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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 36, Iss. 23 — Dec. 1, 2011
  • pp: 4668–4670

Ultrahigh-contrast and wideband nanoscale photonic crystal all-optical diode

Cuicui Lu, Xiaoyong Hu, Hong Yang, and Qihuang Gong  »View Author Affiliations

Optics Letters, Vol. 36, Issue 23, pp. 4668-4670 (2011)

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We experimentally realize a nanoscale all-optical diode in a photonic crystal heterostructure with broken spatial inversion symmetry, performing independent of optical nonlinearity. The physical mechanism lies in unique dispersion relations of the photonic crystal and the transition of incident light between different electromagnetic Bloch modes. An ultrahigh transmission contrast of 10 3 order, a large operating bandwidth of over 50 nm , and an ultralow photon intensity of less than 10 kW / cm 2 are reached simultaneously.

© 2011 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.1150) Optical devices : All-optical devices
(230.5298) Optical devices : Photonic crystals

ToC Category:
Optical Devices

Original Manuscript: August 24, 2011
Revised Manuscript: October 25, 2011
Manuscript Accepted: October 27, 2011
Published: November 30, 2011

Cuicui Lu, Xiaoyong Hu, Hong Yang, and Qihuang Gong, "Ultrahigh-contrast and wideband nanoscale photonic crystal all-optical diode," Opt. Lett. 36, 4668-4670 (2011)

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