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Optical Generation of Microwave Signals Compact Optical Generation of Microwave Signals Using a Monolithic Quantum Dot Passively Mode-Locked Laser

By J. H. Kim, Student Member, C. G. Christodoulou, L. F. Lester and Senior MemberL. F. Lester and Senior Member


Abstract: Microwave signal generation from the saturable absorber of a monolithic quantum dot passively mode-locked laser is presented. We observe a differential efficiency of 33% that measures the optical-to-RF power conversion. An optimum extraction efficiency of the saturable absorber of about 86 % is also found. To assess the stability of the device, the mode-locking operation regime of the quantum dot device is analyzed and compared to the quantum well system. Our findings confirm that quantum dot mode-locked lasers are suitable candidates for the optical generation of RF signals in a compact and efficient semiconductor device. Index Terms: Mode-locked lasers, multifrequency antennas, reconfigurable architectures, semiconductor lasers

Year: 2010
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