Wavelength tunable optical transmitter and optical transceiver

Details Wavelength tunable optical transmitter and optical transceiver Wavelength tunable optical transmitter and optical transceiver

2006-06-14

2010-06-08

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular beam control device

Optical output stabilization

C372S020000, C372S029021, C372S030000, C372S031000, C372S034000

Reexamination Certificate

active

07733929

ABSTRACT:
A wavelength tunable laser module for DWDM is used, in which a single electroabsorption modulator integrated laser is mounted and an oscillation wavelength is made tunable by temperature control. Driving conditions of a laser and a modulator are determined such that they have approximately the same modulation and transmission characteristics in a temperature control range. Such an electroabsorption modulator integrated laser is used and the driving conditions are incorporated, thereby a small, inexpensive wavelength tunable optical transmitter can be provided.

REFERENCES:
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patent: 6516017 (2003-02-01), Matsumoto
patent: 7372879 (2008-05-01), Giaretta et al.
patent: 2003/0095736 (2003-05-01), Kish, Jr. et al.
patent: 0 813 272 (1997-12-01), None
patent: 2001-144367 (2001-05-01), None
patent: 2005-045548 (2005-02-01), None
patent: WO 03/023915 (2003-03-01), None
Wide Temperature Range (0 to 85° C.), 40-km SMF Transmission of a 1.55-μm, 10-Gbit/s InGaAlAs Electroabsorption Modulator Integrated DFB Laser, Shigeki Makino, et al., © 2005 Optical Society of America, 3 pages.
European Search Report issued in corresponding European Patent Application No. 06012308.0, dated Jan. 16, 2008.

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