Two coherent 1.5-µm frequency combs are transferred to 3.4 µm by difference frequency generation with a 1064 nm cw laser. From a multi-heterodyne measurement, the residual linewidth between the comb teeth is resolution-limited at 200 mHz.
Proceedings Title: 2010 Conference of Lasers and Electro-optics (CLEO)and International Quantum Electronics Conference (IQEC)
Conference Dates: May 16-21, 2010
Conference Location: San Jose, CA
Pub Type: Conferences
DFG, optical frequency comb, spectroscopy