Optical transmission system and optical transmission method

Details Optical transmission system and optical transmission method Optical transmission system and optical transmission method

1996-09-04

1998-06-16

Bovernick, Rodney B.

Optical waveguides

Temporal optical modulation within an optical waveguide

385 2, 385 8, 359181, 359182, G02F 101, H04B 1004

Patent

active

057684499

ABSTRACT:
When an electric signal outputted from a signal source (101) is converted to a light signal in an electrica-optical converting portion (104), a distortion component such as secondary or tertiary distortion is caused in the light signal to deteriorate transmission quality. Therefore, the light signal outputted from the electrica-optical converting portion (104) is further intensity-modulated with the same electric signal in an external light modulation portion (106) to forcibly cause a distortion which is out of phase with and of the same amplitude as the distortion component caused in the electrical-optical converting portion (104), thereby canceling the distortion component included in the light signal. Consequently, an optical transmission system capable of high-quality optical transmitting can be realized while employing a device having equivalent performance with the conventional devices.

REFERENCES:
patent: 5383046 (1995-01-01), Tomofuji et al.
patent: 5515199 (1996-05-01), Farina

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