Search Results - "Polynkin, P.."

Filament-induced breakdown spectroscopy with structured beams by Burger, M, Polynkin, P, Jovanovic, I

“…Filament-induced ablation represents an attractive scheme for long-range material identification via optical spectroscopy. However, the delivery of laser…”
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Self-focusing of ultraintense femtosecond optical vortices in air by Polynkin, P, Ament, C, Moloney, J V

“…Our experiments show that the critical power for self-focusing collapse of femtosecond vortex beams in air is significantly higher than that of a flattop beam…”
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Beam quality factor of higher order modes in a step-index fiber by Yoda, H., Polynkin, P., Mansuripur, M.

“…The beam quality factor (or M 2 -parameter) for linearly polarized (LP)-modes of a step-index fiber is calculated in a closed form, as a function of the fiber…”
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Er-Yb femtosecond ring fiber oscillator with 1.1-W average power and GHz repetition rates by Panasenko, D., Polynkin, P., Polynkin, A., Moloney, J.V., Mansuripur, M., Peyghambarian, N.

“…We report an all-fiber passively mode-locked femtosecond laser oscillator based on the heavily doped Er-Yb phosphate-glass active fiber. Only 20 cm of the gain…”
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Polarization evolution in bent spun fiber by Polynkin, P., Blake, J.

“…Since its introduction over a decade ago, the spun birefringent single-mode optical fiber is increasingly being considered for current-sensing applications. In…”
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Single-beam trapping of micro-beads in polarized light: Numerical simulations by Zakharian, A R, Polynkin, P, Mansuripur, M, Moloney, J V

“…Using numerical solutions of Maxwell's equations in conjunction with the Lorentz law of force, we compute the electromagnetic force distribution in and around…”
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Efficient and scalable side pumping scheme for short high-power optical fiber lasers and amplifiers by Polynkin, P., Temyanko, V., Mansuripur, M., Peyghambarian, N.

“…A new and simple method of pumping short high-power optical fiber lasers and amplifiers is described. In our approach, several passive coreless optical fibers…”
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Laser Transmitter for Undersea Communications Using Third-Harmonic Generation of Fiber-Laser System at 1.5 \mu m by Polynkin, P.., Roussev, R.., Fejer, M., Peyghambarian, N.., Moloney, J..

“…We report a viable laser transmitter for free-space undersea communications. An all-fiber, picosecond, Watt-level master-oscillator-power-amplifier (MOPA)…”
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Progress in growth, fabrication, and characterization of semiconductor photonic crystal nanocavities by Richards, B. C., Hendrickson, J., Olitzky, J. D., Gibson, R., Gehl, M., Kieu, K., Polynkin, P., Khitrova, G., Gibbs, H. M., Khankhoje, U. K., Homyk, A., Scherer, A., Kim, J.-Y., Lee, Y.-H.

“…We present the results of recent investigations into the fabrication and characterization of high‐Q, small mode volume one‐dimensional photonic crystal…”
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Filament-induced breakdown spectroscopy with structured beams by Burger, M., Polynkin, P., Jovanovic, I.

“…Filament-induced ablation represents an attractive scheme for long-range material identification via optical spectroscopy. However, the delivery of laser…”
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Stand-off fabrication of irregularly shaped, multi-functional hydrophobic and antireflective metal surfaces using femtosecond laser filaments in air by Su, Yue, Wang, Siqi, Yao, Danwen, Fu, Yao, Zang, Hongwei, Xu, Huailiang, Polynkin, Pavel

“…Multi-functional metal surfaces with simultaneous superhydrophobic and antireflective properties have a wide range of industrial, medical, and defense…”
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Evanescent field-based optical fiber sensing device for measuring the refractive index of liquids in microfluidic channels by Polynkin, PaveL, Polynkin, Alexander, Peyghambarian, N, Mansuripur, Masud

“…We report a simple optical sensing device capable of measuring the refractive index of liquids propagating in microfluidic channels. The sensor is based on a…”
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Critical power for self-focusing in the case of ultrashort laser pulses by Polynkin, P., Kolesik, M.

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Optical linear bullets with hydrogen-like symmetries by Siviloglou, G A, Efremidis, N K, Polynkin, P, Moloney, J V, Christodoulides, D N

“…We introduce a new class of propagation invariant spatiotemporal wavepackets. The evolution of these light orbitals is here considered theoretically…”
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Quenching of spontaneous emission via quantum interference by Lee, Hwang, Polynkin, Pavel, Scully, Marlan O., Zhu, Shi-Yao

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Corrections to "Beam Quality Factor of Higher Order Modes in a Step-Index Fiber" by Yoda, Hidehiko, Polynkin, Pavel, Mansuripur, Masud

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Laser Transmitter for Undersea Communications Using Third-Harmonic Generation of Fiber-Laser System at 1.5 [mu] m by Polynkin, P, Roussev, R, Fejer, M, Peyghambarian, N, Moloney, J

“…Yb codoped phosphate fiber is combined with fiber pigtailed lithium niobate intensity modulator (pulse picker), to construct a fully integrated eye-safe…”
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All-Fiber Picosecond Laser System at 1.5 \mum Based on Amplification in Short and Heavily Doped Phosphate-Glass Fiber by Polynkin, P., Polynkin, A., Panasenko, D., Peyghambarian, N., Moloney, J.V.

“…Amplification of ultrashort pulses in doped fibers is limited by an onset of nonlinear effects in the fiber. At the 1.5-mum wavelength, single-mode fibers…”
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Femtosecond Beam Shaping for Filament-Induced Breakdown Spectroscopy by Burger, M., Polynkin, P., Jovanovic, I.

“…We examine the utility of beam shaping for femtosecond filament-induced breakdown spectroscopy at long range. Diffraction-resistant and self-healing Bessel and…”
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Propagation dynamics of dressed optical filaments by Mills, M. S., Scheller, M., Polynkin, P., Kolesik, M., Christodoulides, Demetrios N.

“…We demonstrate that the longevity of an optical filament can be drastically increased by prudently surrounding it with a low intensity annular wavefront. Here,…”
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