hole arrays: modelling and experiments,” Opt. Express 15, 3488–3495 (2007).
[CrossRef] [PubMed]

Egorov, D.

D. Egorov, B. S. Dennis, G. Blumberg, and M. I. Haftel, “Two-dimensional control of surface plasmons and directional beaming from arrays of subwavelength apertures,” Phys. Rev. B 70, 033404 (2004).
[CrossRef]

Eliel, E. R.

H. F. Schouten, N. Kuzmin, G. Dubois, T. D. Visser, G. Gbur, P. F. A. Alkemade, H. Blok, G. W. t. Hooft, D. Lenstra, and E. R. Eliel, “Plasmon-assisted two-slit transmission: Young’s experiment revisited,” Phys. Rev. Lett. 94, 053901 (2005).
[CrossRef] [PubMed]

Galler, N.

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, “How to erase surface plasmon fringes,” Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Gan, D.

T. Xu, Y. Zhao, D. Gan, C. Wang, C. Du, and X. Luo, “Directional excitation of surface plasmons with subwave-length slits,” Appl. Phys. Lett. 92, 101501 (2008).
[CrossRef]

García-Vidal, F. J.

I. P. Radko, S. I. Bozhevolnyi, G. Brucoli, L. Martín-Moreno, F. J. García-Vidal, and A. Boltasseva, “Efficient unidirectional ridge excitation of surface plasmons,” Opt. Express 17, 7228–7232 (2009).
[CrossRef] [PubMed]

F. López-Tejeira, S. G. Rodrigo, L. Martín-Moreno, F. J. García-Vidal, E. Devaux, T. W. Ebbesen, J. R. Krenn, I. P. Radko, S. I. Bozhevolnyi, M. U. González, J. C. Weeber, and A. Dereux, “Efficient unidirectional nanoslit couplers for surface plasmons,” Nat. Phys. 3, 324 (2007).
[CrossRef]

Gbur, G.

H. F. Schouten, N. Kuzmin, G. Dubois, T. D. Visser, G. Gbur, P. F. A. Alkemade, H. Blok, G. W. t. Hooft, D. Lenstra, and E. R. Eliel, “Plasmon-assisted two-slit transmission: Young’s experiment revisited,” Phys. Rev. Lett. 94, 053901 (2005).
[CrossRef] [PubMed]

Genet, C.

A. Baron, E. Devaux, J.-C. Rodier, J.-P. Hugonin, E. Rousseau, C. Genet, T. W. Ebbesen, and P. Lalanne, “Compact antenna for efficient and unidirectional launching and decoupling of surface plasmons,” Nano Lett. 11, 4207–4212 (2011).
[CrossRef] [PubMed]

J.-Y. Laluet, E. Devaux, C. Genet, T. W. Ebbesen, J.-C. Weeber, and A. Dereux, “Optimization of surface plasmons launching from subwavelength hole arrays: modelling and experiments,” Opt. Express 15, 3488–3495 (2007).
[CrossRef] [PubMed]

Gierak, J.

B. Wang, L. Aigouy, E. Bourhis, J. Gierak, J. P. Hugonin, and P. Lalanne, “Efficient generation of surface plasmon by single-nanoslit illumination under highly oblique incidence,” Appl. Phys. Lett. 94, 011114 (2009).
[CrossRef]

Gong, Q.

J. Chen, Z. Li, S. Yue, and Q. Gong, “Ultracompact surface-plasmon-polariton splitter based on modulations of quasicylindrical waves to the total field,” J. Appl. Phys. 109, 073102 (2011).
[CrossRef]

J. Chen, Z. Li, S. Yue, and Q. Gong, “Efficient unidirectional generation of surface plasmon polaritons with asymmetric single-nanoslit,” Appl. Phys. Lett. 97, 041113 (2010).
[CrossRef]

Gong, Z.-Q.

M.-D. He, Z.-Q. Gong, S. Li, Y.-F. Luo, J.-Q. Liu, and X. Chen, “Plasmonic coupler based on the nanoslit with bump,” Opt. Commun. 284, 368 – 372 (2011).
[CrossRef]

González, M. U.

F. López-Tejeira, S. G. Rodrigo, L. Martín-Moreno, F. J. García-Vidal, E. Devaux, T. W. Ebbesen, J. R. Krenn, I. P. Radko, S. I. Bozhevolnyi, M. U. González, J. C. Weeber, and A. Dereux, “Efficient unidirectional nanoslit couplers for surface plasmons,” Nat. Phys. 3, 324 (2007).
[CrossRef]

Güntherodt, H.-J.

A. Bouhelier, T. Huser, H. Tamaru, H.-J. Güntherodt, D. W. Pohl, F. I. Baida, and D. Van Labeke, “Plasmon optics of structured silver films,” Phys. Rev. B 63, 155404 (2001).
[CrossRef]

Haftel, M. I.

D. Egorov, B. S. Dennis, G. Blumberg, and M. I. Haftel, “Two-dimensional control of surface plasmons and directional beaming from arrays of subwavelength apertures,” Phys. Rev. B 70, 033404 (2004).
[CrossRef]

Han, S. W.

D.-S. Kim, J. Heo, S.-H. Ahn, S. W. Han, W. S. Yun, and Z. H. Kim, “Real-space mapping of the strongly coupled plasmons of nanoparticle dimers,” Nano. Lett. 9, 3619–3625 (2009).
[CrossRef] [PubMed]

He, M.-D.

M.-D. He, Z.-Q. Gong, S. Li, Y.-F. Luo, J.-Q. Liu, and X. Chen, “Plasmonic coupler based on the nanoslit with bump,” Opt. Commun. 284, 368 – 372 (2011).
[CrossRef]

Heo, J.

