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Related papers: Classical dispersion-cancellation interferometry

200 papers

We discuss the experimental techniques used to date for measuring the changes in polarization state of a laser produced by a strong transverse magnetic field acting in a vacuum. We point out the likely artifacts that can arise in such…

High Energy Physics - Theory · Physics 2007-10-10 Christopher C. Davis , Joseph Harris , Robert W. Gammon , Igor I. Smolyaninov , Kyuman Cho

Shaping single-mode operation in high-power fibres requires a precise knowledge of the gain-medium optical properties. This requires accurate measurements of the refractive index differences ($\Delta$n) between the core and the cladding of…

Measurements are reported of the cross-correlation of spectra of differential position signals from the Fermilab Holometer, a pair of co-located 39 m long, high power Michelson interferometers with flat, broadband frequency response in the…

High-brightness electron beams with low energy spread at existing and future x-ray free-electron lasers are affected by various collective beam self-interactions and microbunching instabilities. The corresponding coherent optical radiation…

Accelerator Physics · Physics 2012-06-15 Christopher Behrens , Christopher Gerth , Gero Kube , Bernhard Schmidt , Stephan Wesch , Minjie Yan

Rotation measure synthesis allows the estimation of Faraday dispersion via a Fourier transform and is the primary tool to probe cosmic magnetic fields. We show this can be considered mathematically equivalent to the one dimensional…

Instrumentation and Methods for Astrophysics · Physics 2020-05-13 Luke Pratley , Melanie Johnston-Hollitt

Mitigation of radio frequency interference (RFI) is essential to deliver science-ready radio interferometric data to astronomers. In this paper, using dual polarized radio interferometers, we propose to use the polarization information of…

Instrumentation and Methods for Astrophysics · Physics 2020-07-24 Sarod Yatawatta

Quantum-correlated interferometer is a newly emerging tool in quantum technology that offers classical-limit-breaking phase sensitivity. But to date, there exists a configurational bottleneck for its practicability due to the low…

Atomic Physics · Physics 2025-01-10 Wei Du , Shuhe Wu , Dong Zhang , Jun Chen , Yiquan Yang , Peiyu Yang , Jinxian Guo , Guzhi Bao , Weiping Zhang

Determination of the path taken by a quantum particle leads to a suppression of interference and to a classical behavior. We employ here a quantum 'which path' detector to perform accurate path determination in a…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 I. Neder , M. Heiblum , D. Mahalu , V. Umansky

For the first time a method for realizing macroscopic quantum optical solitons is presented. Simultaneous photon-number and momentum squeezing is predicted using soliton propagation in an interferometer. Extraction of soliton pulses closer…

Quantum Physics · Physics 2009-10-31 M. J. Werner

Nearly two centuries ago Talbot first observed the fascinating effect whereby light propagating through a periodic structure generates a `carpet' of image revivals in the near field. Here we report the first observation of the spatial…

Atomic Physics · Physics 2018-02-01 Y. Zhai , C. H. Carson , V. A. Henderson , P. F. Griffin , E. Riis , A. S. Arnold

We theoretically investigate the quantum interference of entangled two-photon states generated in a nonlinear crystal pumped by femtosecond optical pulses. Interference patterns generated by the polarization analog of the Hong-Ou-Mandel…

Quantum Physics · Physics 2012-08-27 J. Perina, , A. V. Sergienko , B. M. Jost , B. E. A. Saleh , M. C. Teich

We present a method of broadening the dynamic range of optical interferometric detection of cantilever displacement. The key idea of this system is to use a wavelength-tunable laser source. The wavelength is subject to proportional-integral…

Instrumentation and Detectors · Physics 2016-11-02 Hideyuki Takahashi , Tsubasa Okamoto , Eiji Ohmichi , Hitoshi Ohta

The combination of interaction-free measurement and the quantum Zeno effect has been shown to both increase the signal-to-noise ratio of imaging, and decrease the light intensity flux through the imaged object. So far though, this has only…

Quantum Physics · Physics 2022-08-18 Jonte R. Hance , John Rarity

We consider theoretically density-density correlation of identical Fermi system by including the finite resolution of a detector and delta-function term omitted in the ordinary method. We find an anomalous fermion bunching effect, which is…

Other Condensed Matter · Physics 2011-02-19 Hongwei Xiong , Shujuan Liu

Franson interferometry is a well-known quantum measurement technique for probing photon-pair frequency correlations that is often used to certify time-energy entanglement. We demonstrate the complementary technique in the time basis, called…

Quantum Physics · Physics 2021-09-01 Changchen Chen , Jeffrey H. Shapiro , Franco N. C. Wong

We measure the angular divergence of a quasi-continuous, rf-outcoupled, free-falling atom laser as a function of the outcoupling frequency. The data is compared to a Gaussian-beam model of laser propagation that generalizes the standard…

Condensed Matter · Physics 2009-11-07 Y. Le Coq , J. H. Thywissen , S. A. Rangwala , F. Gerbier , S. Richard , G. Delannoy , P. Bouyer , A. Aspect

We describe a new technique for removing troublesome interference from external coherent signals present in the gravitational wave spectrum. The method works when the interference is present in many harmonics, as long as they remain…

General Relativity and Quantum Cosmology · Physics 2009-12-30 Alicia M. Sintes , Bernard F. Schutz

Highest resolution imaging in astronomy is achieved by interferometry, connecting telescopes over increasingly longer distances, and at successively shorter wavelengths. Here, we present the first diffraction-limited images in visual light,…

Instrumentation and Methods for Astrophysics · Physics 2015-04-21 Dainis Dravins , Tiphaine Lagadec , Paul D. Nuñez

We demonstrate a simple and robust methodology for measuring and analyzing the polarization impedance appearing at interface between electrodes and ionic solutions, in the frequency range from 1 to $10^6$ Hz. The method assumes no…

Soft Condensed Matter · Physics 2009-09-15 Camelia Prodan , Corina Bot

We demonstrate theoretically and experimentally how the diffraction and interferometric resolution limit for single-mode coherent cw laser light can be overcome by multi-photon interference. By use of a Mach-Zehnder interferometer, operated…

Quantum Physics · Physics 2024-04-02 Sangbae Kim , Joachim Stohr , Fabian Rotermund , Byoung S. Ham