Optical burst mode receiver

Details Optical burst mode receiver Optical burst mode receiver

2006-07-05

2010-02-09

Tran, Dzung D (Department: 2613)

Optical communications

Receiver

Including postcompensation

C398S207000, C398S212000

Reexamination Certificate

active

07660538

ABSTRACT:
An optical burst mode receiver comprises a photo-detector receiving an optical signal for conversion to a current signal, a transimpedance amplifier receiving and converting the current signal into first and second transmit signals, a limiting amplifier comprising first and second input terminals and an output terminal generating a data signal, and a control circuit coupled to the first and second transmit signals to verify that if the optical signal is valid. The control circuit is further coupled to the first and second input terminals of the limiting amplifier. When the optical signal is valid, the control circuit provides the first and second input terminals with the first and second transmit signals respectively to generate the data signal. When the optical signal is invalid, the control circuit provides the first and second input terminals with distinct voltage levels to maintain the data signal at a steady level.

REFERENCES:
patent: 2002/0063937 (2002-05-01), Kikuchi
patent: 2003/0067662 (2003-04-01), Brewer et al.
patent: 2004/0190912 (2004-09-01), Seo et al.
patent: 2005/0281565 (2005-12-01), Duanmu et al.
patent: 1242941 (2005-11-01), None

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