Journal
OPTICS COMMUNICATIONS
Volume 239, Issue 1-3, Pages 187-191Publisher
ELSEVIER
DOI: 10.1016/j.optcom.2004.05.036
Keywords
photonic crystal lasers; laser diodes; supermodes; avoided crossing
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We report the tuning characteristics of a widely tunable photonic crystal coupled-cavity laser and find good agreement with simulations based on a transfer matrix algorithm. The device consists of two photonic crystal channel wave-guides that are longitudinally coupled through a photonic crystal section. The cavity modes exhibit slightly different mode spacing and allow a wavelength switching by utilizing the Vernier effect. The supermodes of the integrated structure exhibit an anti-crossing behavior as a result of the contra-directional coupling between the two resonant cavities. (C) 2004 Elsevier B.V. All rights reserved.
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