D.-S. Kim, J. Heo, S.-H. Ahn, S. W. Han, W. S. Yun, and Z. H. Kim, “Real-space mapping of the strongly coupled plasmons of nanoparticle dimers,” Nano. Lett. 9, 3619–3625 (2009).
[CrossRef] [PubMed]

Herzig, H. P.

B. Bai, X. Meng, J. Laukkanen, T. Sfez, L. Yu, W. Nakagawa, H. P. Herzig, L. Li, and J. Turunen, “Asymmetrical excitation of surface plasmon polaritons on blazed gratings at normal incidence,” Phys. Rev. B 80, 035407 (2009).
[CrossRef]

Hohenau, A.

A. Drezet, A. Hohenau, D. Koller, A. Stepanov, H. Ditlbacher, B. Steinberger, F. Aussenegg, A. Leitner, and J. Krenn, “Leakage radiation microscopy of surface plasmon polaritons,” Mat. Sci. Eng. B 149, 220 – 229 (2008).
[CrossRef]

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, “How to erase surface plasmon fringes,” Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Hooft, G. W. t.

H. F. Schouten, N. Kuzmin, G. Dubois, T. D. Visser, G. Gbur, P. F. A. Alkemade, H. Blok, G. W. t. Hooft, D. Lenstra, and E. R. Eliel, “Plasmon-assisted two-slit transmission: Young’s experiment revisited,” Phys. Rev. Lett. 94, 053901 (2005).
[CrossRef] [PubMed]

huei Wei, T.

Hugonin, J. P.

B. Wang, L. Aigouy, E. Bourhis, J. Gierak, J. P. Hugonin, and P. Lalanne, “Efficient generation of surface plasmon by single-nanoslit illumination under highly oblique incidence,” Appl. Phys. Lett. 94, 011114 (2009).
[CrossRef]

P. Lalanne, J. P. Hugonin, and J. C. Rodier, “Approximate model for surface-plasmon generation at slit apertures,” J. Opt. Soc. Am. A 23, 1608–1615 (2006).
[CrossRef]

P. Lalanne, J. P. Hugonin, and J. C. Rodier, “Theory of surface plasmon generation at nanoslit apertures,” Phys. Rev. Lett. 95, 263902 (2005).
[CrossRef]

Hugonin, J.-P.

A. Baron, E. Devaux, J.-C. Rodier, J.-P. Hugonin, E. Rousseau, C. Genet, T. W. Ebbesen, and P. Lalanne, “Compact antenna for efficient and unidirectional launching and decoupling of surface plasmons,” Nano Lett. 11, 4207–4212 (2011).
[CrossRef] [PubMed]

H. Liu, P. Lalanne, X. Yang, and J.-P. Hugonin, “Surface plasmon generation by subwavelength isolated objects,” IEEE J. Sel. Top. Quantum Electron. 14, 1522 (2008).
[CrossRef]

Huser, T.

A. Bouhelier, T. Huser, H. Tamaru, H.-J. Güntherodt, D. W. Pohl, F. I. Baida, and D. Van Labeke, “Plasmon optics of structured silver films,” Phys. Rev. B 63, 155404 (2001).
[CrossRef]

Jin, G.

X. Li, Q. Tan, B. Bai, and G. Jin, “Experimental demonstration of tunable directional excitation of surface plasmon polaritons with a subwavelength metallic double slit,” Appl. Phys. Lett. 98, 251109 (2011).
[CrossRef]

Johnson, P. B.

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

Kang, J. H.

H. W. Kihm, K. G. Lee, D. S. Kim, J. H. Kang, and Q.-H. Park, “Control of surface plasmon generation efficiency by slit-width tuning,” Appl. Phys. Lett. 92, 051115 (2008).
[CrossRef]

Kihm, H. W.

H. W. Kihm, K. G. Lee, D. S. Kim, J. H. Kang, and Q.-H. Park, “Control of surface plasmon generation efficiency by slit-width tuning,” Appl. Phys. Lett. 92, 051115 (2008).
[CrossRef]

Kim, D. S.

H. W. Kihm, K. G. Lee, D. S. Kim, J. H. Kang, and Q.-H. Park, “Control of surface plasmon generation efficiency by slit-width tuning,” Appl. Phys. Lett. 92, 051115 (2008).
[CrossRef]

Kim, D.-S.

D.-S. Kim, J. Heo, S.-H. Ahn, S. W. Han, W. S. Yun, and Z. H. Kim, “Real-space mapping of the strongly coupled plasmons of nanoparticle dimers,” Nano. Lett. 9, 3619–3625 (2009).
[CrossRef] [PubMed]

Kim, Z. H.

D.-S. Kim, J. Heo, S.-H. Ahn, S. W. Han, W. S. Yun, and Z. H. Kim, “Real-space mapping of the strongly coupled plasmons of nanoparticle dimers,” Nano. Lett. 9, 3619–3625 (2009).
[CrossRef] [PubMed]

Koller, D.

A. Drezet, A. Hohenau, D. Koller, A. Stepanov, H. Ditlbacher, B. Steinberger, F. Aussenegg, A. Leitner, and J. Krenn, “Leakage radiation microscopy of surface plasmon polaritons,” Mat. Sci. Eng. B 149, 220 – 229 (2008).
[CrossRef]

Krenn, J.

A. Drezet, A. Hohenau, D. Koller, A. Stepanov, H. Ditlbacher, B. Steinberger, F. Aussenegg, A. Leitner, and J. Krenn, “Leakage radiation microscopy of surface plasmon polaritons,” Mat. Sci. Eng. B 149, 220 – 229 (2008).
[CrossRef]

Krenn, J. R.

F. López-Tejeira, S. G. Rodrigo, L. Martín-Moreno, F. J. García-Vidal, E. Devaux, T. W. Ebbesen, J. R. Krenn, I. P. Radko, S. I. Bozhevolnyi, M. U. González, J. C. Weeber, and A. Dereux, “Efficient unidirectional nanoslit couplers for surface plasmons,” Nat. Phys. 3, 324 (2007).
[CrossRef]

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, “How to erase surface plasmon fringes,” Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Kuzmin, N.

