Abstract
For the first time to the authors’ knowledge, an integrated optical distributed Bragg reflector laser with a fixed photorefractive grating in is demonstrated. Sample preparation, grating fabrication, and laser characteristics are reported. The device is pumped by a fiber pigtailed laser diode through the Bragg grating in a double-pass configuration, yielding an emission in the backward direction at . The laser threshold is 40 mW; as much as 5 mW of output power has been obtained at 110 mW of launched pump power in cw operation.
© 1998 Optical Society of America
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