Bandwidth9, Inc.

Gabriel Ll

Wupen Yuen

Rang-Chen Yu

Peter Kner

Philip Worland

A tunable semiconductor laser assembly includes a laser with a seal surface, a semiconductor active region positioned between upper and lower confining regions of opposite type semiconductor material and first and second reflective members positioned at opposing edges of the active and confining regions. A seal cap includes a seal ring. The seal cap seal ring is coupled to the seal surface and forms a hermetic seal. A wavelength tuning member and a temperature sensor is coupled to the laser. A temperature sensor coupled to the laser. A control loop is coupled to the temperature sensor and the tuning member. In response to a detected change in temperature the control loop sends an adjustment signal to the tuning member, and the tuning member adjusts a voltage or current supplied to the laser to provide a controlled frequency and power of an output beam.

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Emeryville, CA, United States of America

Gabriel Ll