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Article
Vertical-Cavity Surface-Emitting Lasers for Miniature Quantum Frequency Standards
The results of the development of vertical-cavity surface emitting lasers based on Al \({}_{x}\) Ga ...
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Article
Radiation of a Resonant Medium Excited by a Periodically Phase-Modulated Laser in the Regime of Strong Coupling between the Field and the Matter
The radiation of a two-level resonant medium that is placed into a cavity and is excited by a periodically phase modulated laser pulse is studied theoretically. The radiation is analyzed based on the analytica...
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Article
Interaction of Phase-Modulated Femtosecond Pulses with an Optically Dense Quasi-Resonant Medium of Rubidium Vapors
For the first time, it is demonstrated that the magnitude and sign of the effect of “spectral condensation” of a laser pulse at the resonant-transition frequency of a dense medium can be controlled by changing...
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Article
Observation of parametric nonadiabatic excitation of collective resonances under femtosecond optical pum** of a dense resonant extended medium without population inversion under the conditions of strong light-matter coupling
We experimentally studied the superradiance of the resonant line of rubidium under femtosecond optical pum** of a dense extended medium without population inversion under conditions of strong lightmatter cou...
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Article
Light-induced polariton clusters and their application in optical signal processing
The properties of coupled long-lived states of the electromagnetic field + matter system that are induced by a collision of two counter-propagating coherent pulses in a dense resonant media are discussed. It i...
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Article
Erratum to: “An Optoacoustical gravitational antenna”
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Article
An optoacoustical gravitational antenna
An optoacoustical gravitational detector that structurally combines the principles of interferometric and solid-state gravitational antennas is described. A large acoustical resonator, which is matched to a co...
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Article
Ceramics With Disordered Structure of the Crystal Field
[(Re x Lu y Y1–x–y )2O3]1–z (AO2) z laser ceramics have been synthesized, whe...
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Article
Synthesis of ceramic active Nd:YAG laser medium
The research results on the synthesis of highly transparent YAG ceramics and the generation of radiation in samples are reported. The possibilities of the synthesis of highly transparent ceramics from nanopowd...
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Article
Pendulum waves and their singling out in the laser deformograph records of the large earthquakes
The paper discusses singling out of a slow deformation wave of pendulum type as an after-effect of a close-spaced strong earthquake. Based on the analysis of the laser records of the deformation process and af...
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Chapter
Effective Parameters of High-Power Laser Femtosecond Radiation at Self-focusing in Gas and Aerosol Media
We consider the regularities of the femtosecond laser pulse propagation from the viewpoint of evolution of its effective parameters (energy transfer coefficient, effective beam radius, effective pulse duration...
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Article
Photonic crystals based on natural oceanic biominerals
The photonic-crystal properties of natural biomineral crystals—siliceous basal spicules of glass sea sponges—have been studied for the first time. It is shown that the periodic arrangement of concentric cylind...
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Article
Optical properties of natural biominerals—the spicules of the glass sponges
In the article are given the results of the researches of the glass sea sponges Hyalonema sieboldi and Ferronema sp. spicules as new object of nano-photonics. The distribution of refractive index over the cross s...
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Article
Spectral broadening of radiation from a femtosecond Cr:forsterite laser in highly nonlinear fibers
Spectral broadening of radiation emitted by a femtosecond Cr:forsterite laser in highly nonlinear fibers (HNLFs) has been investigated. Tapered HNLFs as well as fibers with constant dispersion and dispersion v...
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Article
Tunable single-frequency diode-pumped, intracavity-doubled, traveling-wave Nd:YAG and Yb:YAG lasers
Single-frequency traveling-wave Nd:YAG and Yb:YAG lasers combining the functions of intracavity second harmonic generation and birefringent filter on one nonlinear crystal are discussed. The lasers were develo...
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Article
Nonstationary parametric amplification of polychromatic radiation propagating in an extended absorbing resonant medium
An experimental and theoretical study of the two-wave interaction (of a probe wave and a pum** wave) of wide-band multimode laser pulses with an optically dense extended resonant medium (metastable neon atom...
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Article
Parametric collective phenomena during the propagation of polychromatic laser pulses in an optically dense resonant medium without population inversion
We experimentally and theoretically study the interaction of broadband polychromatic laser pulses with an optically dense resonant extended medium without population inversion. Experimental (probe field-pumpin...
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Article
High-order picosecond SRS and self-SRS generation in Nd3+-doped CaMoO4, SrMoO4, and SrWO4 laser crystals
The results of a stimulated Raman scattering (SRS) spectroscopy study of Nd3+-doped CaMoO4, SrMoO4, and SrWO4 crystals are presented. All the wavelengths of the Stokes and anti-Stokes generation observed in these...
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Article
Observation of stimulated Raman scattering in Y3Al5O12 single crystals and nanocrystalline ceramics and in these materials activated with laser ions Nd3+ and Yb3+
High-order Raman parametric generation was excited in the visible and near-IR regions on the Stokes and anti-Stokes lines of Y3Al5O12 single crystals and nanocrystalline ceramics. All generation components, as we...
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Article
Narrow saturated absorption resonances in the transmission band of an active interferometer
The shape of the transmission band of an active interferometer, a resonator with amplification and absorption cells excited by an external signal, is studied. Upon tuning the external signal frequency, the nar...