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Published July 19, 2004 | public
Journal Article Open

Liquid-crystal electric tuning of a photonic crystal laser


An electrically tuned nematic liquid-crystal (LC) infiltrated photonic crystal (PC) laser is demonstrated. This PC laser represents an emerging class of nanoscale optical adaptive devices enabled by the convergence of nonlinear optical materials, electronics, and fluidics that promise increased functionality and utility over existing technologies. A LC cell is constructed by encasing the PC laser between two indium tin oxide glass plates, which serve as the modulating electrodes. Applying a voltage across the cell realigns the LC, modifies the laser cavity's optical path length, and blueshifts the lasing wavelength.

Additional Information

Copyright © 2004 American Institute of Physics. Received 2 December 2003; accepted 19 May 2004. The authors would like to thank Mark Adams, David Barsic, Rhys Lawson, Xu Wang, and Tomoyuki Yoshie for valuable discussions. Funding for this work by Jag Shah from DARPA under the CS-WDM program (Contract No. N00421-02-D-3223) is also gratefully acknowledged.


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