Granted Patent
Utility
US 5,748,660 · App. 08/679,120
Sample grating distributed bragg reflector laser, very widely matchable by phase variation and process for using this laser
Inventors:
Franck Delorme, Christophe Ougier
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: Jul 12, 1996
Inventors
Franck Delorme
Christophe Ougier
Assignee (at issue)
FRANCE TELECOM
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.