A ring-shaped resonator type semiconductor laser device

Details A ring-shaped resonator type semiconductor laser device A ring-shaped resonator type semiconductor laser device

1986-09-23

1988-12-20

Davie, James W.

Coherent light generators

Particular resonant cavity

Folded cavity

372 45, 372 50, H01S 319

Patent

active

047929626

ABSTRACT:
A semiconductor laser device comprising: a ring-shaped resonator constituted by a square-shaped optical waveguide composed of four straight optical waveguide sides in which facing sides are positioned in a parallel manner and a reflecting mirror is formed at each of the four corners of said square-shaped optical waveguide in a manner to divide the intersection angle of two each of said four sides at each of said four corners into two equal parts, and a means, for releasing laser light from said ring-shaped resonator, which is disposed on or near a part or the whole area of at least one of said four sides of said square-shaped optical waveguide.

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W. Brunner und K. Munge: Lasertechnik, 1982, S. 210-212.
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Higuchi et al., Laser Kenkyu, vol. 13, p. 156, 1985.
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Hirano, R., et al. Appl Phys Lett, 43(2), Jul. 15, 1983.
Japanese Journal of Applied Physics, vol. 16, No. 8, Aug. 1977.
Tsang, W. T., Appl Phys Lett, 39(10), Nov. 15, 1981.
Dutta, N. K., J Appl Phys, 53(11), Nov. 1982.
Iwamura, H., Electronics Letters, vol. 19, No. 5, Mar. 3, 1983.

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