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Related papers: Optical Pumping : Experiment and Theory Revisited

200 papers

We describe theoretically the resonant optical excitation of a trion with circularly polarized light and discuss how this trion permits the read-out of a single electron spin through a recycling transition. Optical pumping through…

Materials Science · Physics 2007-05-23 A. Shabaev , Al. L. Efros , D. Gammon , I. A. Merkulov

We experimentally observed optical precursors in optically pumped crystals using polarization-based interference. By switching the user-programmable medium among the fast light, slow light and no-dispersion regimes, we observed an unchanged…

Quantum Physics · Physics 2013-04-15 Zong-Quan Zhou , Chuan-Feng Li , Guang-Can Guo

The aim of this paper is to introduce a mathematical logic based approach investigating why-type questions in physics.

Mathematical Physics · Physics 2018-01-30 Gergely Székely

In this work, we study the efficiency of charging a quantum battery through optical pumping. The battery consists of a qutrit and it is connected to a natural thermal reservoir and an external coherent drive in the limit where its upper…

Quantum Physics · Physics 2022-11-08 Tiago F. F. Santos , Marcelo F. Santos

We have recently demonstrated that optical pumping methods combined with photoassociation of ultra-cold atoms can produce ultra-cold and dense samples of molecules in their absolute rovibronic ground state. More generally, both the external…

Atomic Physics · Physics 2013-08-01 I. Manai , R. Horchani , M. Hamamda , A. Fioretti , M. Allegrini , H. Lignier , P. Pillet , D. Comparat

We present the light-induced manipulation of absorbing liquid droplets in air. Ink droplets from a printer cartridge are used to demonstrate that absorbing liquids - just like their solid counterparts - can interact with regions of high…

Optics · Physics 2012-10-01 Michael Esseling , Patrick Rose , Christina Alpmann , Cornelia Denz

Optical downconversion is widely used for generating photon pairs, squeezed and entangled states of light, making it an indispensable tool in quantum optics and quantum information. In the regime where the pump is much stronger than the…

Quantum Physics · Physics 2025-10-14 D. B. Horoshko , V. S. Shchesnovich

As an important optical component, lens is widely used in scientific inquiry and production. At present, lens manufacturing mainly relies on grinding, polishing and other methods. However, these methods often require expensive equipment and…

Optics · Physics 2024-06-10 Chuanzhu Cheng , Fanru Kong , Yuqing Liu

Present understanding of accelerator optics is based mainly on classical mechanics and electrodynamics. In recent years quantum theory of charged-particle beam optics has been under development. In this paper the newly developed formalism…

Accelerator Physics · Physics 2007-05-23 Sameen Ahmed Khan

We have recently developed a self-consistent theory of Strong-Coupling in the presence of an incoherent pumping [arXiv:0807.3194] and shown how it could reproduce quantitatively the experimental data [PRL 101, 083601 (2008)]. Here, we…

Mesoscale and Nanoscale Physics · Physics 2010-01-29 F. P. Laussy , E. del Valle , C. Tejedor

An extended interference pattern close to surface may result in both a transmissive or evanescent surface fields for large area manipulation of trapped particles. The affinity of differing particle sizes to a moving standing wave light…

Emulsions are ubiquitous in everyday life and find applications in various industries. Optical tweezers (OTs) have emerged as the preferred method for studying emulsion dynamics. In this review, we first introduce the theory of optical…

Optofluidics is dedicated to achieving integrated control of particle and fluid motion, particularly on the micrometer scale, by utilizing light to direct fluid flow and particle motion. The field has seen significant growth recently,…

We review the history of the parallel tempering simulation method. From its origins in data analysis, the parallel tempering method has become a standard workhorse of physiochemical simulations. We discuss the theory behind the method and…

Computational Physics · Physics 2017-09-13 David J. Earl , Michael W. Deem

Active optics is defined as the control of the shape and the alignment of the components of an optical system at low temporal frequencies. For modern large telescopes with flexible monolithic or segmented primary mirrors and also flexible…

Astrophysics · Physics 2007-05-23 Lothar Noethe

The successful development and optimisation of optically-driven micromachines will be greatly enhanced by the ability to computationally model the optical forces and torques applied to such devices. In principle, this can be done by…

Although developing proficiency with modeling is a nationally endorsed learning outcome for upper-division undergraduate physics lab courses, no corresponding research-based assessments exist. Our longterm goal is to develop assessments of…

Physics Education · Physics 2018-05-29 Dimitri R. Dounas-Frazer , Jacob T. Stanley , H. J. Lewandowski

Multi-step assembly of individual protein building blocks is key to the formation of essential higher-order structures inside and outside of cells. Optical tweezers is a technique well suited to investigate the mechanics and dynamics of…

Biological Physics · Physics 2020-08-18 Kathrin Lehmann , Marjan Shayegan , Gerhard A. Blab , Nancy R. Forde

Optical tweezers exploit light--matter interactions to trap particles ranging from single atoms to micrometer-sized eukaryotic cells. For this reason, optical tweezers are a ubiquitous tool in physics, biology, and nanotechnology. Recently,…

In this article, we share our experience related to the new photo-injector commissioning at the SPARC\_LAB test facility. The new photo-injector was installed into an existing machine and our goal was not only to improve the final beam…

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