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Bose-Einstein condensation has in the last two decades been observed in cold atomic gases and in solid-state physics quasiparticles, exciton-polaritons and magnons, respectively. The perhaps most widely known example of a bosonic gas,…

Quantum Gases · Physics 2013-03-26 Jan Klaers , Julian Schmitt , Tobias Damm , David Dung , Frank Vewinger , Martin Weitz

We propose a method to implement a quantum memory for light based on ensembles of two-level atoms. Our protocol is based on controlled reversible inhomogeneous broadening (CRIB), where an external field first dephases the atomic…

Quantum Physics · Physics 2013-08-21 Ivan Iakoupov , Anders S. Sørensen

Recently, the photon absorption attracts lots of interest and plays an important role in a variety of applications. Here, we propose a valuable scheme to investigate the perfect photon absorption in a hybrid atom-optomechanical system both…

Quantum Physics · Physics 2017-04-19 Yang Zhang , Amjad Sohail , Chang-shui Yu

We examine in detail the quantum memory technique for photons in a double $\Lambda$ atomic ensemble in this work. The novel application of the present technique to create two different quantum probe fields as well as entangled states of…

Quantum Physics · Physics 2012-09-18 Xiong-Jun Liu , Hui Jing , Mo-Lin Ge

The standard experimental techniques usually adopted in the study of the behaviour of ultracold atoms in optical lattices involve extracting the atom density profile from absorption images of the atomic sample after trap release. Quantum…

Quantum Physics · Physics 2009-11-13 S. Anderloni , F. Benatti , R. Floreanini , A. Trombettoni

We explore the photon transfer in the nonlinear parity-time-symmetry system of two coupled cavities, which contains nonlinear gain and loss dependent on the intracavity photons. Analytical solution to the steady state gives a saturated…

Quantum Physics · Physics 2021-05-19 Ling-Pu Gong , Xing-Sen Chen , Yin Tan , Rui Zhang , Yu-Yu Zhang

In this chapter, we will describe the storage and retrieval of quantum light (heralded single photons and entangled photons) in atomic ensembles in a solid state environment. We will consider ensembles of rare-earth ions embedded in…

Quantum Physics · Physics 2015-02-03 Hugues de Riedmatten , Mikael Afzelius

A new technique for embedding data into an image coupled with compression has been proposed in this paper. A fast and efficient coding algorithms are needed for effective storage and transmission, due to the popularity of telemedicine and…

Cryptography and Security · Computer Science 2016-04-12 M. MaryShanthi Rani , S. Lakshmanan

The use of energy conservation arguments is ubiquitous in understanding the process of high harmonic generation, yet a complete quantum optical description of exact photon number exchange remained elusive. Here, we solve this gap in…

Quantum Physics · Physics 2026-03-24 Philipp Stammer

We investigate propagation of a slow-light soliton in atomic vapors and Bose-Einstein condensates described by the nonlinear Lambda-model. We show that the group velocity of the soliton monotonically decreases with the intensity of the…

Quantum Physics · Physics 2007-05-23 A. V. Rybin , I. P. Vadeiko , A. R. Bishop

We present a scheme for eliminating the optical diffraction of slow-light in a thermal atomic medium of electromagnetically induced transparency. Nondiffraction is achieved for an arbitrary paraxial image by manipulating the susceptibility…

Quantum Physics · Physics 2009-01-30 O. Firstenberg , M. Shuker , N. Davidson , A. Ron

In this paper we demonstrate the utility of fusing energy-resolved observations of Compton scattered photons with traditional attenuation data for the joint recovery of mass density and photoelectric absorption in the context of limited…

Computer Vision and Pattern Recognition · Computer Science 2017-07-07 Hamideh Rezaee , Brian Tracey , Eric L. Miller

We demonstrate a memory for light based on optomechanically induced transparency. We achieve a long storage time by leveraging the ultra-low dissipation of a soft-clamped mechanical membrane resonator, which oscillates at MHz frequencies.…

Quantum Physics · Physics 2023-08-11 Mads Bjerregaard Kristensen , Nenad Kralj , Eric Langman , Albert Schliesser

Confining light in open structures is a long-sought goal in nanophotonics and cavity quantum electrodynamics. Embedded eigenstates provide infinite lifetime despite the presence of available leakage channels, but in linear time-invariant…

Quantum Physics · Physics 2018-05-10 Michele Cotrufo , Andrea Alù

Harnessing a beam of slow free electrons in artificial photonic structures offers a powerful, tunable platform for generating nonclassical light without the need for heavy physical equipment. Here we present a theory of nonclassical lasing,…

We theoretically study the propagation and storage of a classical field in a $\Lambda$-type atomic medium using coherent population oscillations (CPOs). We show that the propagation eigenmodes strongly relate to the different CPO modes of…

Quantum Physics · Physics 2017-02-22 P. Neveu , M. -A. Maynard , R. Bouchez , J. Lugani , R. Ghosh , F. Bretenaker , F. Goldfarb , E. Brion

We demonstrate several building blocks for an ion-photon interface based on a trapped Ca ion in an optical cavity. We identify a favorable experimental configuration and measure system parameters, including relative motion of the trapped…

Quantum Physics · Physics 2015-05-28 A. Stute , B. Casabone , B. Brandstätter , D. Habicher , P. O. Schmidt , T. E. Northup , R. Blatt

We report the demonstration of phase coherence and control for the recently developed "light storage" technique. Specifically, we use a pulsed magnetic field to vary the phase of atomic spin excitations which result from the deceleration…

Quantum Physics · Physics 2009-11-07 A. Mair , J. Hager , D. F. Phillips , R. L. Walsworth , M. D. Lukin

We propose a quantum memory for a single-photon wave packet in a superposition of two different colors, i.e., two different frequency components, using the electromagnetically induced transparency technique in a double-{\Lambda} system. We…

Quantum Physics · Physics 2013-01-16 D. Viscor , V. Ahufinger , J. Mompart , A. Zavatta , G. C. La Rocca , M. Artoni

High-dimensional astronomical data cubes provide a wealth of spectral and structural information that can be used to study astrophysical and chemical processes. The complexity and sheer size of these datasets pose significant challenges in…

Instrumentation and Methods for Astrophysics · Physics 2025-12-18 Haley N. Scolati , Ryan A. Loomis , Anthony J. Remijan , Kin Long Kelvin Lee