Diode laser with ring reflector

Details Diode laser with ring reflector Diode laser with ring reflector

1977-01-21

1978-09-05

Miller, Jr., Stanley D.

Oscillators

Molecular or particle resonant type

350 9611, 357 18, H01S 319

Patent

active

041123891

ABSTRACT:
A diode laser having an active region which has a section in the shape of a closed loop or ring, with the path length of the loop or ring causing a light wave traveling completely around the loop or ring section from a coupler section of the active region to undergo a phase shift of 180.degree. relative to its starting phase whereby the two waves interfere destructively, and thus provide optical feedback.

REFERENCES:
patent: 3605037 (1971-09-01), D'Asaro
Elsa Garmire, "Moving Toward Integrated Optics", Laser Focus, Oct. 1975, pp. 55-59.

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