Optical signal amplifying circuit

Details Optical signal amplifying circuit Optical signal amplifying circuit

1997-08-05

1999-01-26

Hellner, Mark

Optical: systems and elements

Optical amplifier

Optical fiber

359337, H01S 300

Patent

active

058644245

ABSTRACT:
The invention set forth in this document discloses an optical amplifying circuit which includes a dielectric multilayer interference filter disposed at an output side or an input side of the optical amplifying element that is a part of the optical amplifying circuit. The dielectric multilayer interference filter suppresses off-band spontaneous emission.

REFERENCES:
patent: 3579130 (1971-05-01), Smiley
patent: 4778263 (1988-10-01), Foltyn
patent: 5260823 (1993-11-01), Payne et al.
patent: 5594578 (1997-01-01), Ainslie et al.
patent: 5706125 (1998-01-01), Nakano

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