Optical communications laser including a resonator filter

Details Optical communications laser including a resonator filter Optical communications laser including a resonator filter

1987-07-21

1989-05-02

Lee, John D.

Coherent light generators

Particular component circuitry

Optical pumping

372 20, 372 32, 372 50, G02B 610

Patent

active

048262820

ABSTRACT:
A structure of first and second grating sections separated by a phase-shift section serves as a narrow-band resonator filter. Such structure may be optically coupled to a semiconductor laser cavity, and the resulting assembly can serve as a tunable narrow-linewidth laser, e.g., in wavelength-multiplexed and coherent-lightwave communications systems.

REFERENCES:
patent: 4309667 (1982-01-01), Di Forte et al.
patent: 4532632 (1985-07-01), Yamashita et al.

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