Title :
Sub-hertz stabilization of femtosecond laser frequency combs
Author :
Barrels, A. ; Gates, C.W. ; Hollberg, L. ; Diddams, S.A.
Author_Institution :
Time & Frequency Div., Nat. Inst. of Stand. & Technol., Boulder, CO, USA
Abstract :
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.
Keywords :
frequency standards; high-speed optical techniques; laser frequency stability; light coherence; light interference; optical phase locked loops; spectral line breadth; 10 s; femtosecond laser; frequency combs; high-contrast interference; long term coherence; narrow reference laser; phase-locked laser; subhertz linewidths; subhertz stabilization;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