H. F. Schouten, N. Kuzmin, G. Dubois, T. D. Visser, G. Gbur, P. F. A. Alkemade, H. Blok, G. W. t. Hooft, D. Lenstra, and E. R. Eliel, “Plasmon-assisted two-slit transmission: Young’s experiment revisited,” Phys. Rev. Lett. 94, 053901 (2005).
[CrossRef] [PubMed]

Lalanne, P.

A. Baron, E. Devaux, J.-C. Rodier, J.-P. Hugonin, E. Rousseau, C. Genet, T. W. Ebbesen, and P. Lalanne, “Compact antenna for efficient and unidirectional launching and decoupling of surface plasmons,” Nano Lett. 11, 4207–4212 (2011).
[CrossRef] [PubMed]

B. Wang, L. Aigouy, E. Bourhis, J. Gierak, J. P. Hugonin, and P. Lalanne, “Efficient generation of surface plasmon by single-nanoslit illumination under highly oblique incidence,” Appl. Phys. Lett. 94, 011114 (2009).
[CrossRef]

X. Y. Yang, H. T. Liu, and P. Lalanne, “Cross conversion between surface plasmon polaritons and quasicylindrical waves,” Phys. Rev. Lett. 102, 153903 (2009).
[CrossRef] [PubMed]

H. Liu, P. Lalanne, X. Yang, and J.-P. Hugonin, “Surface plasmon generation by subwavelength isolated objects,” IEEE J. Sel. Top. Quantum Electron. 14, 1522 (2008).
[CrossRef]

P. Lalanne, J. P. Hugonin, and J. C. Rodier, “Approximate model for surface-plasmon generation at slit apertures,” J. Opt. Soc. Am. A 23, 1608–1615 (2006).
[CrossRef]

P. Lalanne, J. P. Hugonin, and J. C. Rodier, “Theory of surface plasmon generation at nanoslit apertures,” Phys. Rev. Lett. 95, 263902 (2005).
[CrossRef]

Laluet, J.-Y.

Laukkanen, J.

B. Bai, X. Meng, J. Laukkanen, T. Sfez, L. Yu, W. Nakagawa, H. P. Herzig, L. Li, and J. Turunen, “Asymmetrical excitation of surface plasmon polaritons on blazed gratings at normal incidence,” Phys. Rev. B 80, 035407 (2009).
[CrossRef]

Le Perchec, J.

J. Le Perchec, A. Barbara, and P. Qumerais, “Near-, mesoscopic and far-field regimes of a subwavelength young’s double-slit,” New J. Phys. 13, 083025 (2011).
[CrossRef]

Lee, K. G.

H. W. Kihm, K. G. Lee, D. S. Kim, J. H. Kang, and Q.-H. Park, “Control of surface plasmon generation efficiency by slit-width tuning,” Appl. Phys. Lett. 92, 051115 (2008).
[CrossRef]

Leitner, A.

A. Drezet, A. Hohenau, D. Koller, A. Stepanov, H. Ditlbacher, B. Steinberger, F. Aussenegg, A. Leitner, and J. Krenn, “Leakage radiation microscopy of surface plasmon polaritons,” Mat. Sci. Eng. B 149, 220 – 229 (2008).
[CrossRef]

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, “How to erase surface plasmon fringes,” Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Lenstra, D.

H. F. Schouten, N. Kuzmin, G. Dubois, T. D. Visser, G. Gbur, P. F. A. Alkemade, H. Blok, G. W. t. Hooft, D. Lenstra, and E. R. Eliel, “Plasmon-assisted two-slit transmission: Young’s experiment revisited,” Phys. Rev. Lett. 94, 053901 (2005).
[CrossRef] [PubMed]

Lerosey, G.

G. Lerosey, D. F. P. Pile, P. Matheu, G. Bartal, and X. Zhang, “Controlling the phase and amplitude of plasmon sources at a subwavelength scale,” Nano Lett. 9, 327–331 (2009).
[CrossRef]

Li, L.

L. Li, T. Li, S. Wang, S. Zhu, and X. Zhang, “Broad band focusing and demultiplexing of in-plane propagating surface plasmons,” Nano Lett. 11, 4357–4361 (2011).
[CrossRef] [PubMed]

B. Bai, X. Meng, J. Laukkanen, T. Sfez, L. Yu, W. Nakagawa, H. P. Herzig, L. Li, and J. Turunen, “Asymmetrical excitation of surface plasmon polaritons on blazed gratings at normal incidence,” Phys. Rev. B 80, 035407 (2009).
[CrossRef]

N. Bonod, E. Popov, L. Li, and B. Chernov, “Unidirectional excitation of surface plasmons by slanted gratings,” Opt. Express 15, 11427–11432 (2007).
[CrossRef] [PubMed]

Li, S.

M.-D. He, Z.-Q. Gong, S. Li, Y.-F. Luo, J.-Q. Liu, and X. Chen, “Plasmonic coupler based on the nanoslit with bump,” Opt. Commun. 284, 368 – 372 (2011).
[CrossRef]

Li, T.

L. Li, T. Li, S. Wang, S. Zhu, and X. Zhang, “Broad band focusing and demultiplexing of in-plane propagating surface plasmons,” Nano Lett. 11, 4357–4361 (2011).
[CrossRef] [PubMed]

Li, X.

X. Li, Q. Tan, B. Bai, and G. Jin, “Experimental demonstration of tunable directional excitation of surface plasmon polaritons with a subwavelength metallic double slit,” Appl. Phys. Lett. 98, 251109 (2011).
[CrossRef]

Li, Z.

