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Related papers: Raman effects in Quantum Frequency Conversion usin…

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We experimentally demonstrate frequency translation of a nonclassical optical field via the Bragg scattering four-wave mixing process in a photonic crystal fiber (PCF). The high nonlinearity and the ability to control dispersion in PCF…

Quantum Physics · Physics 2010-09-08 H. J. McGuinness , M. G. Raymer , C. J. McKinstrie , S. Radic

The small cross section of Raman scattering poses a great challenge for its direct study at the single-molecule level. By exploiting the high Franck-Condon factor of a common-mode resonance, choosing a large vibrational frequency difference…

An experimental study of optical phonon modes, both normal and interface (IF) phonons, in bilayer strain-coupled InAs/GaAs_(1-x)Sb_x quantum dot heterostructures has been presented by means of low-temperature polarized Raman scattering. The…

Mesoscale and Nanoscale Physics · Physics 2024-09-17 Priyesh Kumar , Sudip Kumar Deb , Subhananda Chakrabarti , Jhuma Saha

Optical networks are the leading platform for the transfer of information due to their low loss and ability to scale to many information channels using optical frequency modes. To fully leverage the quantum properties of light in this…

In a recent report sum-frequency excitation of a Raman-active phonon was experimentally demonstrated for the first time. This mechanism is the sibling of impulsive stimulated Raman scattering, in which difference-frequency components of a…

Materials Science · Physics 2018-05-23 Dominik M. Juraschek , Sebastian F. Maehrlein

Stimulated Raman spectroscopy has become a powerful tool to study the spatiodynamics of molecular bonds with high sensitivity, resolution and speed. However, sensitivity and speed of state-of-the-art stimulated Raman spectroscopy are…

We show that spontaneous Raman scattering of incident radiation can be observed in cavity-QED systems without external enhancement or coupling to any vibrational degree of freedom. Raman scattering processes can be evidenced as resonances…

The non-dispersed soft x-ray emission from a La/B4C periodic multilayer irradiated by monochromatic x-rays has been measured as a function of the incident photon energy in the 125-200 eV range for different scattering angles. We have…

Other Condensed Matter · Physics 2016-08-16 J. -M. André , P. Jonnard , C. Bonnelle , E. O. Filatova , C. Michaelsen , J. Wiesmann

High-bandwidth, fiber-based optical cavities are a promising building block for future quantum networks. They are used to resonantly couple stationary qubits such as single or multiple atoms with photons routing quantum information into a…

Electron Raman scattering (ERS) is investigated in a parabolic semiconductor quantum wire in a transverse magnetic field neglecting by phonon-assisted transitions. The ERS cross-section is calculated as a function of a frequency shift and…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 F. M. Hashimzade , T. G. Ismailov , B. H. Mehdiyev , S. T. Pavlov

We employ the process of non-degenerate four-wave mixing Bragg scattering (FWM-BS) to demonstrate all-optical control in a silicon platform. In our configuration, a strong, non-information-carrying pump is mixed with a weak control pump and…

Optics · Physics 2017-01-12 Yun Zhao , David Lombardo , Jay Mathews , Imad Agha

We demonstrate experimentally the tunable control of the joint spectrum, i.e. waveform and degree of frequency correlations, of paired photons generated in spontaneous parametric downconversion. This control is mediated by the spatial shape…

We investigate the evolution of coherence property of noise-seeded Stokes wave in short (< 1 ps) and long pulse (> 1 ps) regimes. Nonlinear equations expressing the evolution of pump and Stokes wave are solved numerically for both the…

Optics · Physics 2019-05-22 Partha Mondal , Shailendra K. Varshney

The classical stimulated Raman scattering system describing resonant interaction between two electromagnetic waves and a fast relaxing medium wave is studied by introducting a systematic perturbation approach in powers of the relaxation…

Pattern Formation and Solitons · Physics 2007-05-23 J. -G. Caputo , A. Maimistov

We discuss the effects of noise on the timing and strength of superradiant Raman scattering from a small dense sample of atoms. We demonstrate a genuine quantum stochastic resonance effect, where the atomic response is largest for an…

Quantum Physics · Physics 2013-01-29 D. Witthaut

Single-photon sources based on optical parametric processes have been used extensively for quantum information applications due to their flexibility, room-temperature operation and potential for photonic integration. However, the…

Quantum Physics · Physics 2018-02-28 Chaitali Joshi , Alessandro Farsi , Stéphane Clemmen , Sven Ramelow , Alexander L. Gaeta

Metastable qubits in atomic systems can enable large-scale quantum computing by simplifying hardware requirements and adding efficient erasure conversion to the pre-existing toolbox of high-fidelity laser-based control. For trapped atomic…

We consider dynamically controllable periodic structures, called Raman induced gratings, in three- and four-level atomic media, resulting from Raman interaction in a standing-wave pump. These gratings are due to periodic spatial modulation…

Optics · Physics 2016-01-20 V. G. Arkhipkin , S. A. Myslivets , I. V. Timofeev

Warm rubidium vapours are known to be a versatile medium for a variety of experiments in atomic physics and quantum optics. Here we present experimental results on producing the frequency converted light for quantum applications based on…

We report on the generation of a Raman cascade spanning the wavelength range of 523 to 1750 nm wavelength range, in a standard telecommunication graded-index multimode optical fiber. Despite the highly multimode nature of the pump, the…

Optics · Physics 2013-12-13 Hamed Pourbeyram , Govind P. Agrawal , Arash Mafi