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Short-time squeezing in spontaneous Raman and stimulated Raman scattering
Quantum and Semiclassical Optics: Journal of the European Optical Society Part B, 1995The non-classical effect of squeezing of light in spontaneous Raman and stimulated Raman processes are investigated under a short-time approximation based on a fully quantum mechanical approach. A Raman process is looked upon as a two-photon and one-phonon interaction process.
A Kumar, P S Gupta
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Theory of Spontaneous and Coherent Raman Scattering
1998Abstract The universality of the phenomenon, the convenience of the experimental technique and the simplicity of the spectra obtained enable the effect to be used as an experimental aid to the solution of a wide range of problems in physics and chemistry.
Eric O Potma, X Sunney Xie
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Stimulated Raman laser excitation of spontaneous resonance Raman scattering
Chemical Physics Letters, 1980The efficient conversion of the second and third harmonics of a Nd YAG laser to near UV radiation in the 395–500 nm range by stimulated Stokes (and anti-Stokes) Raman scattering (SRS) in a 1 m Raman oscillator containing compressed H2 or D2 is used as an excitation source for spontaneous resonance Raman spectroscopy (RRS).
Richard P. Van Duyne, Keith D. Parks
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Phenomenological model of spontaneous Raman scattering
Optics Communications, 1981Abstract We re-examine the phenomenological interpretation of near-resonant Raman scattering as being due to the finite life-time of the intermediate states. We show that sufficiently close to resonance this interpretation leads to a cross section which is in exact agreement with the predictions of QED, even when Zeeman degeneracy is taken into ...
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Spontaneous Raman scattering in atomic thallium vapor
Physics Letters A, 1973Abstract Using a cw argon-ion laser, we have measured the spontaneous Raman scattering cross section, σ R , and linewidth in atomic thallium vapor. For 4880-A excitation, σ R = 1.6 × 10 −27 cm 2 . We observe no pressure broadening of the Raman line at vapor pressures to 100 torr.
A. Flusberg +2 more
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Raman scattering in spontaneously modulated materials
AIP Conference Proceedings, 1979Structures that spontaneously modulate via a displacive phase transition may be studied by Raman scattering, for there is always one fully symmetric, Raman‐active mode in the new phase not present above the transition. The number and symmetry of such new modes depend on the symmetry of the modulated structure, allowing Raman measurements to verify and ...
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Spontaneous Raman Scattering in Suspended InGaAsP Waveguides
Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, 2009We demonstrate the spontaneous Raman effect in suspended InGaAsP waveguides and report that the zinc blende Raman selection rules are relaxed in the waveguide geometry.
S. A. Holmstrom +8 more
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Spontaneous Raman scattering in a silicon wire waveguide
Optical Amplifiers and Their Applications/Integrated Photonics Research, 2004We report spontaneous Raman scattering at 1550nm in an SOI strip waveguide with cross-sectional area 0.1µm2. The tight optical confinement permits efficient Raman conversion for small coupled pump powers (1435nm) of
Jerry I. Dadap +4 more
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Experimental study of transient spontaneous Raman scattering
Annual Meeting Optical Society of America, 1989The quantum nature of the source of stimulated Raman scattering and its effect on the output of Raman self-generators have been investigated in a number of studies.1 Quantum theories of stimulated Raman scattering predict that its source is equivalent to spontaneous Raman scattering.
M. D. Duncan +3 more
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Physical Review A, 1996
The amplification of a visible laser-diode beam in a gain-guided, multipass Raman amplifier is studied as a function of laser-diode and pump-laser powers. At a relatively high laser-diode power (178 nW) the amplified output grows as a simple exponential from very low gains to amplifier saturation.
, Wessel, , Repasky, , Carlsten
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The amplification of a visible laser-diode beam in a gain-guided, multipass Raman amplifier is studied as a function of laser-diode and pump-laser powers. At a relatively high laser-diode power (178 nW) the amplified output grows as a simple exponential from very low gains to amplifier saturation.
, Wessel, , Repasky, , Carlsten
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