The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 21, 1998
Filed:
Dec. 02, 1996
Applicant:
Inventor:
Kevin Christopher Byron, Bishop's Stortford, GB;
Assignee:
Northern Telecom Limited, Montreal, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385 27 ; 385 37 ; 385 31 ; 385 24 ;
Abstract
Optical FM is converted to AM, for instance for injection laser emission wavelength stabilisation, using an optical arrangement comprising a 2.times.2 3 dB coupler and a pair of monotonically oppositely chirped Bragg fiber grating spectrally selective reflectors connected in Mach Zehnder configuration.