Method of manufacturing a distributed brass reflector type semic

Details Method of manufacturing a distributed brass reflector type semic Method of manufacturing a distributed brass reflector type semic

1989-09-26

1991-09-03

Chaudhuri, Olik

Fishing, trapping, and vermin destroying

148DIG95, 148DIG119, 156654, 156662, 437 81, 437133, H01L 2120, H01L 21203

Patent

active

050454994

ABSTRACT:
Disclosed are a distributed Bragg reflector type semiconductor laser and a method of manufacturing such a laser a high yields, in which the upper surface of an active waveguide is covered by an external waveguide, the external waveguide at side portions thereof, the external waveguide is coupled with the edge surfaces of the active waveguide without any gap remaining, and the coupling ratio of the active waveguide and external waveguide is high.

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Aoli et al., ". . . Distributed Reflector (DR) Laser with High-Low Reflection Grating Structure", Electron. Lett., vol. 25, No. 24, Nov. 23, 1989, pp. 1650-1651.
Choi et al., "A New-Type . . . BIG-DBR Laser by an Island-Type Mesa Process", Jpn. J. Appl. Phys. 2, Lett., vol. 26, No. 10, Oct. 1987, pp. L1593-L1596.
Tohmori et al., "Bundle-Integrated-Guide (BIG) Distributed-Bragg-Reflector (DBR) Lasers", Trans. Inst. Electron. Inf. 8 Commun. eng. E, May 1987, vol. E70, No. 5, pp. 494-503.
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