Wavelength-tunable light source and wavelength-division...

Details Wavelength-tunable light source and wavelength-division... Wavelength-tunable light source and wavelength-division...

2007-12-21

2009-11-03

Singh, Dalzid (Department: 2613)

Optical communications

Multiplex

Wavelength division or frequency division

C398S091000

Reexamination Certificate

active

07613398

ABSTRACT:
The present invention relates to a wavelength-tunable light source whose output wavelength can be externally controlled and a wavelength-division multiplexed transmission system using the source.A wavelength-tunable light source in accordance with the present invention is constituted to be able to vary the output wavelength of a Fabry-Perot laser diode, that is wavelength-locked to an injected light, by controlling the wavelength of the injected light.A wavelength-tunable light source in accordance with the present invention provides comparatively large output power and excellent economic features.The present invention also presents a wavelength-division multiplexed transmission system using, the wavelength-tunable light source.

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