Semiconductor laser device

Details Semiconductor laser device Semiconductor laser device

1989-04-14

1990-10-02

Sikes, William L.

Coherent light generators

Particular active media

Semiconductor

372 46, 357 4, 357 17, H01S 319

Patent

active

049611976

ABSTRACT:
A high-power low-noise semiconductor laser device required for light sources for an erasable optical disc is a self-sustained pulsating semiconductor laser device in which an MQW structure is used for an active layer, and thus a kink output power and a light output power by which the self-pulsation is enabled are increased to 10 mW or more and noise is reduced. Another semiconductor laser device of a self-pulsation type has impurities that are doped in the active layer to reduce the self-pulsating frequency to obtain a low-noise characteristic even if higher optical feedback occurs. 259

REFERENCES:
patent: 4740976 (1988-04-01), Kajimura et al.
patent: 4845724 (1989-07-01), Hayakawa et al.
Appl. Phys. Lett., 45(8), Oct. 15, 1984, pp. 836-837.
IECE Technical Report on Optical and Quantum Electronics, OQE, 88-5, pp. 33-38.

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