Title :
Optical generation of narrow-line RF by injection locking of modulated DFB lasers
Author :
Schneider, Garrett J. ; Murakowski, Janusz ; Shi, Shouyuan ; Prather, Dennis W.
Author_Institution :
Electr. & Comput. Eng., Univ. of Delaware, Newark, DE, USA
Abstract :
A pair of commercial DFB lasers has been phase locked using electro-optic modulation and injection seeding. By mixing the locked lasers´ outputs on a photodetector, we have generated RF from 5 to 50 GHz, with a measured linewidth below 2 Hz.
Keywords :
distributed feedback lasers; electro-optical modulation; laser mode locking; optical pulse generation; electrooptic modulation; injection locking; injection seeding; modulated DFB lasers; narrow-line RF; optical generation; phase locked laser; Frequency modulation; Measurement by laser beam; Optical filters; Optical mixing; RF signals; Radio frequency; Semiconductor lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4