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External-cavity wavelength tunable laser with an electro-optic deflector

Pin Wang, Leong Keey Seah, Vadakke Matham Murukeshan, and Zhixia Chao

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Abstract

A near-IR tunable external-cavity laser that uses an electro-optic deflector and a reflection grating as a tunable filter is demonstrated. The deflector is an electronically reconfigurable nonpixelated nematic liquid-crystal device. By controlling the voltage applied to the electro-optic deflector, a tuning range of 12  nm and a side-mode suppression higher than 30  dB are obtained.

© 2006 Optical Society of America

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