Search Results - "Kumar, S Chaitanya"

Yb-fiber-pumped high-average-power picosecond optical parametric oscillator tunable across 1.3−1.5 μm by Nandy, Biplob, Chaitanya Kumar, S., Ebrahim-Zadeh, M.

“…We report the generation of high-repetition-rate picosecond pulses in the 1.3-1.5 µm spectral range by internal second harmonic generation (SHG) of an…”
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Tunable, high-power, high-order optical vortex beam generation in the mid-infrared by Sharma, Varun, Chaitanya Kumar, S, Samanta, G K, Ebrahim-Zadeh, M

“…We report the generation of tunable high-order optical vortices in the mid-infrared (mid-IR) using a picosecond optical parametric oscillator (OPO). The OPO is…”
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Yb-fiber-pumped, high-beam-quality, idler-resonant mid-infrared picosecond optical parametric oscillator by Parsa, S, Kumar, S Chaitanya, Nandy, Biplob, Ebrahim-Zadeh, M

“…We report an Yb-fiber-pumped picosecond optical parametric oscillator (OPO) delivering high average power in excellent beam quality throughout the mid-infrared…”
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Performance studies of high-average-power picosecond optical parametric generation and amplification in MgO:PPLN at 80 MHz by Chaitanya Kumar, S, Nandy, B, Ebrahim-Zadeh, M

“…We report on performance studies of high-average-power single-pass picosecond optical parametric generation (OPG) and amplification (OPA) tunable near 2 µm in…”
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Fiber-laser-based, green-pumped, picosecond optical parametric oscillator using fan-out grating PPKTP by Chaitanya Kumar, S, Parsa, S, Ebrahim-Zadeh, M

“…We report a stable, Yb-fiber-laser-based, green-pumped, picosecond optical parametric oscillator (OPO) for the near-infrared based on periodically poled…”
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Multi-structured-beam optical parametric oscillator by Sharma, Varun, Kumar, S. Chaitanya, Samanta, G. K., Ebrahim-Zadeh, M.

“…Structured beams, conventionally generated through the spatial mode conversion of the Gaussian laser beams, have attracted great interest in recent years…”
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Fiber-laser-based green-pumped picosecond MgO:sPPLT optical parametric oscillator by Chaitanya Kumar, S, Ebrahim-Zadeh, M

“…We report a stable, high-power, picosecond optical parametric oscillator (OPO) at 160 MHz repetition rate synchronously pumped by a frequency-doubled…”
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High-power, single-frequency, continuous-wave second-harmonic-generation of ytterbium fiber laser in PPKTP and MgO:sPPLT by Kumar, S Chaitanya, Samanta, G K, Ebrahim-Zadeh, M

“…Characteristics of high-power, narrow-linewidth, continuous-wave (cw) green radiation obtained by simple single-pass second-harmonic-generation (SHG) of a cw…”
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Up-converted photorefractive optical transient detection with femtosecond laser pulses by Sukeert, Chaitanya Kumar, S, Schunemann, P G, de Valcárcel, Germán J, Ebrahim-Zadeh, M, Esteban-Martín, A

“…We report on experimental demonstration of optical transient detection (OTD) based on photorefractive two-wave mixing of femtosecond pulses. The demonstrated…”
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Widely tunable femtosecond soliton generation in a fiber-feedback optical parametric oscillator by O’Donnell, Callum F., Kumar, S. Chaitanya, Paoletta, T., Ebrahim-Zadeh, M.

“…Optical parametric oscillators (OPOs) are uniquely versatile—albeit complex—platforms for the generation of tunable coherent light in difficult-to-access…”
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Yb-fiber-laser-pumped, high-repetition-rate picosecond optical parametric oscillator tunable in the ultraviolet by Samanta, G K, Kumar, S Chaitanya, Aadhi, A, Ebrahim-Zadeh, M

“…We report a compact tunable 240-MHz picosecond source for the ultraviolet based on intra-cavity frequency doubling of a signal-resonant MgO:sPPLT optical…”
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Tunable vector-vortex beam optical parametric oscillator by Sharma, Varun, Kumar, S. Chaitanya, Aadhi, A., Ye, H., Samanta, G. K., Ebrahim-Zadeh, M.

“…Vector-vortex beams, having both phase and polarization singularities, are of great interest for a variety of applications. Generally, such beams are produced…”
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Optimally-output-coupled, 17.5 W, fiber-laser-pumped continuous-wave optical parametric oscillator by Chaitanya Kumar, S., Das, R., Samanta, G. K., Ebrahim-Zadeh, M.

“…We present a stable, high-power, fiber-laser-pumped, continuous-wave (cw), singly resonant optical parametric oscillator (SRO) for the mid-infrared in an…”
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High-power, continuous-wave, single-frequency, all-periodically-poled, near-infrared source by Devi, Kavita, Chaitanya Kumar, S, Ebrahim-Zadeh, M

“…We report a high-power, single-frequency, continuous-wave (cw) source tunable across 775-807 nm in the near-infrared, based on internal second harmonic…”
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High-efficiency, multicrystal, single-pass, continuous-wave second harmonic generation by Kumar, S Chaitanya, Samanta, G K, Devi, Kavita, Ebrahim-Zadeh, M

“…We describe the critical design parameters and present detailed experimental and theoretical studies for efficient, continuous-wave (cw), single-pass second…”
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Yb-fiber-laser-based, 1.8 W average power, picosecond ultraviolet source at 266 nm by Chaitanya Kumar, S, Canals Casals, J, Sanchez Bautista, E, Devi, K, Ebrahim-Zadeh, M

“…We report a compact, stable, high-power, picosecond ultraviolet (UV) source at 266 nm based on simple single-pass two-step fourth-harmonic generation (FHG) of…”
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Tunable, high-energy, mid-infrared, picosecond optical parametric generator based on CdSiP2 by Kumar, S Chaitanya, Jelínek, M, Baudisch, M, Zawilski, K T, Schunemann, P G, Kubeček, V, Biegert, J, Ebrahim-Zadeh, M

“…We report a tunable, high-energy, single-pass optical parametric generator (OPG) based on the nonlinear material, cadmium silicon phosphide, CdSiP(2). The OPG…”
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Picosecond difference-frequency-generation in orientation-patterned gallium phosphide by Casals, J C, Parsa, S, Kumar, S Chaitanya, Devi, K, Schunemann, P G, Ebrahim-Zadeh, M

“…We report the generation of tunable high-repetition-rate picosecond radiation in the mid-infrared using the new quasi-phase-matched nonlinear material of…”
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High-power, fiber-laser-pumped, picosecond optical parametric oscillator based on MgO:sPPLT by Kumar, S Chaitanya, Ebrahim-Zadeh, M

“…We report a stable, high-power, mid-infrared synchronously-pumped optical parametric oscillator (SPOPO) based on MgO:sPPLT, pumped by a 1064 nm, picosecond…”
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Large third-order optical nonlinearity and optical limiting in symmetric and unsymmetrical phthalocyanines studied using Z-scan by Mathews, S.J., Chaitanya Kumar, S., Giribabu, L., Venugopal Rao, S.

“…The third-order nonlinear optical and optical limiting properties of 2,3,9,10,16,17,23,24-octakis-(heptyloxy)-phthalocyanine,…”
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