J. Chen, Z. Li, S. Yue, and Q. Gong, “Ultracompact surface-plasmon-polariton splitter based on modulations of quasicylindrical waves to the total field,” J. Appl. Phys. 109, 073102 (2011).
[CrossRef]

J. Chen, Z. Li, S. Yue, and Q. Gong, “Efficient unidirectional generation of surface plasmon polaritons with asymmetric single-nanoslit,” Appl. Phys. Lett. 97, 041113 (2010).
[CrossRef]

Liu, H.

H. Liu, P. Lalanne, X. Yang, and J.-P. Hugonin, “Surface plasmon generation by subwavelength isolated objects,” IEEE J. Sel. Top. Quantum Electron. 14, 1522 (2008).
[CrossRef]

Liu, H. T.

X. Y. Yang, H. T. Liu, and P. Lalanne, “Cross conversion between surface plasmon polaritons and quasicylindrical waves,” Phys. Rev. Lett. 102, 153903 (2009).
[CrossRef] [PubMed]

Liu, J.

Y. Wang, L. Wang, J. Liu, X. Zhai, L. Wang, D. Xiang, Q. Wan, and B. Meng, “Plasmonic surface-wave bidirectional splitter in different angles of incident light,” Opt. Commun. 283, 1777 – 1779 (2010).
[CrossRef]

Liu, J.-Q.

M.-D. He, Z.-Q. Gong, S. Li, Y.-F. Luo, J.-Q. Liu, and X. Chen, “Plasmonic coupler based on the nanoslit with bump,” Opt. Commun. 284, 368 – 372 (2011).
[CrossRef]

López-Tejeira, F.

F. López-Tejeira, S. G. Rodrigo, L. Martín-Moreno, F. J. García-Vidal, E. Devaux, T. W. Ebbesen, J. R. Krenn, I. P. Radko, S. I. Bozhevolnyi, M. U. González, J. C. Weeber, and A. Dereux, “Efficient unidirectional nanoslit couplers for surface plasmons,” Nat. Phys. 3, 324 (2007).
[CrossRef]

Luo, X.

T. Xu, Y. Zhao, D. Gan, C. Wang, C. Du, and X. Luo, “Directional excitation of surface plasmons with subwave-length slits,” Appl. Phys. Lett. 92, 101501 (2008).
[CrossRef]

Luo, Y.-F.

M.-D. He, Z.-Q. Gong, S. Li, Y.-F. Luo, J.-Q. Liu, and X. Chen, “Plasmonic coupler based on the nanoslit with bump,” Opt. Commun. 284, 368 – 372 (2011).
[CrossRef]

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S. Maier, “Effective mode volume of nanoscale plasmon cavities,” Opt. Quantum Electron. 38, 257–267 (2006).
[CrossRef]

Maier, S. A.

S. A. Maier, Plasmonics: Fundamentals And Applications (Springer-Verlag New York Inc., 2007).

Maqsood, M. W.

Martín-Moreno, L.

I. P. Radko, S. I. Bozhevolnyi, G. Brucoli, L. Martín-Moreno, F. J. García-Vidal, and A. Boltasseva, “Efficient unidirectional ridge excitation of surface plasmons,” Opt. Express 17, 7228–7232 (2009).
[CrossRef] [PubMed]

F. López-Tejeira, S. G. Rodrigo, L. Martín-Moreno, F. J. García-Vidal, E. Devaux, T. W. Ebbesen, J. R. Krenn, I. P. Radko, S. I. Bozhevolnyi, M. U. González, J. C. Weeber, and A. Dereux, “Efficient unidirectional nanoslit couplers for surface plasmons,” Nat. Phys. 3, 324 (2007).
[CrossRef]

Matheu, P.

G. Lerosey, D. F. P. Pile, P. Matheu, G. Bartal, and X. Zhang, “Controlling the phase and amplitude of plasmon sources at a subwavelength scale,” Nano Lett. 9, 327–331 (2009).
[CrossRef]

Mehfuz, R.

Meng, B.

Y. Wang, L. Wang, J. Liu, X. Zhai, L. Wang, D. Xiang, Q. Wan, and B. Meng, “Plasmonic surface-wave bidirectional splitter in different angles of incident light,” Opt. Commun. 283, 1777 – 1779 (2010).
[CrossRef]

Meng, X.

B. Bai, X. Meng, J. Laukkanen, T. Sfez, L. Yu, W. Nakagawa, H. P. Herzig, L. Li, and J. Turunen, “Asymmetrical excitation of surface plasmon polaritons on blazed gratings at normal incidence,” Phys. Rev. B 80, 035407 (2009).
[CrossRef]

Nakagawa, W.

B. Bai, X. Meng, J. Laukkanen, T. Sfez, L. Yu, W. Nakagawa, H. P. Herzig, L. Li, and J. Turunen, “Asymmetrical excitation of surface plasmon polaritons on blazed gratings at normal incidence,” Phys. Rev. B 80, 035407 (2009).
[CrossRef]

Nasalski, W.

A. Roszkiewicz and W. Nasalski, “Unidirectional SPP excitation at asymmetrical two-layered metal gratings,” J. Phys. B 43, 185401 (2010).

Park, Q.-H.

H. W. Kihm, K. G. Lee, D. S. Kim, J. H. Kang, and Q.-H. Park, “Control of surface plasmon generation efficiency by slit-width tuning,” Appl. Phys. Lett. 92, 051115 (2008).
[CrossRef]

Pile, D. F. P.

G. Lerosey, D. F. P. Pile, P. Matheu, G. Bartal, and X. Zhang, “Controlling the phase and amplitude of plasmon sources at a subwavelength scale,” Nano Lett. 9, 327–331 (2009).
[CrossRef]

Pohl, D. W.

A. Bouhelier, T. Huser, H. Tamaru, H.-J. Güntherodt, D. W. Pohl, F. I. Baida, and D. Van Labeke, “Plasmon optics of structured silver films,” Phys. Rev. B 63, 155404 (2001).
[CrossRef]

Popov, E.

