Bistable optical device

Details Bistable optical device Bistable optical device

1984-10-05

1987-06-16

Davie, James W.

Coherent light generators

Particular resonant cavity

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372 8, 372 50, H01S 319

Patent

active

046741003

ABSTRACT:
An optical bistable device comprising a semiconductor laser including a diffraction grating which diffracts light parallel to the grating for laser resonance and additionally diffracts a higher order Bragg beam perpendicular to the grating. An optical detector receives the higher order beam and produces an electrical signal which is used as a partial exciting current for the semiconductor laser. Thereby, the two optical ports of the laser can be used for other purposes.

REFERENCES:
patent: 4338577 (1982-07-01), Sato et al.
Ogawa et al., "Bistable Optical Device Using a Light Emitting Diode", Applied Optics, vol. 21, No. 11, Jun. 1, 1982, pp. 1878-1880.

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