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Photons can undergo spin-orbit coupling, by which the polarization (spin) and spatial profile (orbit) of the electromagnetic field interact and mix. Strong photonic spin-orbit coupling may reportedly arise from light propagation confined in…

Optics · Physics 2023-08-08 Chang Kyun Ha , Eun Mi Kim , Kyoung Jun Moon , Myeong Soo Kang

We demonstrate experimentally and theoretically a controllable way of shifting the frequency of an optical pulse by using a combination of spectral hole burning, slow light effect, and linear Stark effect in a rare-earth-ion doped crystal.…

Quantum Physics · Physics 2016-04-27 Qian Li , Yupan Bao , Axel Thuresson , Adam N. Nilsson , Lars Rippe , Stefan Kröll

Light induced non-equilibrium spin noise spectroscopy is theoretically and experimentally shown to be an efficient technique to reveal the structure and the coherent effects in the probed transition. Indeed, using metastable helium, the…

Quantum Physics · Physics 2023-01-18 Joseph Delpy , Shikang Liu , Pascal Neveu , E Wu , Fabien Bretenaker , Fabienne Goldfarb

We comment on the interpretation of absolute rotation measurements with superfluids, which involve the Sagnac effect. This effect, first observed in rotating optical interferometers, has now been seen in a host of different physical…

General Relativity and Quantum Cosmology · Physics 2007-07-04 E. Varoquaux , G. Varoquaux

The spin flip of the conduction electrons at the interface of a ferromagnetic and a nonmagnetic part of a metallic wire, suspended between two electrodes, is shown to tort the wire when a current is driven through it. In order to enhance…

Strongly Correlated Electrons · Physics 2016-10-26 Peter Fulde , Stefan Kettemann

Many phenomena and fundamental predictions, ranging from Hawking radiation to the early evolution of the Universe rely on the interplay between quantum mechanics and gravity or more generally, quantum mechanics in curved spacetimes.…

Quantum Physics · Physics 2022-12-22 Marko Toroš , Marion Cromb , Mauro Paternostro , Daniele Faccio

We investigate the effect of nuclear spins on the phase shift and polarisation rotation of photons scattered off a quantum dot-cavity system. We show that as the phase shift depends strongly on the resonance energy of an electronic…

Quantum Physics · Physics 2019-06-05 Thomas Nutz , Petros Androvitsaneas , Andrew Young , Ruth Oulton , Dara P. S. McCutcheon

We study the optical transmission characteristics of pump-probe driven spinning optomechanical ring resonators coupled in a series configuration. After performing the steady-state analysis valid for an arbitrary number of resonators, as an…

Quantum Physics · Physics 2019-08-29 Imran M. Mirza , Wenchao Ge , Hui Jing

Electromagnetic temporal boundaries, emerging when the constitutive parameters of a medium undergo abrupt temporal variations, have garnered significant interest for their role in facilitating unconventional wave phenomena and enabling…

Resonant inelastic light scattering experiments access the low lying excitations of electron liquids in the fractional quantum Hall regime in the range $2/5 \geq \nu \geq 1/3$. Modes associated with changes in the charge and spin degrees of…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 I. Dujovne , C. F. Hirjibehedin , A. Pinczuk , Moonsoo Kang , B. S. Dennis , L. N. Pfeiffer , K. W. West

Polarization measurements provide a detailed method to test the Standard Model and to search for new physics. Most previous studies depend on pre-selected coordinates, which blurs the significance of the results. The construction of two…

High Energy Physics - Phenomenology · Physics 2017-03-16 Yan-Qing Ma , Jian-Wei Qiu , Hong Zhang

We propose a motional dynamical decoupling technique by utilizing a sequence of $\pi$-phase shifts, instead of the conventional $\pi$-pulses for spin flipping, to implement the quantum enhanced rotation sensing with a 1+2 dimensional hybrid…

Quantum Physics · Physics 2024-10-22 X. N. Feng , L. F. Wei

The Sagnac effect in two dimensional (2D) resonant microcavities is studied theoretically and numerically. The frequency shift due to the Sagnac effect occurs as a threshold phenomenon for the angular velocity in a rotating microcavity.…

Optics · Physics 2009-11-11 Satoshi Sunada , Takahisa Harayama

The photon helicity may be mapped to a spin-1/2, whereby we put forward an intrinsic interaction between a polarized light beam as a ``photon spin current'' and a pure spin current in a semiconductor, which arises from the spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2008-07-16 Jing Wang , Bang-Fen Zhu , Ren-Bao Liu

Coherent spin oscillations were non-thermally induced by circularly polarized pulses in fully compensated antiferromagnetic NiO. This effect is attributed to an entirely new mechanism of the action, on the spins, of the effective magnetic…

Strongly Correlated Electrons · Physics 2010-11-18 Takuya Satoh , Sung-Jin Cho , Ryugo Iida , Tsutomu Shimura , Kazuo Kuroda , Hiroaki Ueda , Yutaka Ueda , B. A. Ivanov , Franco Nori , Manfred Fiebig

Gyroscopes play a crucial role in many and diverse applications associated with navigation, positioning, and inertial sensing [1]. In general, most optical gyroscopes rely on the Sagnac effect -- a relativistically induced phase shift that…

A theory for the relation between the spin polarization and luminescence in silicon is presented. The theory provides intuitive relations for phonon-assisted optical transitions between the conduction and valence band edges. It is shown…

Materials Science · Physics 2013-05-17 Pengke Li , Hanan Dery

We study the interplay between rotation and openness for mode coupling in wavelength-scale microcavities. In cavities deformed from a circular disk, the decay rates of a quasi-degenerate pair of resonances may cross or anti-cross with…

Optics · Physics 2015-06-19 Li Ge , Raktim Sarma , Hui Cao

The polarization exchange effect in a twisted-nematic Fabry-P\'erot resonator is experimentally confirmed in the regimes of both uniform and electric-field-deformed twisted structures. The polarization of output light in the transmission…

It is often argued that two linearly coupled quantum harmonic oscillators, even when cooled to their ground state, display no inherently quantum features beyond quantized energy levels. Here, we challenge this view by showing that their…

Quantum Physics · Physics 2025-11-27 Safoura Mirkhalaf , Helmut Ritsch , Karol Gietka