4.6 Article

Miniband transmission in a photonic crystal coupled-resonator optical waveguide

Journal

OPTICS LETTERS
Volume 26, Issue 13, Pages 1019-1021

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OPTICAL SOC AMER
DOI: 10.1364/OL.26.001019

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We demonstrate in the near infrared the coupled-resonator optical waveguide (CROW) concept that was recently proposed by Yariv ct al. [Opt. Lett. 24, 711 (1999)]. Two-dimensional photonic crystals have been used to define, in a GaAs-based waveguiding heterostructure, an array of micrometer-sized hexagonal cavities coupled through thin walls. With the photoexcitation of InAs quantum dots as an internal source, the transmission spectra of the coupled resonators show marked minibands and minigaps, in agreement with theoretical predictions. (C) 2001 Optical Society of America.

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