Polarization maintaining optical amplifier

Optical waveguides – Polarization without modulation

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385 31, 372 6, 372703, 359341, G02B 600, H01S 300

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active

058908161

ABSTRACT:
The invention is an optical amplifier which maintains the polarization of the signals being amplified. A polarization independent, polarization maintaining optical isolator is coupled to polarization maintaining optical fibers so that signals having polarization components in more than one direction can propagate therethrough.

REFERENCES:
patent: 5402509 (1995-03-01), Fukushima
patent: 5706124 (1998-01-01), Imoto et al.
patent: 5748364 (1998-05-01), Meli et al.
Patent No. 5,303,314, filed on Mar. 15, 1993 and issued on Apr. 12, 1994 to Duling, III et al.. Translation: yes.
Polarization-Maintaining Erbium-Doped Optical Fiber Amplifier, OAA Proceedings, Jul. 11-13, 1996, pp. 170-173, Saki et al.

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