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  • CLEO/Europe and EQEC 2009 Conference Digest
  • (Optica Publishing Group, 2009),
  • paper CB2_4

Ultra-High Q photonic crystal waveguides for DFB laser operation

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Abstract

In the recent years, 2D photonic crystals (PhCs) have paved the way towards integrated optics. One major challenge is the development of laser sources compatible with this approach. It has recently been shown that planar PhC waveguides could be used to design Distributed Feedback (DFB) lasers [1], and that closely spaced single mode lasers arrays can be designed using a so-called affine deformation of the PhC lattice [2]. However, using such waveguides, the quality factor of the DFB mode remains rather low (Q ~ 104) and the discrimination between the 2 DFB modes is not always high enough to ensure single mode emission, especially for large deformations.

© 2009 IEEE

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