Photonic crystals for micro lightwave circuits using wavelength-dependent angular beam steering

Hideo Kosaka, Takayuki Kawashima, Akihisa Tomita, Masaya Notomi, Toshiaki Tamamura, Takashi Sato, Shojiro Kawakami

Research output: Contribution to journalArticle

262 Citations (Scopus)

Abstract

Light-beam steering that is extremely wavelength dependent has been demonstrated by using photonic crystals fabricated on Si. The scanning span reached 50° with only a 1% shift of incident wavelength at around 1 μm. The resulting angular dispersion is two orders of magnitude larger than that achieved with conventional prisms or gratings. The application of such superprism phenomena promises to enable the fabrication of integrated micro lightwave circuits that will allow more efficient use of wavelength resources when used in wavelength multiplexers/demultiplexers or dispersion compensators by enabling lower loss and broader bandwidth.

Original languageEnglish
Pages (from-to)1370-1372
Number of pages3
JournalApplied Physics Letters
Volume74
Issue number10
DOIs
Publication statusPublished - 1999 Mar 8

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Kosaka, H., Kawashima, T., Tomita, A., Notomi, M., Tamamura, T., Sato, T., & Kawakami, S. (1999). Photonic crystals for micro lightwave circuits using wavelength-dependent angular beam steering. Applied Physics Letters, 74(10), 1370-1372. https://doi.org/10.1063/1.123553