Optical waveguide gain-shaped amplifier including wavelength mul

Details Optical waveguide gain-shaped amplifier including wavelength mul Optical waveguide gain-shaped amplifier including wavelength mul

1994-07-15

1995-05-16

Healy, Brian

Optical waveguides

With optical coupler

Input/output coupler

385 15, 385 31, 385 27, 385 42, 385141, 385142, 372 6, 359341, 359127, 359134, G02B 626, H01S 330

Patent

active

054168651

ABSTRACT:
A wavelength multiplexing tapered fused fibre coupler is used to splice a second length of optical amplifier fibre between first and third lengths in such a way that pump power bypasses it. The second length is therefore unpumped and acts as a notch filter smoothing out the spectral gain characteristic of the first and third lengths.

REFERENCES:
patent: 4839898 (1989-06-01), Payne et al.
patent: 4859018 (1989-08-01), O'Sullivan et al.
patent: 4900119 (1990-02-01), Hill et al.
patent: 5067789 (1991-11-01), Hall et al.
patent: 5131069 (1992-07-01), Hall et al.
patent: 5239607 (1993-08-01), da Silva et al.
patent: 5243609 (1993-09-01), Huber
patent: 5260823 (1993-11-01), Payne et al.
patent: 5271024 (1993-12-01), Huber
patent: 5363234 (1994-11-01), Newhouse et al.
patent: 5375010 (1994-12-01), Zervas et al.

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