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In the past, light-assisted cold collisions between laser cooled atoms have been widely studied in magneto-optical atom traps (MOTs). We describe here theoretical studies of dynamical interactions, specifically cold collisions, between…

Atomic Physics · Physics 2009-11-10 J. Piilo , K. -A. Suominen

Leveraging advancements in cavity optomechanics, we explore Optomechanically Induced Transparency/Absorption (OMIT/OMIA) in the microwave domain at ambient temperature. Contrary to previous works employing cryogenic temperatures, this work…

Applied Physics · Physics 2024-03-19 Sumit Kumar , Matthew Kenworthy , Henry Ginn , Xavier Rojas

We consider an optomechanical cavity that is driven stroboscopically by a train of short pulses. By suitably choosing the inter-pulse spacing we show that ground-state cooling and mechanical squeezing can be achieved, even in the presence…

Quantum Physics · Physics 2020-07-06 Matteo Brunelli , Daniel Malz , Albert Schliesser , Andreas Nunnenkamp

Optical cycling transitions and direct laser cooling have recently been demonstrated for a number of alkaline-earth dimers and trimer molecules. This is made possible by diagonal Franck-Condon factors between the vibrational modes of the…

Chemical Physics · Physics 2020-04-08 Jacek Kłos , Svetlana Kotochigova

Quantum statistics and symmetrization dictate that identical fermions do not interact via s-wave collisions. However, in the presence of spin-orbit coupling (SOC), fermions prepared in identical internal states with distinct momenta become…

Atomic Physics · Physics 2018-05-09 S. L. Bromley , S. Kolkowitz , T. Bothwell , D. Kedar , A. Safavi-Naini , M. L. Wall , C. Salomon , A. M. Rey , J. Ye

A class of Hamiltonians that are experimentally feasible in several contexts within quantum optics and lead to so-called cooling by heating for fermionic as well as for bosonic systems has been analyzed numerically. We have found a large…

Quantum Physics · Physics 2012-10-02 D. Z. Rossatto , A. R. de Almeida , T. Werlang , C. J. Villas-Boas , N. G. de Almeida

Optomechanical cooling of levitated nanoparticles has become an essential topic in modern quantum physics, providing a platform for exploring macroscopic quantum phenomena and high-precision sensing. However, conventional cavity-assisted…

Quantum Physics · Physics 2025-12-04 Jialin Li , Guangyu Zhang , Zhang-qi Yin

Preparing and manipulating quantum states of mechanical resonators is a highly interdisciplinary undertaking that now receives enormous interest for its far-reaching potential in fundamental and applied science. Up to now, only nanoscale…

In a recent paper, we have proposed a novel laser cooling scheme for reducing collisional energy of a pair of atoms by using photoassociative transitions. In that paper, we considered two atoms in free space, that is we have not considered…

Atomic Physics · Physics 2017-03-22 Somnath Naskar , Subrata Saha , Partha Goswami , Arpita pal , Bimalendu Deb

We study the laser cooling of a mechanical oscillator through the coupling with a dissipative three-level system. Under a background temperature beyond the Lamb-Dicke regime, we extend the standard cooling analysis by separately studying…

Quantum Physics · Physics 2016-08-08 Hoi-Kwan Lau , Martin B. Plenio

We present a detailed study to show the possibility of approaching the quantum ground-state of a hybrid optomechanical quantum device formed by a Bose-Einstein condensate (BEC) confined inside a high-finesse optical cavity with an…

Quantum Gases · Physics 2015-06-12 Sonam Mahajan , Neha Aggarwal , Aranya B Bhattacherjee , ManMohan

Application of electron cooling at ion energies above a few GeV has been limited due to reduction of electron cooling efficiency with energy and difficulty in producing and accelerating a high-current high-quality electron beam. A…

Accelerator Physics · Physics 2016-05-10 F. Lin , Y. S. Derbenev , D. Douglas , J. Guo , R. P. Johnson , G. Krafft , V. S. Morozov , Y. Zhang

In optomechanics, electromagnetic fields are harnessed to control a single mode of a mechanically compliant system, while other mechanical degrees of freedom remain unaffected due to the modes' mutual orthogonality and high quality factor.…

Quantum Physics · Physics 2020-07-22 Martin Frimmer , Jan Gieseler , Lukas Novotny

We create an ultracold-atoms-based cavity optomechanical system in which as many as six distinguishable mechanical oscillators are prepared, and optically detected, near their ground states of motion. We demonstrate that the motional state…

In this paper, we will describe some of the recent experimental measurements [1, 2, 3] performed at CESRTA [4], and the supporting simulations, which probe the interaction of the electron cloud with the stored beam. These experiments have…

Optically detected magnetic resonance (ODMR) has become a well-established and powerful technique for measuring the spin state of solid-state quantum emitters, at room temperature. Relying on spin-dependent recombination processes involving…

Quantum Physics · Physics 2024-05-30 Dylan G. Stone , Benjamin Whitefield , Mehran Kianinia , Carlo Bradac

Evanescent coupling between a silica optical microbottle resonator and a GaAs electromechanical resonator is demonstrated. This coupling provides high optical sensitivity and efficient piezoelectric controllability of mechanical motion.…

Mesoscale and Nanoscale Physics · Physics 2018-05-17 Motoki Asano , Ryuichi Ohta , Takashi Yamamoto , Hajime Okamoto , Hiroshi Yamaguchi

Recent advances in nanofabrication methods have made it possible to create complex two-dimensional artificial structures, such as fractals, where electrons can be confined. The optoelectronic and plasmonic properties of these exotic quantum…

Mesoscale and Nanoscale Physics · Physics 2018-01-03 Edo van Veen , Andrea Tomadin , Marco Polini , Mikhail I. Katsnelson , Shengjun Yuan

The rapid development of high-Q macroscopic mechanical resonators has enabled great advances in optomechanics. Further improvements could allow for quantum-limited or quantum-enhanced applications at ambient temperature. Some of the…

Optics · Physics 2022-09-30 Jingkun Guo , Simon Gröblacher

Laser is one of the most important discoveries in the 20th century, and inorganic semiconductor lasers (ISCL) are most frequently used in many applications nowadays. Organic semiconductor lasers (OSCL) have many attractive features when…

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