Apparatus and method for transmitting and receiving...

Details Apparatus and method for transmitting and receiving... Apparatus and method for transmitting and receiving...

2003-12-31

2008-11-11

Tran, Dzung D (Department: 2613)

Optical communications

Transmitter and receiver system

Including optical circuit board

C398S085000, C398S086000

Reexamination Certificate

active

07450858

ABSTRACT:
An optical sub-assembly (OSA) apparatus for use in an optical transmission system comprises a housing, a plurality of TO-can packaged optical devices, and a plurality of wavelength selective filters. Each of the plurality of TO-can packaged optical devices is sensitive to optical signal of one of a plurality of wavelengths. Each of the plurality of wavelength selective filters is capable of directing an optical signal of the one of the plurality of wavelengths in a pre-determined direction. The OSA apparatus can be used as one of an optical signal receiving apparatus and an optical signal transmitting apparatus.

REFERENCES:
patent: 6493121 (2002-12-01), Althaus
patent: 2002/0154857 (2002-10-01), Goodman et al.
patent: 2003/0048513 (2003-03-01), Bloom et al.
patent: 2003/0076559 (2003-04-01), Richard et al.
patent: 2003/0108353 (2003-06-01), Nasu et al.

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