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2002•Applied Physics LettersOpen access

Light-controlled photon tunneling

Igor I. Smolyaninov, Christophér C. Davis, Anatoly V. Zayats

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Abstract

Recent measurements of photon tunneling through individual subwavelength pinholes in a gold film covered with a layer of polydiacetylene [Phys. Rev. Lett. 88, 187402 (2002)] has provided strong indication of “photon blockade” effects similar to Coulomb blockade phenomena observed in single-electron tunneling experiments. Here we report the observation of photon tunneling being blocked (gated) by light at a different wavelength. This suggests the possibility of building a class of “gated” photon tunneling devices for all-optical signal processing.

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Recent measurements of photon tunneling through individual subwavelength pinholes in a gold film covered with a layer of polydiacetylene [Phys. Rev. Lett. 88, 187402 (2002)] has provided strong indication of “photon blockade” effects similar to Coulomb blockade phenomena observed in single-electron tunneling experiments. Here we report the observation of photon tunneling being blocked (gated) by light at a different wavelength. This suggests the possibility of building a class of “gated” photon tunneling devices for all-optical signal processing.

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Available abstract

Recent measurements of photon tunneling through individual subwavelength pinholes in a gold film covered with a layer of polydiacetylene [Phys. Rev. Lett. 88, 187402 (2002)] has provided strong indication of “photon blockade” effects similar to Coulomb blockade phenomena observed in single-electron tunneling experiments. Here we report the observation of photon tunneling being blocked (gated) by light at a different wavelength. This suggests the possibility of building a class of “gated” photon tunneling devices for all-optical signal processing.

Key concepts: Quantum tunnelling, Coulomb blockade, Photon, Physics, Electron, Wavelength, Condensed matter physics, Optoelectronics

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