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We demonstrate the analogue of electromagnetically induced transparency in a room temperature cavity optomechanics setup formed by a thin semitransparent membrane within a Fabry-P\'erot cavity. Due to destructive interference, a weak probe…

Quantum Physics · Physics 2013-07-11 M. Karuza , C. Biancofiore , M. Bawaj , C. Molinelli , M. Galassi , R. Natali , P. Tombesi , G. Di Giuseppe , D. Vitali

We develop a light-matter interface enabling strong and uniform coupling between a chain of cold atoms and photons of an optical cavity. This interface is a fiber Fabry-Perot cavity, doubly resonant for both the wavelength of the atomic…

Optics · Physics 2020-05-11 Sébastien Garcia , Francesco Ferri , Jakob Reichel , Romain Long

Dissipative optomechanics has some advantages in cooling compared to the conventional dispersion dominated systems. Here, we study the optical response of a cantilever-like, silica, microsphere pendulum, evanescently coupled to a fiber…

We describe the application of displaced, or misaligned, beams in a mirror-based magneto-optical trap (MOT) to enable portable and miniaturized atom chip experiments, where optical access is limited to a single window. Two different…

Atomic Physics · Physics 2018-02-16 Ritayan Roy , Jo Rushton , Andrei Dragomir , Matthew Aldous , Matt Himsworth

We implement a cavity opto-electromechanical system integrating electrical actuation capabilities of nanoelectromechanical devices with ultrasensitive mechanical transduction achieved via intra-cavity optomechanical coupling. Electrical…

Quantum Physics · Physics 2015-05-14 Kwan H. Lee , Terry G. McRae , Glen I. Harris , Joachim Knittel , Warwick P. Bowen

In the present work, the effects of diffuse and collimated radiation on the symmetrical cooling case of natural convection in a two-dimensional cavity heated from the bottom have been investigated, numerically. The cavity is convectively…

Fluid Dynamics · Physics 2020-07-14 G. Chanakya , Pradeep Kumar

We investigated the opto-mechanical properties of a Fabry-Perot cavity with a mirror mounted on a spring. Such a structure allows the cavity length to change elastically under the effect of light induced forces. This opto-mechanical…

Other Condensed Matter · Physics 2009-11-13 Constanze Metzger , Ivan Favero , Alexander Ortlieb , Khaled Karrai

We develop a steady-state analytical and numerical model of the optical response of power-recycled Fabry-Perot Michelson laser gravitational-wave detectors to thermal focusing in optical substrates. We assume that the thermal distortions…

General Relativity and Quantum Cosmology · Physics 2009-11-07 R. G. Beausoleil , E. D'Ambrosio , W. Kells , J. Camp , E K. Gustafson , M. M. Fejer

We characterize a Fabry-Perot microwave cavity designed for trapping atoms and molecules at the antinode of a microwave field. The cavity is fed from a waveguide through a small coupling hole. Focussing on the compact resonant modes of the…

Atomic Physics · Physics 2015-06-22 D. P. Dunseith , S. Truppe , R. J. Hendricks , B. E. Sauer , E. A. Hinds , M. R. Tarbutt

We propose the experimental scheme and present detailed theory of the optical chopper which functionality is based on the balance between the Casimir and light pressures. The proposed device consists of two atomically thin metallic mirrors…

Optics · Physics 2018-07-18 G. L. Klimchitskaya , V. M. Mostepanenko , V. M. Petrov , T. Tschudi

Levitated optomechanical systems, and particularly particles trapped in vacuum, provide unique platforms for studying the mechanical behavior of objects well-isolated from their environment. Ultimately, such systems may enable the study of…

Quantum Physics · Physics 2018-08-01 Bradley R. Slezak , Charles W. Lewandowski , Jen-Feng Hsu , Brian D'Urso

We study an optomechanical cavity, in which a buckled suspended beam serves as a mirror. The mechanical resonance frequency of the beam obtains a minimum value near the buckling temperature. Contrary to the common case, in which…

Optics · Physics 2012-07-05 D. Yuvaraj , M. B. Kadam , Oleg Shtempluck , Eyal Buks

Ground-state cooling of mechanical resonators is a prerequisite for the observation of various quantum effects in optomechanical systems and thus has always been a crucial task in quantum optomechanics. In this paper, we study how to…

Quantum Physics · Physics 2025-01-13 Lei Du , Juliette Monsel , Witlef Wieczorek , Janine Splettstoesser

We demonstrate the optomechanical cooling of a tapered optical nanofiber by coupling the polarization of light to the mechanical angular momentum of the system. The coupling is enabled by birefringence in the fiber and does not make use of…

We report a thermo-optical bistability observed in silicon micro-cantilevers irradiated by a laser beam with mW powers: reflectivity, transmissivity, absorption, and temperature can change by a factor of two between two stable states for…

Optics · Physics 2021-06-02 Basile Pottier , Ludovic Bellon

We consider the quantum radiation from a partially reflecting moving mirror for the massless scalar field in 1+1 Minkowski space. Partial reflectivity is achieved by localizing a delta-type potential at the mirror's position. The radiated…

General Relativity and Quantum Cosmology · Physics 2011-07-19 Nistor Nicolaevici

Sympathetic cooling of trapped ions has become an indispensable tool for quantum information processing and precision spectroscopy. In the simplest situation a single Doppler-cooled ion sympathetically cools another ion which typically has…

Atomic Physics · Physics 2013-05-30 Jannes B. Wübbena , Sana Amairi , Olaf Mandel , Piet O. Schmidt

In this work we solve approximately the radiative heat transfer problem in one dimension to perform a comparative analysis of the time averaged performance of the partially transparent radiative windows and radiative coolers. Our physical…

Applied Physics · Physics 2019-06-19 E. Zhang , C. Caloz , M. Skorobogatiy

We report the development of a detection optics for the integration of Raman scattering and scanning probe microscopy at low temperature based on a parabolic mirror. In our set-up half of the paraboloid mirror covers a solid angle of $\pi$…

Instrumentation and Detectors · Physics 2018-05-09 N. Chelwani , D. Hoch , D. Jost , B. Botka , J. -R. Scholz , R. Richter , M. Theodoridou , F. Kretzschmar , T. Böhm , K. Kamarás , R. Hackl
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