Search Results - "Nazarkin, A."

Femtosecond nonlinear fiber optics in the ionization regime by Hölzer, P, Chang, W, Travers, J C, Nazarkin, A, Nold, J, Joly, N Y, Saleh, M F, Biancalana, F, Russell, P St J

“…By using a gas-filled kagome-style photonic crystal fiber, nonlinear fiber optics is studied in the regime of optically induced ionization. The fiber offers…”
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Tightly trapped acoustic phonons in photonic crystal fibres as highly nonlinear artificial Raman oscillators by Nazarkin, A, Kang, M. S, Russell, P. St. J, Brenn, A

“…Interactions between light and hypersonic waves can be enhanced by tight field confinement, as shown in periodically structured materials, microcavities,…”
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Bright spatially coherent wavelength-tunable deep-UV laser source using an Ar-filled photonic crystal fiber by Joly, N Y, Nold, J, Chang, W, Hölzer, P, Nazarkin, A, Wong, G K L, Biancalana, F, Russell, P St J

“…We report on the spectral broadening of ~1 μJ 30 fs pulses propagating in an Ar-filled hollow-core photonic crystal fiber. In contrast with supercontinuum…”
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Influence of ionization on ultrafast gas-based nonlinear fiber optics by Chang, W, Nazarkin, A, Travers, J C, Nold, J, Hölzer, P, Joly, N Y, Russell, P St J

“…We numerically investigate the effect of ionization on ultrashort high-energy pulses propagating in gas-filled kagomé-lattice hollow-core photonic crystal…”
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Pressure-controlled phase matching to third harmonic in Ar-filled hollow-core photonic crystal fiber by Nold, J, Hölzer, P, Joly, N Y, Wong, G K L, Nazarkin, A, Podlipensky, A, Scharrer, M, Russell, P St J

“…We report tunable third-harmonic generation (THG) in an Ar-filled hollow-core photonic crystal fiber, pumped by broadband <2 microJ, 30 fs pulses from an…”
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Solitary pulse generation by backward Raman scattering in H2-filled photonic crystal fibers by Abdolvand, A, Nazarkin, A, Chugreev, A V, Kaminski, C F, Russell, P St J

“…Using a hydrogen-filled hollow-core photonic crystal fiber as a nonlinear optical gas cell, we study amplification of ns-laser pulses by backward rotational…”
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Direct observation of self-similarity in evolution of transient stimulated Raman scattering in gas-filled photonic crystal fibers by Nazarkin, A, Abdolvand, A, Chugreev, A V, St J Russell, P

“…A unique characteristic of transient stimulated Raman scattering, in which the spatiotemporal evolution of the fields and the molecular excitation follow a…”
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fs-pulse synthesis using phase modulation by impulsively excited molecular vibrations by Wittmann, M, Nazarkin, A, Korn, G

“…We report the temporal characteristics of laser radiation transmitted through impulsively excited SF6 and exhibiting sideband Raman lines. Even without special…”
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Generation of Multiple Phase-Locked Stokes and Anti-Stokes Components in an Impulsively Excited Raman Medium by Nazarkin, A., Korn, G., Wittmann, M., Elsaesser, T.

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Quasi-phase-matched high harmonic generation in hollow core photonic crystal fibers by Ren, H, Nazarkin, A, Nold, J, Russell, P St J

“…The potential of hollow core photonic crystal fiber as a nonlinear gas cell for efficient high harmonic generation is discussed. The feasibility of…”
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Observation of selectivity of coherent population transfer induced by optical interference by Netz, R, Nazarkin, A, Sauerbrey, R

“…A fs time-resolved selective control of multilevel systems using superposition of two identical, frequency-chirped fields is proposed and demonstrated. By…”
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Observation of Raman Self-Conversion of fs-Pulse Frequency due to Impulsive Excitation of Molecular Vibrations by Korn, G., Dühr, O., Nazarkin, A.

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Angular parameters in X-ray diffraction theory by Podorov, S.G., Nazarkin, A.

“…In this article, we provide a detailed mathematical analysis of the Helmholtz equation, in the context of dynamical wide-angle X-ray scattering by deformed…”
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High-order Raman scattering of X rays by optical phonons and generation of ultrafast X-ray transients by NAZARKIN, A, USCHMANN, I, FÖRSTER, E, SAUERBREY, R

“…We study the modulation of x-ray diffraction in ideal crystals by a copropagating wave of optical vibrations generated by a fs-laser pulse. Our results suggest…”
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Electromagnetically induced quantum memory by Nazarkin, A, Netz, R, Sauerbrey, R

“…We discuss the problem of creating coherence in an optically driven quantum system in conditions where decoherence is caused by the laser field itself, due to…”
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Pulse Self-Compression in the Subcarrier Cycle Regime by Nazarkin, A., Korn, G.

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Nonlinear optics in the angstrom regime: Hard-x-ray frequency doubling in perfect crystals by Nazarkin, A., Podorov, S., Uschmann, I., Förster, E., Sauerbrey, R.

“…Based on the dynamical diffraction theory, we demonstrate the important role of the multiple scattering effects in an x-ray frequency doubling in crystals,…”
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Xenon condensation in a harmonic confinement by Nazarkin, A.V., Shtelmakh, T.V.

“…[Display omitted] •The harmonic confinement leads to a well-defined Hamiltonian and allows for providing the given pressure.•The virial theorem for a…”
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An optimized two crystal arrangement for X-ray optics by Podorov, S.G., Nazarkin, A., Förster, E.

“…Modification of the Schwarzschild optics for applications in hard X-ray imaging is discussed. The conditions necessary to achieve a high spatial resolution…”
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Raman amplifiers without quantum-defect heating by Nazarkin, A, Abdolvand, A, Russell, P St. John

“…It is proposed that Raman convertors based on gas-filled photonic crystal fibers can operate in the regime of a complete optical "cooling" of the working…”
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