Optically triggered Q-switched photonic crystal laser

An optically triggered liquid crystal infiltrated Q-switched photonic crystal laser is demonstrated. A photonic crystal laser cavity was designed and fabricated to support two orthogonally polarized high-Q cavity modes after liquid crystal infiltration. By controlling the liquid crystal orientation...

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Bibliographic Details
Published in:Optics express 2005-06, Vol.13 (12), p.4699-4707
Main Authors: Maune, Brett, Witzens, Jeremy, Baehr-Jones, Thomas, Kolodrubetz, Michael, Atwater, Harry, Scherer, Axel, Hagen, Rainer, Qiu, Yueming
Format: Article
Language:English
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Summary:An optically triggered liquid crystal infiltrated Q-switched photonic crystal laser is demonstrated. A photonic crystal laser cavity was designed and fabricated to support two orthogonally polarized high-Q cavity modes after liquid crystal infiltration. By controlling the liquid crystal orientation via a layer of photoaddressable polymer and a writing laser, the photonic crystal lasing mode can be reversibly switched between the two modes which also switches the laser's emission polarization and wavelength. The creation of the Q-switched laser demonstrates the benefits of customizing photonic crystal cavities to maximally synergize with an infiltrated material and illustrates the potential of integrating semiconductor nanophotonics with optical materials.
ISSN:1094-4087
1094-4087
DOI:10.1364/opex.13.004699