Experimental evidence for superprism phenomena in SOI photonic crystals | Zendy

Anatole Lupu | Zendy; Éric Cassan | Zendy; S. Laval | Zendy; L. El Melhaoui | Zendy; Philippe Lyan | Zendy; J. M. Fedeli | Zendy

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Experimental evidence for superprism phenomena in SOI photonic crystals

Author(s) -

Anatole Lupu,

Éric Cassan,

S. Laval,

L. El Melhaoui,

Philippe Lyan,

J. M. Fedeli

Publication year - 2004

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.12.005690

Subject(s) - silicon on insulator , optics , planar , wavelength , dispersion (optics) , materials science , silicon , photonics , optoelectronics , photonic crystal , lattice (music) , physics , computer graphics (images) , computer science , acoustics

A first experimental demonstration of a planar superprism in silicon microphotonics technology using silicon on insulator (SOI) substrates is presented. Experimental results for anomalous wavelengthdependent angular dispersion in SOI triangular lattice planar photonic crystals are reported. An angular swing of 14 degrees is measured for light propagating near the Gamma-K direction as the input wavelength is changed from 1295 nm to 1330 nm, which corresponds to an angular dispersion of 0.4 degrees /nm. For the Gamma-M direction, a negative wavelength dispersion has been recorded. An opposite sign angular deviation of 21 degrees is observed as the input wavelength is changed from 1316 nm to 1332 nm, i.e. a dispersion of 1.3 degrees /nm.

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