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Field effect semiconductor lasers

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4 Author(s)
Jyong An ; Institute of Scientific and Industrial Research, Osaka University, Osaka, Japan ; Yoshio Cho ; Ohke, S. ; Matsuo, Y.

A new semiconductor laser, the field-effect semiconductor (FES) laser, in which the both sides of the active region are surrounded by the burying layers with the reverse-biased p-n junctions is proposed. The proposed FES laser is a Q -switching device based on the direct control of laser beam intensity by the internal loss modulation through the field effect. The structure design and the operating principles of the device are discussed. Numerical solution shows that a pulsewidth shorter than 30 ps can be obtained.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:16 ,  Issue: 12 )