Injection laser and photosensor assembly

U.S. Patent Number: 5365534

Abstract: Light emitted from the rear facet of an injection laser diode chip is focused to a compact spot size at the photosensitive surface of a photodiode responsive to a laser bit rate of 2.5 Gbit/s by means of a substantially ellipsoidal reflector.

Inventors: Janssen; Adrian P. (Exwick, GB), Rees; Martin P. (Paignton, GB)

Assignee: Northern Telecom Limited (Montreal, CA)

Application Number: 08/201,473

Issued: 1994-11-15

Expired: 2006-11-15

Classes: 372/36 ; 372/108; 372/109

Field of search: 372/36,108,109

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