Optoelectronic laser module

US6647038B2 · kind B2 · utility

Assignee

• Infineon Technologies AG · DE

Inventors

• Hans-Ludwig Althaus · Lappersdorf, DE
• Helmut Albrecht · Hersbruck, DE
• Manfred Rothhardt · Jena, DE
• Martin Becker · Kiel, DE

Key dates

• Filing date: Oct 3, 2001
• Grant date: Nov 11, 2003
• Expiry date: Oct 3, 2021

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01S5/4087
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

An optoelectronic laser module, in particular for dense wavelength division multiplex systems, is described. The laser module has a laser diode with an active region, an optical resonator containing a highly silvered reflecting surface and a Bragg interference grating which provides frequency-selective feedback, and a housing which accommodates the laser diode and has a holder for coupling an optical conductor. The Bragg interference grating is configured as a fiber Bragg grating in an optical conductor and the optical conductor is connected to the housing via the holder. As a result, it is possible with the use of standard components to provide a laser having an external resonator whose emission wavelength can be set in a simple way by suitable selection of the fiber Bragg grating.