Wavelength division multiplexing light source apparatus...

Details Wavelength division multiplexing light source apparatus... Wavelength division multiplexing light source apparatus...

2007-09-11

2007-09-11

Sedighian, M. R. (Department: 2613)

Optical communications

Multiplex

Wavelength division or frequency division

C398S082000

Reexamination Certificate

active

10688568

ABSTRACT:
A WDM (Wavelength Division Multiplexing) light source apparatus using a SOA (Semiconductor Optical Amplifier) is disclosed. The WDM light source apparatus includes N SOAs, a 1×N multiplexer/demultiplexer, and a reflective mirror. The N SOAs have one end coated with a substance of a first reflection factor and the other end coated with a substance of a second reflection factor, directly modulate their input signals into optical signals according to a high-speed data signal to be transmitted, and amplify the modulated signal. The 1×N multiplexer/demultiplexer has one end composed of N terminals and the other end composed of one terminal. The N terminals are coupled with the N SOAs. The reflective mirror having a high reflection factor is connected to one terminal of the 1×N multiplexer/demultiplexer to reflect a signal received from the 1×N multiplexer/demultiplexer.

REFERENCES:
patent: 2001/0030810 (2001-10-01), Gaebe
patent: 2002/0159688 (2002-10-01), Kim et al.
patent: 2003/0007207 (2003-01-01), Healey et al.

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