Qumerais, P.

J. Le Perchec, A. Barbara, and P. Qumerais, “Near-, mesoscopic and far-field regimes of a subwavelength young’s double-slit,” New J. Phys. 13, 083025 (2011).
[CrossRef]

Radko, I. P.

I. P. Radko, S. I. Bozhevolnyi, G. Brucoli, L. Martín-Moreno, F. J. García-Vidal, and A. Boltasseva, “Efficient unidirectional ridge excitation of surface plasmons,” Opt. Express 17, 7228–7232 (2009).
[CrossRef] [PubMed]

F. López-Tejeira, S. G. Rodrigo, L. Martín-Moreno, F. J. García-Vidal, E. Devaux, T. W. Ebbesen, J. R. Krenn, I. P. Radko, S. I. Bozhevolnyi, M. U. González, J. C. Weeber, and A. Dereux, “Efficient unidirectional nanoslit couplers for surface plasmons,” Nat. Phys. 3, 324 (2007).
[CrossRef]

Rodier, J. C.

P. Lalanne, J. P. Hugonin, and J. C. Rodier, “Approximate model for surface-plasmon generation at slit apertures,” J. Opt. Soc. Am. A 23, 1608–1615 (2006).
[CrossRef]

P. Lalanne, J. P. Hugonin, and J. C. Rodier, “Theory of surface plasmon generation at nanoslit apertures,” Phys. Rev. Lett. 95, 263902 (2005).
[CrossRef]

Rodier, J.-C.

A. Baron, E. Devaux, J.-C. Rodier, J.-P. Hugonin, E. Rousseau, C. Genet, T. W. Ebbesen, and P. Lalanne, “Compact antenna for efficient and unidirectional launching and decoupling of surface plasmons,” Nano Lett. 11, 4207–4212 (2011).
[CrossRef] [PubMed]

Rodrigo, S. G.

F. López-Tejeira, S. G. Rodrigo, L. Martín-Moreno, F. J. García-Vidal, E. Devaux, T. W. Ebbesen, J. R. Krenn, I. P. Radko, S. I. Bozhevolnyi, M. U. González, J. C. Weeber, and A. Dereux, “Efficient unidirectional nanoslit couplers for surface plasmons,” Nat. Phys. 3, 324 (2007).
[CrossRef]

Roszkiewicz, A.

A. Roszkiewicz and W. Nasalski, “Unidirectional SPP excitation at asymmetrical two-layered metal gratings,” J. Phys. B 43, 185401 (2010).

Rousseau, E.

A. Baron, E. Devaux, J.-C. Rodier, J.-P. Hugonin, E. Rousseau, C. Genet, T. W. Ebbesen, and P. Lalanne, “Compact antenna for efficient and unidirectional launching and decoupling of surface plasmons,” Nano Lett. 11, 4207–4212 (2011).
[CrossRef] [PubMed]

Schouten, H. F.

H. F. Schouten, N. Kuzmin, G. Dubois, T. D. Visser, G. Gbur, P. F. A. Alkemade, H. Blok, G. W. t. Hooft, D. Lenstra, and E. R. Eliel, “Plasmon-assisted two-slit transmission: Young’s experiment revisited,” Phys. Rev. Lett. 94, 053901 (2005).
[CrossRef] [PubMed]

Sfez, T.

B. Bai, X. Meng, J. Laukkanen, T. Sfez, L. Yu, W. Nakagawa, H. P. Herzig, L. Li, and J. Turunen, “Asymmetrical excitation of surface plasmon polaritons on blazed gratings at normal incidence,” Phys. Rev. B 80, 035407 (2009).
[CrossRef]

Shalaev, V. M.

M. L. Brongersma and V. M. Shalaev, “The case for plasmonics,” Science 328, 440–441 (2010).
[CrossRef] [PubMed]

Song, Y.

Steinberger, B.

A. Drezet, A. Hohenau, D. Koller, A. Stepanov, H. Ditlbacher, B. Steinberger, F. Aussenegg, A. Leitner, and J. Krenn, “Leakage radiation microscopy of surface plasmon polaritons,” Mat. Sci. Eng. B 149, 220 – 229 (2008).
[CrossRef]

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, “How to erase surface plasmon fringes,” Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Stepanov, A.

A. Drezet, A. Hohenau, D. Koller, A. Stepanov, H. Ditlbacher, B. Steinberger, F. Aussenegg, A. Leitner, and J. Krenn, “Leakage radiation microscopy of surface plasmon polaritons,” Mat. Sci. Eng. B 149, 220 – 229 (2008).
[CrossRef]

Stepanov, A. L.

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, “How to erase surface plasmon fringes,” Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

Tamaru, H.

A. Bouhelier, T. Huser, H. Tamaru, H.-J. Güntherodt, D. W. Pohl, F. I. Baida, and D. Van Labeke, “Plasmon optics of structured silver films,” Phys. Rev. B 63, 155404 (2001).
[CrossRef]

Tan, Q.

X. Li, Q. Tan, B. Bai, and G. Jin, “Experimental demonstration of tunable directional excitation of surface plasmon polaritons with a subwavelength metallic double slit,” Appl. Phys. Lett. 98, 251109 (2011).
[CrossRef]

Tang, H.

Turunen, J.

B. Bai, X. Meng, J. Laukkanen, T. Sfez, L. Yu, W. Nakagawa, H. P. Herzig, L. Li, and J. Turunen, “Asymmetrical excitation of surface plasmon polaritons on blazed gratings at normal incidence,” Phys. Rev. B 80, 035407 (2009).
[CrossRef]

Van Labeke, D.

A. Bouhelier, T. Huser, H. Tamaru, H.-J. Güntherodt, D. W. Pohl, F. I. Baida, and D. Van Labeke, “Plasmon optics of structured silver films,” Phys. Rev. B 63, 155404 (2001).
[CrossRef]

Visser, T. D.

