Semiconductor laser which reduces the coherency of the oscillati

Details Semiconductor laser which reduces the coherency of the oscillati Semiconductor laser which reduces the coherency of the oscillati

1986-03-03

1988-09-13

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 46, 372 48, H01S 319

Patent

active

047714328

ABSTRACT:
A semiconductor laser comprising a middle-positioned active layer sandwiched between the lower-positioned active layer and the upper-positioned active layer, the refractivity of each of said lower- and upper- positioned active layers being slightly different from that of the middle-positioned active layer.

REFERENCES:
patent: 4016505 (1977-04-01), Itoh et al.
patent: 4328469 (1982-05-01), Scifres et al.
Matsui, S., et al., Appl Phys Lett 43(3), 1983, pp. 219-221.
W. T. Tsang, Applied Physics Letters, vol. 38, No. 11, Jun. 1981, pp. 835-837.
Patent Abstracts of Japan, vol. 6, No. 238 (E-144) [1116], Nov. 26, 1982; & JP-A-57 139 983 (Nippon Denki K.K.) 30-08-1982.
Patent Abstracts of Japan, vol. 6, No. 254 (E-148) [1132], Dec. 14, 1982; & JP-A-57 153 486 (Nippon Denki K.K.) 22-09-1982.
Patent Abstracts of Japan, vol. 9, No. 19 (E-292) [1742], Jan. 25, 1985; & JP-A-59 167 083 (Nippon Denshin Denwa Kosha) 20-09-1984.

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