Absolute frequency measurement and phase-locking of a THz QCL with two 10 GHz frequency combs

Oliver Kliebisch,Dirk C. Heinecke,Thomas Dekorsy,Hua Li,Carlo Sirtori,G. Santarelli,Stefano Barbieri

Absolute frequency measurement and phase-locking of a THz QCL with two 10 GHz frequency combs

2016

Oliver Kliebisch
Dirk C. Heinecke
Thomas Dekorsy
Hua Li
Carlo Sirtori
G. Santarelli
Stefano Barbieri

Dual-comb sampling of an actively mode-locked phase-stabilized THz quantum cascade laser with 10 GHz Ti:sapphire frequency combs provides a method to directly determine the absolute frequency of the QCL with Hz-level precision.

Keywords:

Optics
Optoelectronics
Physics
Terahertz radiation
Quantum cascade laser
Sapphire
ultrafast optics
absolute frequency
phase locking

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