Optically pumped optical waveguide amplifier

Details Optically pumped optical waveguide amplifier Optically pumped optical waveguide amplifier

1997-12-23

1999-10-12

Lee, John D.

Optical waveguides

With optical coupler

Particular coupling function

385 37, 372 6, 359130, 359341, G02B 626

Patent

active

059664819

ABSTRACT:
An optically amplifying waveguide guides both the LP.sub.01 and the LP.sub.02 mode. Its erbium distribution profile is preferentially matched with the modal field distribution of the LP.sub.02 mode. The waveguide is provided with long period perturbations of a pitch and strength that resonantly couples signal power of different wavelengths from propagation in the LP.sub.01 mode to propagation in the LP.sub.02 mode and back again to propagation in the LP.sub.01 mode whereby the longitudinal distribution of gain along the waveguide at one wavelength is longitudinally displaced with respect to that at least one other wavelength.

REFERENCES:
patent: 5623508 (1997-04-01), Grubb et al.
patent: 5740292 (1998-04-01), Strasser
patent: 5768012 (1998-06-01), Zanoni et al.
patent: 5892615 (1999-04-01), Grubb et al.

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