Optical Frequency Measurement Using Frequency Multiplication and Frequency Combs

2006 ◽  
pp. 198-224
Author(s):  
Harald Schnatz ◽  
Jörn Stenger ◽  
Burghard Lipphardt ◽  
Nils Haverkamp ◽  
Carl-Otto Weiss
Keyword(s):  
Frequency Measurement ◽  
Optical Frequency ◽  
Frequency Multiplication ◽  
Frequency Combs

scholarly journals Absolute frequency measurement of unstable lasers with optical frequency combs

2010 ◽  
Author(s):  
N. Beverini ◽  
N. Poli ◽  
D. Sutyrin ◽  
F.-Y. Wang ◽  
M. Schioppo ◽  
...  
Keyword(s):  
Frequency Measurement ◽  
Optical Frequency ◽  
Absolute Frequency ◽  
Optical Frequency Combs ◽  
Frequency Combs

scholarly journals Spectral Broadening in a Continuously Pumped Singly Resonant Second-Harmonic Cavity

2021 ◽  
Vol 11 (15) ◽  
pp. 7122
Author(s):  
Simona Mosca ◽  
Tobias Hansson ◽  
Maria Parisi
Keyword(s):  
Continuous Wave ◽  
Frequency Comb ◽  
Second Harmonic ◽  
Input Power ◽  
Second Order ◽  
Optical Frequency ◽  
Frequency Combs ◽  
Research Areas ◽  
Mixed Regime ◽  
Wide Range

Optical frequency comb synthesizers with a wide spectral range are an essential tool for many research areas such as spectroscopy, precision metrology, optical communication, and sensing. Recent studies have demonstrated the direct generation of frequency combs, via second-order processes, that are centered on two different spectral regions separated by an octave. Here, we present the capability of optical quadratic frequency combs for broad-bandwidth spectral emission in unexplored regimes. We consider comb formation under phase-matched conditions in a continuous-wave pumped singly resonant second-harmonic cavity, with large intracavity power and control of the detuning over several cavity line widths. The spectral analysis reveals quite distinctive sidebands that arise far away from the pump, singularly or in a mixed regime together with narrowband frequency combs. Notably, by increasing the input power, the optical frequency lines evolve into widely spaced frequency clusters, and at maximum power, they appear in a wavelength range spanning up to 100 nm. The obtained results demonstrate the power of second-order nonlinearities for direct comb production within a wide range of pump wavelengths.

Multi-microwave sources generation based on dual optical frequency combs

2015 ◽  
Author(s):  
Wenhui Sun ◽  
Jianguo Liu ◽  
Wenting Wang ◽  
Weiyu Wang ◽  
Haiqing Yuan ◽  
...  
Keyword(s):  
Optical Frequency ◽  
Optical Frequency Combs ◽  
Frequency Combs ◽  
Microwave Sources
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