H. F. Schouten, N. Kuzmin, G. Dubois, T. D. Visser, G. Gbur, P. F. A. Alkemade, H. Blok, G. W. t. Hooft, D. Lenstra, and E. R. Eliel, “Plasmon-assisted two-slit transmission: Young’s experiment revisited,” Phys. Rev. Lett. 94, 053901 (2005).
[CrossRef] [PubMed]

Wan, Q.

Y. Wang, L. Wang, J. Liu, X. Zhai, L. Wang, D. Xiang, Q. Wan, and B. Meng, “Plasmonic surface-wave bidirectional splitter in different angles of incident light,” Opt. Commun. 283, 1777 – 1779 (2010).
[CrossRef]

Wang, B.

B. Wang, L. Aigouy, E. Bourhis, J. Gierak, J. P. Hugonin, and P. Lalanne, “Efficient generation of surface plasmon by single-nanoslit illumination under highly oblique incidence,” Appl. Phys. Lett. 94, 011114 (2009).
[CrossRef]

Wang, C.

T. Xu, Y. Zhao, D. Gan, C. Wang, C. Du, and X. Luo, “Directional excitation of surface plasmons with subwave-length slits,” Appl. Phys. Lett. 92, 101501 (2008).
[CrossRef]

Wang, C. H.

Wang, J.

Wang, L.

Y. Wang, L. Wang, J. Liu, X. Zhai, L. Wang, D. Xiang, Q. Wan, and B. Meng, “Plasmonic surface-wave bidirectional splitter in different angles of incident light,” Opt. Commun. 283, 1777 – 1779 (2010).
[CrossRef]

Y. Wang, L. Wang, J. Liu, X. Zhai, L. Wang, D. Xiang, Q. Wan, and B. Meng, “Plasmonic surface-wave bidirectional splitter in different angles of incident light,” Opt. Commun. 283, 1777 – 1779 (2010).
[CrossRef]

Wang, S.

L. Li, T. Li, S. Wang, S. Zhu, and X. Zhang, “Broad band focusing and demultiplexing of in-plane propagating surface plasmons,” Nano Lett. 11, 4357–4361 (2011).
[CrossRef] [PubMed]

Wang, Y.

Weeber, J. C.

F. López-Tejeira, S. G. Rodrigo, L. Martín-Moreno, F. J. García-Vidal, E. Devaux, T. W. Ebbesen, J. R. Krenn, I. P. Radko, S. I. Bozhevolnyi, M. U. González, J. C. Weeber, and A. Dereux, “Efficient unidirectional nanoslit couplers for surface plasmons,” Nat. Phys. 3, 324 (2007).
[CrossRef]

Weeber, J.-C.

Xiang, D.

Y. Wang, L. Wang, J. Liu, X. Zhai, L. Wang, D. Xiang, Q. Wan, and B. Meng, “Plasmonic surface-wave bidirectional splitter in different angles of incident light,” Opt. Commun. 283, 1777 – 1779 (2010).
[CrossRef]

Xu, T.

T. Xu, Y. Zhao, D. Gan, C. Wang, C. Du, and X. Luo, “Directional excitation of surface plasmons with subwave-length slits,” Appl. Phys. Lett. 92, 101501 (2008).
[CrossRef]

Yang, K.

Yang, X.

H. Liu, P. Lalanne, X. Yang, and J.-P. Hugonin, “Surface plasmon generation by subwavelength isolated objects,” IEEE J. Sel. Top. Quantum Electron. 14, 1522 (2008).
[CrossRef]

Yang, X. Y.

X. Y. Yang, H. T. Liu, and P. Lalanne, “Cross conversion between surface plasmon polaritons and quasicylindrical waves,” Phys. Rev. Lett. 102, 153903 (2009).
[CrossRef] [PubMed]

Yu, L.

B. Bai, X. Meng, J. Laukkanen, T. Sfez, L. Yu, W. Nakagawa, H. P. Herzig, L. Li, and J. Turunen, “Asymmetrical excitation of surface plasmon polaritons on blazed gratings at normal incidence,” Phys. Rev. B 80, 035407 (2009).
[CrossRef]

Yue, S.

J. Chen, Z. Li, S. Yue, and Q. Gong, “Ultracompact surface-plasmon-polariton splitter based on modulations of quasicylindrical waves to the total field,” J. Appl. Phys. 109, 073102 (2011).
[CrossRef]

J. Chen, Z. Li, S. Yue, and Q. Gong, “Efficient unidirectional generation of surface plasmon polaritons with asymmetric single-nanoslit,” Appl. Phys. Lett. 97, 041113 (2010).
[CrossRef]

Yun, W. S.

D.-S. Kim, J. Heo, S.-H. Ahn, S. W. Han, W. S. Yun, and Z. H. Kim, “Real-space mapping of the strongly coupled plasmons of nanoparticle dimers,” Nano. Lett. 9, 3619–3625 (2009).
[CrossRef] [PubMed]

Zhai, X.

Y. Wang, L. Wang, J. Liu, X. Zhai, L. Wang, D. Xiang, Q. Wan, and B. Meng, “Plasmonic surface-wave bidirectional splitter in different angles of incident light,” Opt. Commun. 283, 1777 – 1779 (2010).
[CrossRef]

Zhang, J.

Zhang, X.

L. Li, T. Li, S. Wang, S. Zhu, and X. Zhang, “Broad band focusing and demultiplexing of in-plane propagating surface plasmons,” Nano Lett. 11, 4357–4361 (2011).
[CrossRef] [PubMed]

G. Lerosey, D. F. P. Pile, P. Matheu, G. Bartal, and X. Zhang, “Controlling the phase and amplitude of plasmon sources at a subwavelength scale,” Nano Lett. 9, 327–331 (2009).
[CrossRef]

Y. Wang, X. Zhang, H. Tang, K. Yang, Y. Wang, Y. Song, T. huei Wei, and C. H. Wang, “A tunable unidirectional surface plasmon polaritons source,” Opt. Express 17, 20457–20464 (2009).
[CrossRef] [PubMed]

Zhao, C.

