Laser beam oscillating apparatus

Details Laser beam oscillating apparatus Laser beam oscillating apparatus

1991-01-29

1992-09-01

Epps, Georgia Y.

Coherent light generators

Particular active media

Semiconductor

372 21, 385130, 359326, 359328, 359332, H01S 319

Patent

active

051446367

ABSTRACT:
A laser beam oscillating apparatus which includes a plurality of semiconductor laser beam oscillators (21, 22, 23) oscillating laser beams of a different wavelength from each other, an optical waveguide (12) formed on a substrate (11) so that the oscillated laser beams propagate therein and are then emitted in the same direction from the output end thereof and an optical coupler (13) to introduce the laser beams into the optical waveguide, thus allowing simultaneous introduction of these semiconductor laser beams of different wavelengths into the optical waveguide and simultaneous output of them in the same direction from the output end thereof.

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patent: 4725131 (1988-02-01), Goodwin et al.
patent: 5007694 (1991-04-01), Yamamoto et al.
patent: 5016253 (1991-05-01), Kubota
patent: 5046802 (1991-09-01), Yamamoto et al.
T. Tamir and S. T. Peng, "Analysis and Design of Grating Couplers": Appl. Phys. 14, pp. 235-254, 1977.
E. J. Lim et al., "Second-Harmonic Generation of Green Light in Periodically Poled Planar Lighium Niobate Waveguide", Electronics Letters vol. 25, No. 3, pp. 174-175, Feb. 2, 1989.

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