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:
Mar. 05, 1996
Filed:
Dec. 19, 1994
Applicant:
Inventor:
Kyu-Seok Lee, Daejeon, KR;
Assignee:
Electronics & Telecommunications Research Institute, Daejeon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 96 ; 372102 ; 372 20 ; 372 50 ;
Abstract
Disclosed is a semiconductor laser with a super structure grating DBR capable of generating a pulse train of from several hundred giga Hz to several tera Hz, comprising a saturable absorber section, a gain section, a phase control section and an super structure grating distributed Bragg reflector section, the Bragg reflector section having at least five sampling periods, each of the sampling periods having grating pitches of 233.5 nm, 235 nm, 236.5 nm, 238 nm and 239.5 nm, and said grating pitches being arranged corresponding to wavelengths of 5837.5 nm, 1175 nm, 5912.5 nm, 1195 nm and 5987.5 nm, respectively.