2009/02/11 by Florian Adler, Kevin C. Cossel, Michael J. Thorpe +4 · 313 citations
Engineering · Physics and Astronomy · #Advanced Fiber Laser Technologies #Beat (acoustics) #Comb generator #Femtosecond #Fiber laser #Frequency comb #Laser #Laser linewidth #Laser-Matter Interactions and Applications #Lithium niobate #Materials science #Optical parametric oscillator #Optics #Optoelectronics #Photonic and Optical Devices #Physics #Wavelength #physics.atom-ph #physics.optics
paper · pdf · doi:10.1364/ol.34.001330
published in Optics Letters 34(9), 1330 (Optica Publishing Group) · 4 figures
arxiv created 2009/02/11 · openalex publication_date 2009/04/17 · arxiv updated 2015/05/12 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
We present a high-power optical-parametric-oscillator (OPO) based frequency comb in the mid-IR wavelength region. The system employs periodically poled lithium niobate and is singly resonant for the signal. It is synchronously pumped by a 10 W femtosecond Yb:fiber laser centered at 1.07 microm. The idler (signal) wavelength can be continuously tuned from 2.8 to 4.8 microm (1.76 to 1.37 microm) with a simultaneous bandwidth as high as 0.3 microm and a maximum average idler output power of 1.50 W. We also demonstrate the performance of the stabilized comb by recording the heterodyne beat with a narrow-linewidth diode laser. This OPO is an ideal source for frequency comb spectroscopy in the mid-IR.