Coherent light generators – Particular active media – Semiconductor
Patent
1984-04-10
1986-04-08
Davie, James W.
Coherent light generators
Particular active media
Semiconductor
357 17, 372 48, H01S 319
Patent
active
045817421
ABSTRACT:
A laser comprises a semiconductor body having a pair of end faces and including an active region comprising adjacent active and guide layers which is spaced a distance from the end face and a passive region comprising adjacent non-absorbing guide and mode control layers which extends between the active region and the end face. The combination of the guide and mode control layers provides a weak positive index waveguide in the lateral direction thereby providing lateral mode control in the passive region between the active region and the end face.
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Botez, IEEE Journal of Quantum Electronics, QE-17, 78 (1981).
Burke William J.
Cohen Donald S.
Davie James W.
Morris Birgit E.
RCA Corporation
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