Exploració per autor "Ebrahim-Zadeh, Majid"
Ara es mostren els items 15-34 de 35
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Mid-infrared coherent sources and applications: introduction
Ebrahim-Zadeh, Majid; Vodopyanov, Konstantin (OSA, 2016-11-01)
Article
Accés obert -
Multimilliwatt, tunable, continuous‐wave, mid‐infrared generation across 4.6‐4.7 m based on orientation‐patterned gallium phosphide
Devi, Kavita; Padhye, A.; Schunemann, P. G.; Ebrahim-Zadeh, Majid (OSA, 2018-05-06)
Article
Accés obertWe 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
Wei, Junxiong; Chaitanya Kumar, S.; Ye, Hanyu; Devi, Kavita; Schunemann, Peter G.; Ebrahim-Zadeh, Majid (OSA, 2017-05-31)
Article
Accés obertWe 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
Ye, Hanyu; Chaitanya Kumar, S.; WEI, JUNXIONG; SCHUNEMANN, P. G; Ebrahim-Zadeh, Majid (OSA, 2017-09-15)
Article
Accés obertWe 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 obertWe 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 obertWe 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 ... -
Performance characterization of midinfrared difference frequency generation in orientation-patterned gallium phosphide
Wei, Junxiong; Chaitanya Kumar, S.; Hanyu, Ye; Schunemann, Peter G.; Ebrahim-Zadeh, Majid (SPIE, 2018-02-15)
Comunicació de congrés
Accés obertOrientation-patterned gallium phosphide (OP-GaP) is a recently developed nonlinear material with wide transparency across 0.8-12 μm and high nonlinearity (d14∼70 pm/V), which is a promising candidate material for mid-infrared ... -
Phase-Modulation-Mode-Locked Continuous-Wave MgO:PPLN Optical Parametric Oscillator
Devi, Kavita; Kumar, S. Chaitanya; Ebrahim-Zadeh, Majid (IEEE, 2015-03-05)
Article
Accés obertWe report phase-modulation mode-locking of a continuous-wave (cw) singlyresonant optical parametric oscillator (OPO) in the near- and mid-infrared based on MgO-doped periodically poled LiNbO3 (MgO:PPLN) and pumped by an ... -
Picosecond difference-frequency-generation in orientation-patterned gallium phosphide
Casals, J.; Parsa, S.; Chaitanya Kumar, S.; Devi, K.; Schunemann, P. G.; Ebrahim-Zadeh, Majid (OSA, 2017-08-07)
Article
Accés obertWe report the generation of tunable high-repetition-rate picosecond radiation in the mid-infrared using the new quasi-phase-matched nonlinear material of orientation-patterned gallium phosphide (OP-GaP). The source is ... -
Pump-tuned deep-infrared femtosecond optical parametric oscillator across 6-7 μm based on CdSiP2
Chaitanya Kumar, S.; Esteban-Martín, Adolfo; Santana, A.; Zawilski, Kevin T.; Schunemann, P. G.; Ebrahim-Zadeh, Majid (OSA, 2016-07-15)
Article
Accés obertWe report on a high-power femtosecond optical parametric oscillator (OPO) at 80 MHz repetition rate, tunable across 6318–7061 nm in the deep-infrared (deep-IR) using pump wavelength tuning. The OPO, based on CdSiP2CdSiP2 ... -
Room-temperature, rapidly tunable, green-pumped continuous-wave optical parametric oscillator
Devi, Kavita; Ebrahim-Zadeh, Majid (OSA, 2017-06-29)
Accés obertWe report the first realization of a stable, room-temperature, green-pumped cw OPO using fan-out-grating MgO:sPPLT, providing rapid, continuous and wide-tuning across 734-1929nm, 2.2W of output-power, frequency-stability ... -
Single-Stage Ti:sapphire-Pumped Deep-Infrared Femtosecond Optical Parametric Oscillator based on CdSiP2
O’Donnell, Callum F.; Chaitanya Kumar, S.; Schunemann, P. G.; Zawilski, Kevin T.; Ebrahim-Zadeh, Majid (IEEE, 2018-02-20)
Comunicació de congrés
Accés obertWe report a high-repetition-rate femtosecond optical parametric oscillator (OPO) for the deep-infrared (deep-IR) based on the nonlinear optical crystal, CdSiP 2 (CSP), pumped directly by a Ti:sapphire laser, for the first ... -
Single-Stage Ti:sapphire-Pumped Deep-Infrared Femtosecond Optical Parametric Oscillator based on CdSiP2
O´Donnell, Callum; Chaitanya Kumar, S.; Schunemann, P. G.; Zawilski, Kevin T.; Ebrahim-Zadeh, Majid (OSA, 2017-10-01)
Comunicació de congrés
Accés obertWe report the first deep-infrared femtosecond OPO based on CdSiP2 synchronously-pumped directly by a KLM Ti:sapphire laser, tunable across 7508-8210 nm, and generating as much as 12 mW at 7508 nm in good beam-quality. -
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 obertWe 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 obertWe 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 ... -
Stable, high-power, Yb-fiber-based, picosecond ultraviolet generation at 355 nm using BiB3O6
Chaitanya Kumar, S.; Sanchez Bautista, Enrique; Ebrahim-Zadeh, Majid (OSA, 2015-02-01)
Article
Accés obertWe report a stable, high-power, high-repetition-rate, picosecond ultraviolet (UV) source at 355 nm based on singlepass sum-frequency generation of a mode-locked Yb-fiber laser at 1064 nm in the nonlinear crystal BiB3O6. ... -
Ti:sapphire-pumped deep-infrared femtosecond optical parametric oscillator based on CdSiP2
Ramaiah-Badarla, V.; Chaitanya Kumar, S.; Esteban-Martin, A.; Devi, K.; Zawilski, Kevin T.; Schunemann, P. G.; Ebrahim-Zadeh, Majid (OSA, 2016-04-15)
Article
Accés obertWe report on a femtosecond optical parametric oscillator (OPO) for the deep-infrared (deep-IR) based on the Kerr-lens-mode-locked Ti:sapphire laser as the pump source. By deploying a novel cascaded intracavity arrangement, ... -
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 obertWe 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. ... -
Two-crystal, synchronously pumped, femtosecond optical parametric oscillator
Ramaiah-Badarla, V.; Esteban-Martin, A.; Ebrahim-Zadeh, Majid (OSA, 2015-02-01)
Article
Accés obertWe demonstrate a femtosecond optical parametric oscillator based on two nonlinear crystals synchronously pumped by a single ultrafast laser for efficient intracavity signal amplification and output power enhancement. By ... -
Ultrafast optical vortex beam generation in the ultraviolet
Apurv Chaitanya, N.; Chaitanya Kumar, S.; Devi, Kavita; Samanta, G. K.; Ebrahim-Zadeh, Majid (OSA, 2016-06-01)
Article
Accés obertWe report on the generation of ultrafast vortex beams in the deep ultraviolet (DUV) wavelength range at 266 nm, for the first time to our knowledge. Using a Yb-fiber-based green source in combination with two spiral phase ...