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Photons are excellent information carriers but normally pass through each other without consequence. Engineered interactions between photons would enable applications from quantum information processing to simulation of condensed matter…

Quantum Physics · Physics 2015-05-28 Haruka Tanji-Suzuki , Wenlan Chen , Renate Landig , Jonathan Simon , Vladan Vuletic

Time-bin encoded photon pairs enable robust, decoherence-resistant transmission through optical fibers for long-distance quantum communication, where phase noise poses a critical limitation to stable operation. Here, we implement an…

Quantum Physics · Physics 2025-10-28 P. M. Berto , F. CampodÓnico , A. A. Matoso , S. Vergara , P. A. Coelho , G. Lima , S. PÁdua , J. CariÑe

Both dynamic and static approaches are proposed and investigated for controlling the optical phase of a p-polarized light wave that is guided through a surface-patterned metallic structure with subwavelength features. For dynamic control,…

The decay of an excited atom in the presence of a medium that both scatters and absorbs radiation is studied with the help of a quantum-electrodynamical model. The medium is represented by a half space filled with a randomly distributed set…

Quantum Physics · Physics 2018-07-23 L. G. Suttorp , A. J. van Wonderen

In the framework of the nonlinear $\Lambda$-model we investigate propagation of solitons in atomic vapors and Bose-Einstein condensates. We show how the complicated nonlinear interplay between fast solitons and slow-light solitons in the…

Quantum Physics · Physics 2009-11-11 A. V. Rybin , I. P. Vadeiko , A. R. Bishop

Single atoms are interesting candidates for studying quantum optics and quantum information processing. Recently, trapping and manipulation of single atoms using tight optical dipole traps have generated considerable interest. Here we…

We consider the time-delayed coincidence counting of two photons emitted in a cascade by a single particle (atom, molecule, nucleus, etc). The time-dependence of the probability amplitude of the second photon in the cascade has a sharply…

Quantum Physics · Physics 2009-11-13 R. N. Shakhmuratov , J. Odeurs , Paul Mandel

We predict several effects associated with the optical response of systems prepared in a nonequilibrium state by impulsive optical excitations. The linear response depends on the phase of the electric field even if the initial…

Quantum Physics · Physics 2015-06-11 Bijay Kumar Agarwalla , Konstantin E. Dorfman , Shaul Mukamel

Hot alkali metal vapors enclosed in sub-micron spectroscopic cells provide an ideal system for fundamental studies of the atom-wall and atom-light interactions at nanoscale. Here, we propose a novel approach for calculating the eigenmodes…

Optics · Physics 2022-02-02 Andrei Ermolaev , Tigran Vartanyan

Acoustic modulation of quantum dots allows one to control the scattering of photons. Here we theoretically characterize the degree of this acoustic control in the frequency domain. We formulate the theory of low-intensity resonance…

Mesoscale and Nanoscale Physics · Physics 2025-04-11 Rafał A. Bogaczewicz , Paweł Machnikowski

We propose and analyze a scheme for controlling coherent photon transmission and reflection in a cavity-quantum-electrodynamics (CQED) system consisting of an optical resonator coupled with three-level atoms coherently prepared by a control…

Optics · Physics 2017-02-01 Liyong Wang , Ke Di , Yifu Zhu , G. S. Agarwal

Accurate phase measurement is highly desirable in optical manipulation driven by structured light, since the phase profiles have a close connection with optical force distribution, strongly affecting the capability of optical traps. Here,…

Optics · Physics 2023-01-25 Xionggui Tang , Yanhua Xu , Yi Shen , Wenjing Rong

Resonant light interacting with matter can support different phases of a polarizable medium, and optical bistability where two such phases coexist. Here we identify signatures of optical phase transitions and optical bistability mapped onto…

Atomic Physics · Physics 2020-11-10 C. D. Parmee , J. Ruostekoski

Phase changing materials (PCM) are widely used for optical data recording, sensing, all-optical switching, and optical limiting. Our focus here is on the case when the change in the transmission characteristics of the optical material is…

Optics · Physics 2018-01-10 Roney Thomas , Fred M. Ellis , Ilya Vitebsky , Tsampikos Kottos

We theoretically study the problem of detecting dipole radiation in an optical system of high numerical aperture in which the detector is sensitive to \textit{field amplitude}. In particular, we model the phase sensitive detector as a…

Photon emission and absorption by an individual qubit are essential elements for the quantum manipulation of light. Here we demonstrate the controllability of spontaneous emission of a qubit in various electromagnetic environments. The…

Quantum Physics · Physics 2019-07-10 Wai-Keong Mok , Jia-Bin You , Wenzu Zhang , Wan-Li Yang , Ching Eng Png

We study light diffraction in the periodically modulated ultrathin metal films both analytically and numerically. Without modulation these films are almost transparent. The periodicity results in the anomalous effects, such as suppression…

Other Condensed Matter · Physics 2015-05-13 I. S. Spevak , A. Yu. Nikitin , E. V. Bezuglyi , A. Levchenko , A. V. Kats

In this paper, we report on the optical absorption in porous silicon. We model the absorption process assuming that porous silicon is a pseudo 1D material system having a distribution of band gaps. We show that in order to explain the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Shouvik Datta , K. L. Narasimhan

Here we investigate how the positions of a condensed phase can be controlled by using concentration gradients of a regulator that influences phase separation. We consider a mean field model of a ternary mixture where a concentration…

Soft Condensed Matter · Physics 2018-08-15 Samuel Krüger , Christoph A. Weber , Jens-UweSommer , Frank Jülicher

The recoil effects of spontaneous photon emissions during optical pumping of a trapped three-level atom are exactly calculated. Without resort to the Lamb-Dicke approximation, and considering arbitrary detuning and saturation of the pump…

Quantum Physics · Physics 2009-11-13 S. Wallentowitz , P. E. Toschek
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