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LARGE COLLIMATED OUTPUT BEAMS FROM DBR LASERS

IP.com Disclosure Number: IPCOM000024005D
Original Publication Date: 1979-Jun-30
Included in the Prior Art Database: 2004-Apr-01

Publishing Venue

Xerox Disclosure Journal

Abstract

The distributed Bragg reflector (DBR) laser 10 comprises the active layer 12 and confinement layers 14 and 16 supported on a substrate 18- Periodic gratings 20 provide suitable feedback for DBR mode of operation. Laser 10 is integral to a tapered waveguide 22 which is provided with an output grating 24.