Interferometric semiconductor laser

US5105433A · kind A · utility

Assignee

• Alcatel N.V. · NL

Inventors

• Hartmut Eisele · Esslingen am Neckar, DE
• Olaf Hildebrand · Stuttgart, DE
• Albrecht Mozer · Burghausen, DE
• Michael Schilling · Stuttgart, DE
• Heinz Schweizer · Heidenheim, DE
• Klaus Wunstel · Schwieberdingen, DE
• Ulrich Spalthoff · Stuttgart, DE

Key dates

• Filing date: Sep 14, 1990
• Grant date: Apr 14, 1992
• Expiry date: Sep 14, 2010

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01S5/1003
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A semiconductor laser which includes a controllable beam splitter has three segments including laser-active zones and a monitor diode forming a cross-shaped laser connected with one another by way of the beam splitter. The beam splitter is equipped with electrodes for controlling optical coupling between the segments.