Zhao, Y.

T. Xu, Y. Zhao, D. Gan, C. Wang, C. Du, and X. Luo, “Directional excitation of surface plasmons with subwave-length slits,” Appl. Phys. Lett. 92, 101501 (2008).
[CrossRef]

Zhu, S.

L. Li, T. Li, S. Wang, S. Zhu, and X. Zhang, “Broad band focusing and demultiplexing of in-plane propagating surface plasmons,” Nano Lett. 11, 4357–4361 (2011).
[CrossRef] [PubMed]

Appl. Phys. Lett.

J. Chen, Z. Li, S. Yue, and Q. Gong, “Efficient unidirectional generation of surface plasmon polaritons with asymmetric single-nanoslit,” Appl. Phys. Lett. 97, 041113 (2010).
[CrossRef]

X. Li, Q. Tan, B. Bai, and G. Jin, “Experimental demonstration of tunable directional excitation of surface plasmon polaritons with a subwavelength metallic double slit,” Appl. Phys. Lett. 98, 251109 (2011).
[CrossRef]

T. Xu, Y. Zhao, D. Gan, C. Wang, C. Du, and X. Luo, “Directional excitation of surface plasmons with subwave-length slits,” Appl. Phys. Lett. 92, 101501 (2008).
[CrossRef]

H. W. Kihm, K. G. Lee, D. S. Kim, J. H. Kang, and Q.-H. Park, “Control of surface plasmon generation efficiency by slit-width tuning,” Appl. Phys. Lett. 92, 051115 (2008).
[CrossRef]

B. Wang, L. Aigouy, E. Bourhis, J. Gierak, J. P. Hugonin, and P. Lalanne, “Efficient generation of surface plasmon by single-nanoslit illumination under highly oblique incidence,” Appl. Phys. Lett. 94, 011114 (2009).
[CrossRef]

A. Drezet, A. Hohenau, A. L. Stepanov, H. Ditlbacher, B. Steinberger, N. Galler, F. R. Aussenegg, A. Leitner, and J. R. Krenn, “How to erase surface plasmon fringes,” Appl. Phys. Lett. 89, 091117 (2006).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron.

H. Liu, P. Lalanne, X. Yang, and J.-P. Hugonin, “Surface plasmon generation by subwavelength isolated objects,” IEEE J. Sel. Top. Quantum Electron. 14, 1522 (2008).
[CrossRef]

J. Appl. Phys.

J. Chen, Z. Li, S. Yue, and Q. Gong, “Ultracompact surface-plasmon-polariton splitter based on modulations of quasicylindrical waves to the total field,” J. Appl. Phys. 109, 073102 (2011).
[CrossRef]

J. Opt. Soc. Am. A

J. Phys. B

A. Roszkiewicz and W. Nasalski, “Unidirectional SPP excitation at asymmetrical two-layered metal gratings,” J. Phys. B 43, 185401 (2010).

Mat. Sci. Eng. B

A. Drezet, A. Hohenau, D. Koller, A. Stepanov, H. Ditlbacher, B. Steinberger, F. Aussenegg, A. Leitner, and J. Krenn, “Leakage radiation microscopy of surface plasmon polaritons,” Mat. Sci. Eng. B 149, 220 – 229 (2008).
[CrossRef]

Nano Lett.

L. Li, T. Li, S. Wang, S. Zhu, and X. Zhang, “Broad band focusing and demultiplexing of in-plane propagating surface plasmons,” Nano Lett. 11, 4357–4361 (2011).
[CrossRef] [PubMed]

A. Baron, E. Devaux, J.-C. Rodier, J.-P. Hugonin, E. Rousseau, C. Genet, T. W. Ebbesen, and P. Lalanne, “Compact antenna for efficient and unidirectional launching and decoupling of surface plasmons,” Nano Lett. 11, 4207–4212 (2011).
[CrossRef] [PubMed]

G. Lerosey, D. F. P. Pile, P. Matheu, G. Bartal, and X. Zhang, “Controlling the phase and amplitude of plasmon sources at a subwavelength scale,” Nano Lett. 9, 327–331 (2009).
[CrossRef]

Nano. Lett.

D.-S. Kim, J. Heo, S.-H. Ahn, S. W. Han, W. S. Yun, and Z. H. Kim, “Real-space mapping of the strongly coupled plasmons of nanoparticle dimers,” Nano. Lett. 9, 3619–3625 (2009).
[CrossRef] [PubMed]

Nat. Phys.

F. López-Tejeira, S. G. Rodrigo, L. Martín-Moreno, F. J. García-Vidal, E. Devaux, T. W. Ebbesen, J. R. Krenn, I. P. Radko, S. I. Bozhevolnyi, M. U. González, J. C. Weeber, and A. Dereux, “Efficient unidirectional nanoslit couplers for surface plasmons,” Nat. Phys. 3, 324 (2007).
[CrossRef]

New J. Phys.

J. Le Perchec, A. Barbara, and P. Qumerais, “Near-, mesoscopic and far-field regimes of a subwavelength young’s double-slit,” New J. Phys. 13, 083025 (2011).
[CrossRef]

Opt. Commun.

Y. Wang, L. Wang, J. Liu, X. Zhai, L. Wang, D. Xiang, Q. Wan, and B. Meng, “Plasmonic surface-wave bidirectional splitter in different angles of incident light,” Opt. Commun. 283, 1777 – 1779 (2010).
[CrossRef]

M.-D. He, Z.-Q. Gong, S. Li, Y.-F. Luo, J.-Q. Liu, and X. Chen, “Plasmonic coupler based on the nanoslit with bump,” Opt. Commun. 284, 368 – 372 (2011).
[CrossRef]

Opt. Express

Opt. Lett.

