Chengao Yang, Yi Zhang, Jin-ming Shang, Yi-hang Chen, Tian-fang Wang, X. Su, Sen-sen Li, H. Ni, Yu Zhang, Ying-qiang Xu, Z. Niu
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Distributed Bragg reflector lasers emitting around 2.3μm
We report on successful fabrication of GaSb-based type-I quantum well distributed Bragg reflector (DBR) lasers emitting around 2.3μm. Second-order Bragg gratings of chromium were patterned by electron beam lithography. For 1.5-mm-long laser diode, single mode continuous-wave operation with output power of 10mW is obtained. The devices show a stable single mode operation with high side mode suppression ratio.
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