Optical receiver and optical transceiver using the same

Details Optical receiver and optical transceiver using the same Optical receiver and optical transceiver using the same

2011-05-03

2011-05-03

Pascal, Leslie (Department: 2613)

Optical communications

Receiver

Including optical element

C398S212000

Reexamination Certificate

active

07937000

ABSTRACT:
A small, low cost, low power-consumption optical receiver transmits signals at a high bit rate of approximately 10 Gbps over a long distance of 100 km or longer without chromatic dispersion compensation. An optical filter with a variable filtering wavelength is provided in the optical waveguide. A frequency-modulated signal light is inputted into the waveguide and transferred to the through port and the drop port thereof. The filter limits the frequency-modulated signal light to a predetermined frequency band and converts the said light to an intensity-modulated signal. The first and second converters provided at the through and drop ports to convert the first and second components of the intensity-modulated signal to electric signals, respectively. The filtering wavelength of the filter is controlled using the electric signals from the first and second converters. The input signal is regenerated from the electric signal of the second converter.

REFERENCES:
patent: 7092641 (2006-08-01), Windover
patent: 7639955 (2009-12-01), Zheng et al.
patent: 03009624 (1991-01-01), None
patent: 06265832 (1994-09-01), None
patent: 07038503 (1995-02-01), None
patent: 2004343360 (2004-12-01), None

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