Optical multiplexing transmission apparatus and system

Details Optical multiplexing transmission apparatus and system Optical multiplexing transmission apparatus and system

2005-07-12

2005-07-12

Sedighian, M. R. (Department: 2633)

Optical communications

Multiplex

Time division

C398S182000, C398S197000

Reexamination Certificate

active

06917761

ABSTRACT:
An optical multiplexing apparatus converts input signals from multiple channels to an optical signal including optical pulses multiplexed on the time axis, transmits the optical signal, and controls the average power of the transmitted optical signal so as to maintain constant transmission quality even if the input signal on one or more channels is lost. For example, the average power may be held at a target value that varies according to the combined duty cycle of the multiplexed optical pulses. Alternatively, the average optical power may be held constant and dummy signals may be inserted to replace lost input signals, or to fill idle channels until signal input begins.

REFERENCES:
patent: 5533004 (1996-07-01), Jasper et al.
patent: 6694104 (2004-02-01), Caplan et al.

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