English
Related papers

Related papers: Control of the differential interference contrast …

200 papers

Quantum interference effects are shown to provide a means of controlling and enhancing the focusing a collimated neutral molecular beam onto a surface. The nature of the aperiodic pattern formed can be altered by varying laser field…

Quantum Physics · Physics 2009-11-06 Bijoy K. Dey , Moshe Shapiro , Paul Brumer

Atom interferometry is the most successful technique for precision metrology. However, current interferometers using ultracold atoms allows one to probe the interference pattern only momentarily and has finite duty cycle, resulting in an…

Atomic Physics · Physics 2018-10-31 Sumit Sarkar , Jay Mangaonkar , Chetan Vishwakarma , Umakant D. Rapol

The maximum information rates for bandlimited channels with direct detection are achieved with joint detection and decoding (JDD), but JDD is often too complex to implement. Two receiver structures are studied to reduce complexity: separate…

Information Theory · Computer Science 2023-12-20 Tobias Prinz , Daniel Plabst , Thomas Wiegart , Stefano Calabrò , Norbert Hanik , Gerhard Kramer

The interaction of intense mid-infrared laser fields with atoms and molecules leads to a range of new opportunities, from the production of bright, coherent radiation in the soft x-ray range to imaging molecular structures and dynamics with…

We propose high-contrast Mach-Zehnder atom interferometers based on double Bragg diffraction (DBD) operating under external acceleration. To mitigate differential Doppler shifts and experimental imperfections, we introduce a tri-frequency…

Quantum Physics · Physics 2026-01-28 Rui Li , Víctor José Martínez-Lahuerta , Naceur Gaaloul , Klemens Hammerer

Motivated by the recent experiment [V.A. Sautenkov, Yu.V. Rostovtsev, and M.O. Scully, Phys. Rev. A 72, 065801 (2005)], we develop a theoretical model in which the field intensity fluctuations resulted from resonant interaction of a dense…

Interferometric methods, renowned for their reliability and precision, play a vital role in phase imaging. Interferometry typically requires high coherence and stability between the measured and the reference beam. The presence of rapid…

In this paper we propose a new optical architecture for the laser optical feedback imaging (LOFI) technique which makes it possible to avoid the adverse effect of the optical parasitic backscattering introduced by all the optical interfaces…

Optics · Physics 2014-02-27 Olivier Jacquin , Samuel Heidmann , Eric Lacot , Olivier Hugon

Laser interferometers with high circulating power and suspended optics, such as the LIGO gravitational wave detectors, experience an optomechanical coupling effect known as a parametric instability: the runaway excitation of a mechanical…

General Relativity and Quantum Cosmology · Physics 2017-09-27 A. C. Green , D. D. Brown , M. Dovale-Álvarez , C. Collins , H. Miao , C. Mow-Lowry , A. Freise

Realization of nonreciprocal transmission with low insertion loss and high contrast simultaneously is in great demand for one-way optical communication and information processing. Here we propose a generic approach to achieving perfect…

Optics · Physics 2023-02-08 Xinyao Huang , Yong-Chun Liu

Over the past few years questions have been raised concerning the use of laser communications links between sciencecraft to transmit phase information crucial to the reduction of laser frequency noise in the LISA science measurement. The…

General Relativity and Quantum Cosmology · Physics 2010-11-05 Scott E Pollack , Robin Tuck Stebbins

A bidirectional mode-locked fiber laser producing two correlated frequency combs of the same repetition rate is demonstrated. The intensity dependence of pulse and phase velocities are measured simultaneously. As expected, the phase delay…

Optics · Physics 2019-06-26 Hanieh Afkhamiardakani , Jean-Claude Diels

The combination of phase, intensity, and contrast effects during electrooptic modulation is theoretically and exper- imentally investigated. One consequence of this combination is the modification of the amplitude of the single-frequency…

Optics · Physics 2009-11-13 L. Guilbert , J. P. Salvestrini , H. Hassan , M. D. Fontana

On-chip integrated photonic circuits are crucial to further progress towards quantum technologies and in the science of quantum optics. Here we report precise control of single photon states and multi-photon entanglement directly on-chip.…

Quantum Physics · Physics 2009-11-09 Jonathan C. F. Matthews , Alberto Politi , Andre Stefanov , Jeremy L. O'Brien

We discuss the feasibility of negative refraction with reduced absorption in coherently driven atomic media. Coherent coupling of an electric and a magnetic dipole transition by laser fields induces magneto-electric cross-coupling and…

Quantum Physics · Physics 2015-05-13 Jürgen Kästel , Michael Fleischhauer , Susanne F. Yelin , Ronald L. Walsworth

Atom interferometers in optical cavities benefit from strong laser intensities and high-quality wavefronts. The laser frequency pairs that are needed for driving Raman transitions (often generated by phase modulating a monochromatic beam)…

Atomic Physics · Physics 2021-02-24 Sofus L. Kristensen , Matt Jaffe , Victoria Xu , Cristian D. Panda , Holger Müller

A new technique based on superposition of two speckle patterns is proposed and demonstrated for controlled modulation of the spatial polarization distribution of the resultant speckle. It is demonstrated both theoretically and…

Optics · Physics 2021-11-15 Abhijit Roy , Rakesh K. Singh , Maruthi M. Brundavanam

The entrainment (or locking) phenomenon, by which an oscillator adapts its natural rhythm to an external periodic signal, is well-known in physics, chemistry, biology, etc.; however, controlling an stochastic nonlinear system with a…

Optics · Physics 2019-02-20 J Tiana-Alsina , C Quintero-Quiroz , M. C. Torrent , C Masoller

Laser-plasma instability (LPI) is one of the main obstacles in laser-driven inertial confinement fusion (ICF) for achieving predictable and reproducible fusion at high gain. For the first time we have proved analytically and confirmed with…

Plasma Physics · Physics 2022-11-24 Yi Guo , Xiaomei Zhang , Dirui Xu , Xinju Guo , Baifei Shen , Ke Lan

Coherent control over photoelectron wavepackets, via the use of polarization-shaped laser pulses, can be understood as a time and polarization-multiplexed process. In this work, we investigate this multiplexing via computation of the…

Atomic Physics · Physics 2016-05-30 Paul Hockett , Matthias Wollenhaupt , Thomas Baumert