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Diffraction gratings integrated into an atomic, molecular, and optical (AMO) setup offer a compact and efficient route toward atom cooling and trapping, thus preparing magneto-optical traps (MOT) for insertion into future scalable quantum…

Optics · Physics 2025-03-18 Elaheh Karooby , Jiazhen Li , Amit Agrawal , Qing Gu

Recently, X-ray interferometers with more than one phase grating have been developed for differential phase contrast (DPC) imaging. In this study, a novel framework is developed to predict such interferometers' angular sensitivity responses…

Instrumentation and Detectors · Physics 2020-06-25 Jianwei Chen , Jiecheng Yang , Peiping Zhu , Ting Su , Huitao Zhang , Hairong Zheng , Dong Liang , Yongshuai Ge

Fabry-Perot fiber etalons (FPE) built from three or more reflectors are attractive for a variety of applications including communications and sensing. For accelerating a research and development work, one often desires to use off-the-shelf…

Signal Processing · Electrical Eng. & Systems 2019-09-13 Faiza Iftikhar , Usman Khan , M. Imran Cheema

We present a numerical analysis and preliminary experimental results on one-dimensional Fabry-Perot micro-cavities in Si$_3$N$_4$ waveguides. The Fabry-Perot micro-cavities are formed by two distributed Bragg reflectors separated by a…

Other Condensed Matter · Physics 2009-11-11 F. Riboli , A. Recati , N. Daldosso , L. Pavesi , G. Pucker , A. Lui , S. Cabrini , E. Di Fabrizio

In the present paper we study a phase transition problem for the Potts model with three competing interactions, the nearest neighbors, the second neighbors and triples of neighbors and non-zero external field on Cayley tree of order two. We…

Functional Analysis · Mathematics 2016-05-25 Hasan Akin , Seyit Temir

We report the observation of an intriguing behaviour in the transport properties of nanodevices operating in a regime between the Fabry-P\'erot and the Kondo limits. Using ultra-high quality nanotube devices, we study how the conductance…

Mesoscale and Nanoscale Physics · Physics 2020-11-03 W. Yang , C. Urgell , S. L. De Bonis , M. Marganska , M. Grifoni , A. Bachtold

We consider a two-dimensional electron gas interacting with a quantized cavity mode. We find that the coupling between the electrons and the photons in the cavity enhances the superconducting gap. Crucially, all terms in the Peierls phase…

Mesoscale and Nanoscale Physics · Physics 2025-01-09 Valerii K. Kozin , Even Thingstad , Daniel Loss , Jelena Klinovaja

Phase modulation has come to be recognized as a fundamental paradigm for optical device design in applications involving the spatiotemporal control of optical wavefronts. Here, asymmetric resonant multilayer cavities based on the inclusion…

Optics · Physics 2023-07-26 Giuseppina Simone

In atom optics a material structure is commonly regarded as an amplitude mask for atom waves. However, atomic diffraction patterns formed using material gratings indicate that material structures also operate as phase masks. In this study a…

Atomic Physics · Physics 2007-05-23 John D. Perreault , Alexander D. Cronin , T. A. Savas

We have realized a fiber-based Fabry-Perot cavity with CO2 laser-machined mirrors. It combines very small size, high finesse F>=130000, small waist and mode volume, and good mode matching between the fiber and cavity modes. This combination…

A multi-reflection model of grating diffraction based on the simplified modal method is proposed. Simulation results for a guided mode resonance Brewster grating using our method and rigorous coupled wave analysis are presented to verify…

Optics · Physics 2019-12-04 Changcheng Xiang , Jun Wu , Changhe Zhou , Wei Jia

The unique benefits of Fabry-P\'erot resonators as frequency-stable reference cavities and as an efficient interface between atoms and photons make them an indispensable resource for emerging photonic technologies. To bring these…

A single three-level atom driven by a longitudinal mode of a high-Q cavity is used to implement two-qubit quantum phase gates for the intracavity field. The two qubits are associated to the zero-and one-photon Fock states of each of the two…

Quantum Physics · Physics 2016-08-16 R. García--Maraver , R. Corbalán , K. Eckert , S. Rebić , M. Artoni , J. Mompart

We present a theoretical study of a spectral filter, which consists of a diffraction grating, a coupling lens, and an optical fiber. As the diffracted beam is highly dispersed spatially, coupling into an optical fiber naturally creates a…

Optics · Physics 2025-03-25 Seonjong Ryu , Jinpyo Jeong , Mintae Kang , Taemin Son , Andy Chong

We explore broadband and omnidirectional low frequency sound screening based on locally resonant acoustic metamaterials. We show that the coupling of different resonant modes supported by Fabry-Perot cavities can efficiently generate…

Applied Physics · Physics 2017-10-25 A. Elayouch , M. Addouche , M. Farhat , A. Khelif

We perform a theoretical study of finesse limitations of a Fabry-Perot (FP) cavity occurring due to finite size, asymmetry, as well as imperfections of the cavity mirrors. A method of numerical simulations of the eigenvalue problem…

A new dielectric Fabry-Perot cavity was designed for a resonant enhancing optical absorption by a thin absorber layer embedded into the cavity. In this cavity, the front mirror is a subwavelength grating with $\sim 100$% retroreflection.…

Optics · Physics 2013-07-09 Moshe Zohar , Mark Auslender , Lorenzo Faraone , Shlomo Hava

Conventional surface-relief gratings are inefficient at deflecting normally-incident light by large angles. This constrains their use in many applications and limits the overall efficiency of any optical instrument integrating gratings.…

Optics · Physics 2021-11-19 Ashutosh Patri , Stephane Kena-Cohen , Christophe Caloz

Factors that contribute to the temperature dependence of a resonant frequency in a low-expansion optical cavity are discussed, including deformation at the cavity ends due to different coefficients of thermal expansion (CTE) of the spacer,…

Optics · Physics 2015-05-13 Richard W. Fox

A major challenge in operating multi-qubit quantum processors is to mitigate multi-qubit coherent errors. For superconducting circuits, besides crosstalk originating from imperfect isolation of control lines, dispersive coupling between…

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