Apparatus and method for improving signal-to-noise ratio in wave

Details Apparatus and method for improving signal-to-noise ratio in wave Apparatus and method for improving signal-to-noise ratio in wave

1995-12-28

1998-03-10

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359131, 359173, 359179, H04B 1000

Patent

active

057267871

ABSTRACT:
For use in a soliton optical pulse transmission system, an apparatus for, and method of, increasing a signal-to-noise ratio of the system. The apparatus includes: (1) a component for receiving a soliton and an accompanying background noise from the system and increasing a power density of the soliton and the accompanying background noise and (2) a saturable absorber, having a predetermined recombination rate, for receiving and absorbing a portion of the soliton and the accompanying background noise, the predetermined recombination rate causing the saturable absorber to absorb a lesser portion of the soliton than of the accompanying background noise, the component having increased the power density of the soliton and the accompanying background noise to increase a sensitivity of the saturable absorber, the apparatus thereby increasing the signal-to-noise ratio of the system.

REFERENCES:
patent: 5532861 (1996-07-01), Pirio et al.

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