Opt. Quantum Electron.

S. Maier, “Effective mode volume of nanoscale plasmon cavities,” Opt. Quantum Electron. 38, 257–267 (2006).
[CrossRef]

Phys. Rev. B

D. Egorov, B. S. Dennis, G. Blumberg, and M. I. Haftel, “Two-dimensional control of surface plasmons and directional beaming from arrays of subwavelength apertures,” Phys. Rev. B 70, 033404 (2004).
[CrossRef]

B. Bai, X. Meng, J. Laukkanen, T. Sfez, L. Yu, W. Nakagawa, H. P. Herzig, L. Li, and J. Turunen, “Asymmetrical excitation of surface plasmon polaritons on blazed gratings at normal incidence,” Phys. Rev. B 80, 035407 (2009).
[CrossRef]

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

A. Bouhelier, T. Huser, H. Tamaru, H.-J. Güntherodt, D. W. Pohl, F. I. Baida, and D. Van Labeke, “Plasmon optics of structured silver films,” Phys. Rev. B 63, 155404 (2001).
[CrossRef]

Phys. Rev. Lett.

X. Y. Yang, H. T. Liu, and P. Lalanne, “Cross conversion between surface plasmon polaritons and quasicylindrical waves,” Phys. Rev. Lett. 102, 153903 (2009).
[CrossRef] [PubMed]

P. Lalanne, J. P. Hugonin, and J. C. Rodier, “Theory of surface plasmon generation at nanoslit apertures,” Phys. Rev. Lett. 95, 263902 (2005).
[CrossRef]

H. F. Schouten, N. Kuzmin, G. Dubois, T. D. Visser, G. Gbur, P. F. A. Alkemade, H. Blok, G. W. t. Hooft, D. Lenstra, and E. R. Eliel, “Plasmon-assisted two-slit transmission: Young’s experiment revisited,” Phys. Rev. Lett. 94, 053901 (2005).
[CrossRef] [PubMed]

Science

M. L. Brongersma and V. M. Shalaev, “The case for plasmonics,” Science 328, 440–441 (2010).
[CrossRef] [PubMed]

Other

S. A. Maier, Plasmonics: Fundamentals And Applications (Springer-Verlag New York Inc., 2007).

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Figures (5)

Fig. 1
Fig. 1

Experimental configuration. (a) artistic and sketched views of the leakage radiation system. (b) SEM images of slit pairs and single slit etched in the gold film. The scale bars represent 200 nm. (c) SPPs are launched on the film by focusing an HeNe laser on the slits at an angle θ from the normal to the sample, from the gold side. The light is polarised perpendicularly to the slits. Leakage radiation is collected on the sample side by an oil immersion objective.

Fig. 2
Fig. 2

Observations in the Fourier plane. (a) (resp. (b)) image of the Fourier plane when the laser is focused on a slit pair separated by 350 nm, at quasi-normal incidence (resp. at an angle θ = −18°). Both images have been obtained under the same conditions. (c) Profiles taken along the images (a) black line, and (b) red line. The peaks at ±1.66.106m1 correspond to the SPPs. No preferential direction of coupling is observed at normal incidence, whereas at 18° mainly right-propagating SPPs are excited. Further analysis of this picture can be found in section 5.

Fig. 3
Fig. 3

Single slits, at λ0 = 633 nm. (a) Experimental coupling efficiency into left propagating SPPs. (b) Theoretical results obtained from Eq. (4). Both intensity plots are normalized to their maximum intensity. (c) Measured directionality. (d) directionality calculated with the model explained in the text. Directionality=1 means that only left propagating SPPs are excited, 0: only right propagating, and 0.5 means equal excitation in both directions. The experimental plots are obtained by making a linear extrapolation between the points actually measured. In the theoretical plots (b) and (d), the black and green lines indicate w Max Left and w Min Right, respectively.

Fig. 4
Fig. 4

Double slits – for λ0 = 633 nm. (a) Experimental measurement of coupling efficiency into left-propagating SPPs. (b) Theoretical results obtained from Eq. (4). (c) Experimental directionality. (d) Theoretical results obtained from Eq. (7) for the directionality. In (b) and (d), the black and green lines indicate d Max Left and d Min Right, respectively.

Fig. 5
Fig. 5

Comparison of figures of merit (FOM) for single (a) and double slits (b). The log of the FOM is plotted (see text for the definition of the FOM). Here, λ0 = 633 nm, nSPP = 1.048, and the FOM is calculated for left propagating SPPs. The purple regions correspond to D ≤ 0.5, i.e. a majority of right-propagating SPPs. In (a), the black and green lines indicate w Max Left and w Min Right respectively. In (b) they indicate d Max Left and d Min Right.

Equations (8)

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rect ( x x 0 w ) = { 1 for  x 0 w 2 < x < x 0 + w 2 0 for  x < x 0 w 2 or  x > x 0 + w 2 .
E ( x ) = e i 2 π x sin θ λ 0 × { rect ( x x 1 w 1 ) + rect ( x x 2 w 2 ) } ,
E ˜ ( α ) = Π ( α , w 1 ) + e i 2 π x 2 ( α sin θ λ 0 ) Π ( α , w 2 ) ,
| E ˜ ( α ) | 2 = Π ( α , w 1 ) 2 + Π ( α , w 2 ) 2 + Π ( α , w 1 ) Π ( α , w 2 ) 2 cos [ 2 π x 2 ( α s i n θ λ 0 ) ] .
w Max = d Min = 2 m + 1 2 ( α s i n θ λ 0 ) ,
w Min = d Max = n ( α s i n θ λ 0 ) ,
D = I left I left + I right .
FOM = ( 2 D 1 ) I left .

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