English
Related papers

Related papers: Sagnac interferometry based on ultra-slow polarito…

200 papers

A Sagnac atom interferometer can be constructed using a Bose-Einstein condensate trapped in a cylindrically symmetric harmonic potential. Using the Bragg interaction with a set of laser beams, the atoms can be launched into circular orbits,…

Quantum Physics · Physics 2021-03-26 Zhe Luo , E R Moan , C A Sackett

The non-reciprocity of Sagnac interferometer provides ultra-high sensitivity for parameter estimation and offers a wide range of applications, especially for optical fiber sensing. In this work, we study a new type of non-reciprocity…

Recently, biased weak measurement(BWM) has shown higher precision than both conventional measurement and standard weak measurement(SWM) in optical metrology. In this paper, we propose a scheme of detecting rotation velocity in Sagnac's…

Quantum Physics · Physics 2021-10-22 Jing-Hui Huang , Xiang-Yun Hu , Xue-Ying Duan , Guang-Jun Wan

General relativistic quantum interference effects in the slowly rotating NUT space-time as the Sagnac effect and the phase shift effect of interfering particle in neutron interferometer are considered. It was found that in the case of the…

General Relativity and Quantum Cosmology · Physics 2009-03-24 V. S. Morozova , B. J. Ahmedov

The phase perturbation arising from spin-rotation coupling is developed as a natural extension of the celebrated Sagnac effect. Experimental evidence in support of this phase shift, however, has yet to be realized due to the exceptional…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Bahram Mashhoon , Richard Neutze , Mark Hannam , Geoffrey E. Stedman

The Sagnac speed meter interferometer topology can potentially provide enhanced sensitivity to gravitational waves in the audio-band compared to equivalent Michelson interferometers. A challenge with the Sagnac speed meter interferometer…

Optical phase measurements play a key role in the detection of macroscopic parameters such as position, velocity, and displacement. They also permit to qualify the microscopic properties of photonic waveguides such as polarization mode…

Quantum Physics · Physics 2024-12-19 Romain Dalidet , Laurent Labonté , Gregory Sauder , Sébastien Tanzilli , Anthony Martin

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…

This study investigates the potential of the Sagnac Effect for detecting dark matter in the Solar System, particularly within the Sun. Originating from the relative delay and interference of light beams traveling in opposite directions on…

General Relativity and Quantum Cosmology · Physics 2024-12-03 A. D. S. Souza , C. R. Muniz , R. M. P. Neves , M. B. Cruz

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 phase shift due to the Sagnac Effect, for relativistic matter and electromagnetic beams, counter-propagating in a rotating interferometer, is deduced using two different approaches. From one hand, we show that the relativistic law of…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Guido Rizzi , Matteo Luca Ruggiero

We demonstrate matterwave interference in a warm vapor of rubidium atoms. Established approaches to light pulse atom interferometry rely on laser cooling to concentrate a large ensemble of atoms into a velocity class resonant with the atom…

Experiments were conducted to study light propagation in a light waveguide loop consisting of linearly and circularly moving segments. We found that any segment of the loop contributes to the total phase difference between two…

Optics · Physics 2007-05-23 Ruyong Wang , Yi Zheng , Aiping Yao

Dissipative optomechanics studies the coupling of the motion of an optical element to the decay rate of a cavity. We propose and theoretically explore a realization of this system in the optical domain, using a combined Michelson--Sagnac…

Optics · Physics 2011-11-17 André Xuereb , Roman Schnabel , Klemens Hammerer

Tune-out wavelengths measured with an atom interferometer are sensitive to laboratory rotation rates because of the Sagnac effect, vector polarizability, and dispersion compensation. We observed shifts in measured tune-out wavelengths as…

The phase shift a neutron interferometer caused by the gravitational field and the rotation of the earth is derived in a unified way from the standpoint of general relativity. General relativistic quantum interference effects in the slowly…

General Relativity and Quantum Cosmology · Physics 2010-03-02 A. I. Mamadjanov , A. A. Hakimov , S. R. Tojiev

Interferometer-based precision measurements have been intensively studied for sensing and metrology over the past half century. In classical optics, the resolution and phase sensitivity of an optical signal are confined by diffraction limit…

Quantum Physics · Physics 2025-03-18 Byoung S. Ham

A bulk-optics, polarization-independent phase shifter for photonic quantum information applications is demonstrated. A transverse mode electro-optic modulator using lithium niobate is placed in a Sagnac-like loop containing Faraday…

Quantum Physics · Physics 2011-04-05 Tien Tjuen Ng , Darwin Gosal , Antia Lamas-Linares , Christian Kurtsiefer

We report on a study of the long-term stability and absolute accuracy of an atom interferometer gyroscope. This study included the implementation of an electro-optical technique to reverse the vector area of the interferometer for reduced…

Quantum Physics · Physics 2009-11-11 D. S. Durfee , Y. K. Shaham , M. A. Kasevich

We discuss the concept of an all-optical and ionizing matter-wave interferometer in the time domain. The proposed setup aims at testing the wave nature of highly massive clusters and molecules, and it will enable new precision experiments…

Quantum Physics · Physics 2011-07-07 Stefan Nimmrichter , Philipp Haslinger , Klaus Hornberger , Markus Arndt