Femtosecond laser frequency combs can have sub-hertz linewidths when phase-locked to a similarly narrow reference laser. Long term coherence is verified by high-contrast interference between two combs with integration times up to 10 s.
Sub-hertz stabilization of femtosecond laser frequency combs
Conference on Lasers and Electro-Optics, 2004. (CLEO). ; 1 ; 2 pp. vol.1
2004-01-01
171054 byte
Conference paper
Electronic Resource
English
Interband Cascade Laser Frequency Combs
NTRS | 2019
|OPTICAL FREQUENCY COMBS: Glass microtoroids generate combs
British Library Online Contents | 2008
Laser Frequency Combs for Coherent Optical Communications
British Library Online Contents | 2019