Title :
Optical generation of a highly coherent microwave signal by heterodyne phase locking two grating coupled external cavity semiconductor lasers
Author :
Fan, Zhencan Frank ; Heim, Peter J S ; Dagenais, Mario
Author_Institution :
Dept. of Electr. Eng., Maryland Univ., College Park, MD, USA
Abstract :
Summary form only given. In summary, two 830 nm external cavity semiconductor lasers were phase locked by using a discriminator-aided phase locked loop. A microwave signal with very low phase noise and less than mHz centre carrier linewidth was achieved
Keywords :
demodulation; diffraction gratings; electro-optical modulation; laser cavity resonators; laser mode locking; laser noise; laser transitions; microwave generation; optical couplers; optical phase locked loops; optical transmitters; phase noise; semiconductor lasers; spectral line breadth; 830 nm; discriminator-aided phase locked loop; external cavity semiconductor laser phase locking; grating coupled external cavity semiconductor lasers; heterodyne phase locking; highly coherent microwave signal optical generation; laser mode locking; mHz centre carrier linewidth; microwave signal; optical communications equipment; optical transmitters; very low phase noise; Bandwidth; Frequency; Gratings; Holographic optical components; Holography; Masers; Microwave generation; Optical mixing; Semiconductor laser arrays; Signal generators;
Conference_Titel :
Lasers and Electro-Optics Society Annual Meeting, 1997. LEOS '97 10th Annual Meeting. Conference Proceedings., IEEE
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-3895-2
DOI :
10.1109/LEOS.1997.630687
