[20p-C301-1~12] 3.5 Ultrashort-pulse and high-intensity lasers

1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)English Presentation

[20p-C301-3] Dither-locked mid-infrared femtosecond subharmonic OPO using ZnGeP₂

〇Xiangbao Bu¹, Wenqing Song¹, Clement Ribot¹, Ikki Morichika¹, Satoshi Ashihara¹ (1.Institute of Industrial Science, The University of Tokyo)

Keywords:

subharmonic OPO,mid-infrared,femtosecond

We report a mid-infrared femtosecond subharmonic OPO using ZnGeP₂ as a nonlinear crystal. The spectra of degenerate state (around 4.7 μm) and double-resonant state are stabilized for >1 h using dither-locking.