Polarization insensitive amplification device

Details Polarization insensitive amplification device Polarization insensitive amplification device

1992-05-29

1994-03-15

Lobo, Ian J.

Optical: systems and elements

Optical amplifier

Multiple pass

359333, G02B 530, H01S 302

Patent

active

052950166

ABSTRACT:
A polarization-independent amplification device comprising an optical semiconductor amplifier. The amplification device input signal is fed to one side of the amplifier and a reflector is provided at the other side. The amplification device output signal, formed by the amplification device input signal reflected by the reflector and amplified by the amplifier, is taken off at the first side of the amplifier. The reflector is reciprocal, a signal or signal component fed thereto and having a polarization perpendicular to the principal axis of the amplifier being reflected as a reflection signal having a polarization which is virtually parallel to said principal axis and vice versa.

REFERENCES:
patent: 4900917 (1990-02-01), Dixon et al.
patent: 4941738 (1990-07-01), Olsson
patent: 4952017 (1990-08-01), Henry et al.
patent: 5010586 (1991-04-01), Mortimore et al.
Electronics Letters, No. 22, Oct. 25, 1990, Stevenage GB Herts., GB, 1913-1914, M. Sumida, "Polarisation Insensitive Configuration of Semiconductor Laser Amplifier".

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