• Nanosecond difference-frequency-generation in orientation-patterned gallium phosphide 

      Wei, Junxiong; Chaitanya Kumar, S.; Ye, Hanyu; Devi, Kavita; Schunemann, Peter G.; Ebrahim-Zadeh, Majid (OSA, 2017-05-31)
      Article
      Accés obert
      We report a tunable, single-pass, pulsed nanosecond difference-frequency generation (DFG) source based on the new semiconductor nonlinear material, orientation-patterned gallium phosphide (OP-GaP). The DFG source is realized ...
    • Novel pulsed optical parametric sources in the mid-infrared and the application towards high-resolution molecular spectroscopy 

      Ye, Hanyu (Universitat Politècnica de Catalunya, 2019-05-03)
      Tesi
      Accés obert
      The mid-infrared (mid-IR) spectral region coincides with fundamental rotational-vibrational transitions of a large number of molecules in the gas phase. The strong interaction between mid-IR light sources and these gaseous ...
    • Optical parametric generation in orientation-patterned gallium phosphide 

      Ye, Hanyu; Chaitanya Kumar, S.; WEI, JUNXIONG; SCHUNEMANN, P. G; Ebrahim-Zadeh, Majid (OSA, 2017-09-15)
      Article
      Accés obert
      We report an optical parametric generator (OPG) based on the new nonlinear material, orientation-patterned gallium phosphide (OP-GaP). Pumped by a 𝑄Q-switched nanosecond Nd:YAG laser at 1064 nm with 25 kHz pulse repetition ...
    • Optical parametric generator based on orientation-patterned gallium phosphide 

      Ye, Hanyu; Chaitanya Kumar, S.; Wei, Junxiong; Schunemann, P. G.; Ebrahim-Zadeh, Majid (IEEE, 2017-06-25)
      Comunicació de congrés
      Accés obert
      We report the first pulsed optical parametric generator based on Orientation-patterned Gallium Phosphide. The output is tunable from 1721-1850 nm (signal) and 2504-2787 nm (idler), providing a total output power of 18 mW.
    • Performance characterization of mid-infrared difference-frequency-generation in orientation-patterned gallium phosphide 

      Wei, JunXiong; Kumar, S. Chaitanya; Ye, Hanyu; Schunemann, P. G.; Ebrahim-Zadeh, Majid (OSA, 2018-02-08)
      Article
      Accés obert
      We present a detailed characterization of the optical properties of the recently developed nonlinear material, orientation-patterned gallium phosphide (OP-GaP), by performing difference-frequency-generation experiments in ...
    • Singly-Resonant Optical Parametric Oscillator Based on Orientation-Patterned Gallium Phosphide 

      Ye, Hanyu; Chaitanya Kumar, S.; Wei, Junxiong; Schunemann, P. G.; Ebrahim-Zadeh, Majid (OSA, 2018-03-26)
      Comunicació de congrés
      Accés obert
      We report a pulsed singly-resonant optical parametric oscillator based on orientation-patterned gallium phosphide pumped by a Q-switched Nd:YAG laser. The mid-IR idler can be tuned across 2.8-3.1 μm with an average power of 20 mW.
    • Stable, High-Average-Power, Degenerate Optical Parametric Oscillator at 2.1 μm 

      Ye, Hanyu; Nandy, Biplob Kumar; Chaitanya Kumar, S.; Ebrahim-Zadeh, Majid (OSA, 2018-03-26)
      Comunicació de congrés
      Accés obert
      We describe a degenerate 1.064-μm-pumped pulsed optical parametric oscillator based on MgO:PPLN in compact Littrow-grating cavity configuration, providing 2.7W of average power at 2.1μm with high spectral and power stability ...
    • Tunable high-average-power optical parametric oscillators near 2 μm 

      Nandy, Biplob Kumar; Chaitanya Kumar, S.; Canals Casals, J.; Ye, Hanyu; Ebrahim-Zadeh, Majid (OSA, 2018-11-29)
      Article
      Accés obert
      We report on the development of high-average-power nanosecond and picosecond laser sources tunable near 2 μm based on optical parametric oscillators (OPOs) pumped by solid-state Nd:YAG and Yb-fiber lasers at 1.064 μm. ...