Light emitting chip and optical communication apparatus using th

Details Light emitting chip and optical communication apparatus using th Light emitting chip and optical communication apparatus using th

1987-07-23

1988-10-18

Sikes, William L.

Coherent light generators

Particular active media

Semiconductor

357 17, 372 45, H01L 3300, H01S 319

Patent

active

047792817

ABSTRACT:
This invention relates to a semiconductor laser of a buried-hetero structure. In this semiconductor laser, the side surfaces of an active layer are in contact with a plane having a stable state of interface. As a result, the threshold current value of this semiconductor laser is low, and a stable operation can be obtained without causing any kink (projection) in the current-optical output characteristics. An optical communication system using this semiconductor layer has a low operating current, and can maintain high coupling efficiency with an optical fiber without the occurrence of noise, so that optical communication having high reliability is possible.

REFERENCES:
patent: 4426700 (1984-01-01), Hirao et al.
patent: 4566171 (1986-01-01), Nelson et al.

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