Optical performance monitor utilizing nonlinear detection

Details Optical performance monitor utilizing nonlinear detection Optical performance monitor utilizing nonlinear detection

2007-01-30

2007-01-30

Pascal, Leslie (Department: 2613)

Optical communications

Receiver

Including optical element

C398S028000, C398S034000

Reexamination Certificate

active

10242589

ABSTRACT:
An optical performance monitor particularly well-suited for use in dense wavelength-division multiplexed (DWDM) systems includes both a nonlinear optical detector and a conventional linear detector. The nonlinear optical detector, which may comprise a quadratic detector, is used to provide information, on a channel-by-channel basis, regarding chromatic dispersion, polarization mode dispersion and accumulated amplified spontaneous emission (ASE) noise in each signal wavelength.

REFERENCES:
patent: 5471334 (1995-11-01), Masuda et al.
patent: 5986782 (1999-11-01), Alexander et al.
patent: 6925262 (2005-08-01), Ooi et al.

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