Browsing by Author "Ebrahim-Zadeh, Majid"
Now showing items 1-20 of 35
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Continuous-wave green-pumped optical parametric oscillator based on fanout MgO:PPLN
(2020)
Conference lecture
Open AccessWe report a green-pumped continuous-wave OPO using a fanout-grating MgO:PPLN, tunable across 813-1032 nm (signal) and 1098-1539 nm (idler) with >30% extraction efficiency in excellent beam-quality and power stability better ... -
Continuous-wave, multimilliwatt, mid-infrared source tunable across 6.4–7.5 μm based on orientation-patterned GaAs
(OSA, 2014-12-01)
Article
Open AccessWe report a continuous-wave (cw) source of tunable mid-infrared radiation providing tens of milliwatt of output power in the 6460–7517 nm spectral range. The source is based on difference-frequency generation (DFG) in ... -
Continuous-wave, single-pass, single-frequency second-harmonic-generation at 266 nm based on birefringent-multicrystal scheme
(OSA, 2016-04-18)
Article
Open AccessWe report the implementation of a compact cascaded multicrystal scheme based on birefringent crystals in critical phase-matching, for the generation of continuous-wave (cw) radiation in the deep ultraviolet (UV). The ... -
Controlled switching of orbital angular momentum in an optical parametric oscillator
(OSA, 2017-03-07)
Article
Open AccessControlled switching of orbital angular momentum (OAM) of light at practical powers over arbitrary wavelength regions can have important implications for future quantum and classical systems. Here we report on a single ... -
Critically phase-matched Ti:sapphire-laserpumped deep-infrared femtosecond optical parametric oscillator based on CdSiP2
(OSA, 2018-03-23)
Article
Open AccessWe report a high-repetition-rate femtosecond optical parametric oscillator (OPO) for the deep-infrared (deep-IR) based on type-I critical phase-matching in CdSiP2 (CSP), pumped directly by a Ti:sapphire laser. Using ... -
Femtosecond deep-infrared optical parametric oscillator pumped directly by a Ti:sapphire laser
(SPIE, 2018-02-15)
Conference lecture
Open AccessWe report a high-repetition-rate femtosecond optical parametric oscillator (OPO) for the deep-infrared (deep-IR) based on the nonlinear optical crystal, CdSiP2 (CSP), pumped directly by a Ti:sapphire laser, for the first ... -
Few-cycle, broadband, mid-infrared optical parametric oscillator pumped by a 20-fs Ti:sapphire laser
(Wiley Online Library, 2014-06-17)
Article
Open AccessA few-cycle, broadband, singly-resonant optical parametric oscillator (OPO) for the mid-infrared based on MgOdoped periodically-poled LiNbO3 (MgO:PPLN), synchronously pumped by a 20-fs Ti:sapphire laser is reported. By ... -
Fiber-laser-based, green-pumped, picosecond optical parametric oscillator using fan-out grating PPKTP
(OSA, 2016-01-01)
Article
Open AccessWe report a stable, Yb-fiber-laser-based, green-pumped, picosecond optical parametric oscillator (OPO) for the near-infrared based on periodically poled potassium titanyl phosphate (PPKTP) nonlinear crystal, using fan-out ... -
Fiber-laser-based, high-repetition-rate, picosecond ultraviolet source tunable across 329-348 nm
(OSA, 2016-10-15)
Article
Open AccessWe report a compact, fiber-laser-based, high-repetition-rate picosecond source for the ultraviolet (UV), providing multi-tens of milliwatt of average power across 329-348 nm. The source is based on internal sum-frequency ... -
Frequency-Doubling of Femtosecond Pulses in “Thick” Nonlinear Crystals With Different Temporal and Spatial Walk-Off Parameters
(IEEE, 2016-12-01)
Article
Open AccessWe present a comparative study on frequency-doubling characteristics of femtosecond laser pulses in thick nonlinear crystals with different temporal and spatial walk-off parameters. Using single-pass second harmonic ... -
Green-pumped continuous-wave parametric oscillator based on fanout–grating MgO:PPLN
(2020-12-01)
Article
Open AccessWe report the first green-pumped continuous-wave (cw) optical parametric oscillator (OPO) based on MgO:PPLN in a fanout grating design. Pumped by a single-frequency cw laser at 532 nm, the OPO provides tunable radiation ... -
High-power continuous-wave mid-infrared difference-frequency generation in the presence of thermal effects
(2021-08-01)
Article
Open AccessWe report performance studies of high-power, continuous-wave (cw), mid-infrared (mid-IR) difference-frequency generation (DFG) in MgO:PPLN at 2262 nm based on a narrowband Yb-fiber laser as pump and a Tm-fiber laser as ... -
High-power femtosecond mid-infrared optical parametric oscillator at 7 μm based on CdSiP2
(http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-40-7-1398, 2015-03-24)
Article
Open AccessWe report a femtosecond optical parametric oscillator (OPO) for the mid-infrared (mid-IR), generating a record average power of 110 mW at 7 μm. The OPO, based on CdSiP2 (CSP) as the nonlinear crystal, provides idler ... -
High-power, high-repetition-rate performance characteristics of β-BaB2O4 for single-pass picosecond ultraviolet generation at 266 nm
(OSA, 2015-10-16)
Article
Open AccessWe report a systematic study on the performance characteristics of a high-power, high-repetition-rate, picosecond ultraviolet (UV) source at 266 nm based on β-BaB2O4 (BBO). The source, based on single-pass fourth harmonic ... -
Mid-infrared coherent sources and applications: introduction
(OSA, 2016-11-01)
Article
Open Access -
Multimilliwatt, tunable, continuous‐wave, mid‐infrared generation across 4.6‐4.7 m based on orientation‐patterned gallium phosphide
(OSA, 2018-05-06)
Article
Open AccessWe report the generation of tunable continuous-wave (cw) mid-infrared (mid-IR) radiation across 4608–4694 nm using the new nonlinear material, orientation-patterned gallium phosphide (OP-GaP). By exploiting difference-frequency ... -
Nanosecond difference-frequency-generation in orientation-patterned gallium phosphide
(OSA, 2017-05-31)
Article
Open AccessWe 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 ... -
Optical parametric generation in orientation-patterned gallium phosphide
(OSA, 2017-09-15)
Article
Open AccessWe 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
(IEEE, 2017-06-25)
Conference lecture
Open AccessWe 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
(OSA, 2018-02-08)
Article
Open AccessWe 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 ...
