Multi wavelength communication apparatus

Details Multi wavelength communication apparatus Multi wavelength communication apparatus

2006-06-27

2006-06-27

Payne, David C. (Department: 2638)

Optical communications

Transmitter

Having particular modulation

C398S186000

Reexamination Certificate

active

07068947

ABSTRACT:
A communication apparatus for use with a light source providing a light beam having a wavelength λ. The apparatus comprises at least one optical modulator adapted to modulate the light beam to a modulated light signal which comprises at least two additional spectral components, one of which at a wavelength of λ+Δλ and the other at a wavelength of λ−Δλ. The apparatus further comprises an optical splitting device adapted for coupling to the at least one optical modulator, for splitting the modulated light signal into at least two similar modulated light signals and at least two optical filters, each adapted to receive one of said at least two similar modulated light signals and to allow one of said at least two additional spectral components to egress therefrom.

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patent: 6081358 (2000-06-01), Tiemann et al.
patent: 6724994 (2004-04-01), Collings et al.
patent: 367546 (1989-10-01), None

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