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Related papers: Cavity-Enhanced Rayleigh Scattering

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We report the enhancement of quantum correlations for biphotons generated via spontaneous four-wave mixing in an ensemble of cold two-level atoms. This enhancement is based on the filtering of the Rayleigh linear component of the spectrum…

Quantum Physics · Physics 2024-11-01 Lucas S. Marinho , Michelle O. Araújo , Wellington Martins , Daniel Felinto

We have developed a new technique for photothermal displacement spectroscopy that is potentially orders of magnitude more sensitive than conventional methods. We use a single Fabry-Perot resonator to enhance both the intensity of the pump…

Materials Science · Physics 2009-11-10 Eric D. Black , Ivan S. Grudinin , Shanti R. Rao , Kenneth G. Libbrecht

The problem of an electromagnetic wave scattering by a slab with two rough boundaries is solved by a small-perturbation method under the Rayleigh hypothesis. In order to obtain a perturbative development, we use a systematic procedure which…

Condensed Matter · Physics 2009-11-07 A. Soubret , G. Berginc , C. Bourrely

The ultimate limits of performance for any classical optical system are set by sub-wavelength fluctuations within the host material, that may be frozen-in or even dynamically induced. The most common manifestation of such sub-wavelength…

Optics · Physics 2018-03-15 Seunghwi Kim , Jacob M. Taylor , Gaurav Bahl

Finite photon lifetimes for light fields in an opto-mechanical cavity impose a bandwidth limit on displacement sensing at mechanical resonance frequencies beyond the loaded cavity photon decay rate. Opto-mechanical modulation efficiency can…

Optics · Physics 2015-06-17 Siddharth Tallur , Sunil A. Bhave

We study for a dielectric particle the effect of surplus electrons on the anomalous scattering of light arising from the transverse optical phonon resonance in the particle's dielectric constant. Excess electrons affect the polarizability…

Plasma Physics · Physics 2015-06-05 R. L. Heinisch , F. X. Bronold , H. Fehske

A spectrometer for the measurement of spontaneous Rayleigh-Brillouin scattering line profiles at ultraviolet wavelengths from gas phase molecules has been developed, employing a high-power frequency-stabilized UV laser with narrow bandwidth…

Atmospheric and Oceanic Physics · Physics 2012-10-08 Ziyu Gu , M. Ofelia Vieitez , Eric-Jan van Duijn , Wim Ubachs

A novel form of Ramsey narrowing is identified and characterized. For long-lived coherent atomic states coupled by laser fields, the diffusion of atoms in-and-out of the laser beam induces a spectral narrowing of the atomic resonance…

Quantum Physics · Physics 2015-06-26 Yanhong Xiao , Irina Novikova , David F. Phillips , Ronald L. Walsworth

A microfabricated Fabry-Perot optical resonator has been used for atom detection and photon production with less than 1 atom on average in the cavity mode. Our cavity design combines the intrinsic scalability of microfabrication processes…

Quantum Physics · Physics 2009-11-13 M. Trupke , J. Goldwin , B. Darquié , G. Dutier , S. Eriksson , J. Ashmore , E. A. Hinds

As light propagates along a waveguide, a fraction of the field can be reflected by Rayleigh scatterers. In high-quality-factor whispering-gallery-mode microresonators, this intrinsic backscattering is primarily caused by either surface or…

Of particular interest for radio and hard X-ray diagnostics of accelerated electrons during solar flares is the understanding of the basic non-linear mechanisms regulating the relaxation of electron beams propagating in turbulent plasmas.…

Space Physics · Physics 2015-03-06 Nicolas H. Bian , Eduard P. Kontar , Heather Ratcliffe

A gas of ultracold atoms probed with laser light is a nearly-ideal experimental realization of a medium of resonant point-like scatterers, a key problem from condensed matter to biology or photonics. Yet, several recent experiments have…

Quantum Gases · Physics 2026-02-17 R. Vatré , R. Lopes , J. Beugnon , F. Gerbier

Efficient generation of radiation in the mid- and far- infrared relies primarily on lasers and coherent nonlinear optical phenomena driven by lasers. This wavelength range lacks of luminescent devices because the spontaneous emission rate…

We observe a sixfold Purcell broadening of the D$_2$ line of an optically trapped $^{87}\text{Rb}$ atom strongly coupled to a fiber cavity. Under external illumination by a near-resonant laser, up to $90\%$ of the atom's fluorescence is…

Strong light-induced interactions between atoms are known to cause nonlinearities at a few-photon level which are crucial for applications in quantum information processing. Compared to free space, the scattering and the light-induced…

Quantum Physics · Physics 2021-12-22 Artur Skljarow , Harald Kübler , Charles S. Adams , Tilman Pfau , Robert Löw , Hadiseh Alaeian

We closely study the local amplifications of visible light on a thin dielectric slab presenting a sub-wavelength array of small, rectangular, bottom-closed holes. The high-quality Fabry-Perot resonances of eigen modes which vertically…

Optics · Physics 2019-10-10 Jerome Le Perchec

Subwavelength aperture arrays in thin metal films can enable enhanced transmission of light and matter (atom) waves. The phenomenon relies on resonant excitation and interference of the plasmon or matter waves on the metal surface. We show…

Optics · Physics 2009-11-13 S. V. Kukhlevsky

We study the spectra of emission of a system composed by an atom, tightly confined inside a high-finesse resonator, when the atom is driven by a laser and is at steady state of the cooling dynamics induced by laser and cavity field. In…

Quantum Physics · Physics 2009-11-13 Marc Bienert , J. Mauricio Torres , Stefano Zippilli , Giovanna Morigi

We demonstrate the measurement of nanoparticle shape by angularly resolved Rayleigh scattering of single optical levitated particles that are oriented in space via the trapping light in vacuum. This technique is applied to a range of…

The Rayleigh scattering length has been calculated for rare-gas liquids in the ultraviolet for the frequencies at which they luminesce. The calculations are based on the measured dielectric constants in the gas phase, except in the case of…

High Energy Physics - Experiment · Physics 2009-11-07 G. M. Seidel , R. E. Lanou , W. Yao