SINGLE-MODE DBR LASER WITH IMPROVED PHASE-SHIFT SECTION AND METHOD FOR FABRICATING SAME - Patent 1509975

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EP 1 509 975 A1

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(43)	Date of publication:
	02.03.2005 Bulletin 2005/09

(21)	Application number: 03731472.1

(22)	Date of filing: 29.05.2003

(51)	International Patent Classification (IPC)⁷: H01S 3/08, H01S 5/00

(86)	International application number:
	PCT/US2003/017166

(87)	International publication number:
	WO 2003/103107 (11.12.2003 Gazette 2003/50)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
	Designated Extension States:
	AL LT LV MK

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Priority:

31.05.2002 US 159347
31.05.2002 US 159361

(71)	Applicant: Applied Optoelectronics Inc.
	Sugar Land, TX 77478 (US)

(72)	Inventors:
	HWANG, Wen-Yen Sugar Land, TX 77479 (US) ANSELM, Klaus, Alexander Sugar Land, TX 77478 (US) ZHENG, Jun Houston, TX 77063 (US)

(74)	Representative: W.P. Thompson & Co.
	Coopers BuildingChurch Street Liverpool L1 3AB Liverpool L1 3AB (GB)

(54)	SINGLE-MODE DBR LASER WITH IMPROVED PHASE-SHIFT SECTION AND METHOD FOR FABRICATING SAME