165 citations · 486 across the 15 of their papers we have counts for
15 papers
High quantum efficiency parametric amplification via hybridized nonlinear optics
Noah Flemens, Dylan Heberle, Jiaoyang Zheng +5
Parametric amplifiers have allowed breakthroughs in ultrafast, strong-field, and high-energy density laser science and are an essential tool for extending the frequency range of po…
High-order (N=4-6) multi-photon absorption and mid-infrared Kerr nonlinearity in GaP, ZnSe, GaSe, and ZGP crystals
Taiki Kawamori, Peter G. Schunemann, Vitaly Gruzdev +1
We report a study of high-order multi-photon absorption, nonlinear refraction, and their anisotropy in four notable mid-infrared \c{hi}(2) crystals: GaP, ZnSe, GaSe and ZGP using t…
Mid-infrared frequency combs and staggered spectral patterns in microresonators
Nicolas Amiune, Zhiwei Fan, Vladislav V. Pankratov +5
The potential of frequency comb spectroscopy has aroused great interest in generating mid-infrared frequency combs in the integrated photonic setting. However, despite remarkable p…
High-Power Mid-IR Few-Cycle Frequency Comb from Quadratic Solitons in an Optical Parametric Oscillator
Mingchen Liu, Robert M. Gray, Arkadev Roy +5
Powerful and efficient optical frequency combs in the mid-infrared (MIR) spectral region are highly desirable for a broad range of applications. Despite extensive efforts utilizing…
A simple approach of broadband mid-infrared pulse generation with a mode-locked Yb-doped fiber laser
Takuma Nakamura, Venkata Ramaiah Badarla, Kazuki Hashimoto +2
Broadband mid-infrared (MIR) molecular spectroscopy demands a bright and broadband light source in the molecular fingerprint region. To this end, intra-pulse difference frequency g…
Carrier transport and electron-lattice interactions of nonlinear optical crystals CdGeP, ZnGeP and CdSiP
Rishmali Sooriyagoda, Herath P. Piyathilaka, Kevin T. Zawilski +2
Terahertz time-domain spectroscopy is employed to investigate temperature-dependent properties of bulk chalcopyrite crystals (CdGeP, ZnGeP and CdSiP). The complex spect…
Bending modes metrology in the 14-15 m region
M. Lamperti, R. Gotti, D. Gatti +7
Frequency combs have triggered an impressive evolution of optical metrology across diverse regions of the electromagnetic spectrum, from the ultraviolet to the terahertz frequencie…
Two-octave-wide (3-12 μm) mid-infrared frequency comb produced as an optical subharmonic in a nondispersive cavity
Q. Ru, T. Kawamori, P. G. Schunemann +3
Coherent laser beams in the 3 to 20 μm region of the spectrum are most applicable for chemical sensing by addressing the strongest vibrational absorption resonances of the media. B…
Mid-infrared frequency combs at 10 GHz
Abijith Kowligy, David Carlson, Daniel Hickstein +5
We demonstrate mid-infrared (MIR) frequency combs at 10 GHz repetition rate via intra-pulse difference-frequency generation (DFG) in quasi-phase-matched nonlinear media. Few-cycle…
Infrared electric-field sampled frequency comb spectroscopy
Abijith S. Kowligy, Henry Timmers, Alex Lind +5
Molecular spectroscopy in the mid-infrared portion of the electromagnetic spectrum (3--25 um) has been a cornerstone interdisciplinary analytical technique widely adapted across th…
Dual frequency comb spectroscopy in the molecular fingerprint region
Henry Timmers, Abijith Kowligy, Alex Lind +8
Spectroscopy in the molecular fingerprint spectral region (6.5-20 m) yields critical information on material structure for physical, chemical and biological sciences. Despite de…
Three Photon Absorption in Optical Parametric Oscillators Based on OP-GaAs
Oliver H. Heckl, Bryce J. Bjork, Georg Winkler +9
We report on the first singly-resonant (SR), synchronously pumped optical parametric oscillator (OPO) based on orientation-patterned gallium arsenide (OP-GaAs). Together with a dou…
High-energy mid-infrared sub-cycle pulse synthesis from a parametric amplifier
Houkun Liang, Peter Krogen, Zhou Wang +8
High-energy, carrier-envelope phase (CEP)-stable, sub-cycle, mid-infrared (mid-IR) pulses can provide unique opportunities of exploring phase-sensitive strong-field light-matter in…
Molecular fingerprint-region spectroscopy from 5-12 μm using an orientation-patterned gallium phosphide optical parametric oscillator
Luke Maidment, Peter G. Schunemann, Derryck T. Reid
We report a femtosecond optical parametric oscillator (OPO) based on the new semiconductor gain material orientation patterned gallium phosphide (OP-GaP), which enables the product…
Terahertz emission from ZnGeP2: Phase-matching, intensity and length scalability
Joseph D. Rowley, Derek A. Bas, Kevin T. Zawilski +2
Collinear phase-matched optical rectification is studied in ZnGeP pumped with near-infrared light. The pump-intensity dependence is presented for three crystal lengths (0.3,…