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Self-heterodyne fiber interferometers have been shown to be capable of stabilizing lasers to ultra-narrow linewidths and present an excellent alternative to high finesse cavities for frequency stabilization. In addition to suppressing…

Laser frequency noise is a dominant noise background for the detection of gravitational waves using long-baseline optical interferometry. Amelioration of this noise requires near simultaneous strain measurements on more than one…

Quantum Physics · Physics 2013-04-30 Peter W. Graham , Jason M. Hogan , Mark A. Kasevich , Surjeet Rajendran

Many years of development have gone into producing instruments that meet the required noise performance of the LISA interferometric detection system. Concurrently, software simulations have been used to extensively develop the data analysis…

General Relativity and Quantum Cosmology · Physics 2025-06-23 Reid Ferguson , Olaf Hartwig , Guido Mueller

Cancellation of laser frequency noise in interferometers is crucial for attaining the requisite sensitivity of the triangular 3-spacecraft LISA configuration. Raw laser noise is several orders of magnitude above the other noises and thus it…

General Relativity and Quantum Cosmology · Physics 2009-11-07 S. V. Dhurandhar , K. Rajesh Nayak , J-Y. Vinet

High-accuracy dimensional measurements by laser interferometers require corrections because of diffraction, which makes the effective fringe-period different from the wavelength of a plane (or spherical) wave $\lambda_0$. By using a…

Optics · Physics 2016-04-20 Carlo Paolo Sasso , Enrico Massa , Giovanni Mana

In this paper we quantify the ability of the Laser Interferometer Space Antenna (LISA) to test the presence of non-tensorial polarizations as well as modifications to the tensor ones in gravitational waves emitted from massive black hole…

Quantum noise limits the sensitivity of precision measurement devices, such as laser interferometer gravitational-wave observatories and axion detectors. In the shot-noise-limited regime, these resonant detectors are subject to a trade-off…

Quantum Physics · Physics 2021-06-16 Xiang Li , Jiri Smetana , Amit Singh Ubhi , Joe Bentley , Yanbei Chen , Yiqiu Ma , Haixing Miao , Denis Martynov

Laser interferometer detectors are now widely used in an attempt to detect gravitational waves (gw). The interaction of the gw with the light circulating in the interferometer is usually explained in terms of the motion of the "free"…

General Relativity and Quantum Cosmology · Physics 2015-05-18 Adrian Melissinos , Ashok Das

An analysis is given of thermoelastic noise (thermal noise due to thermoelastic dissipation) in finite sized test masses of laser interferometer gravitational-wave detectors. Finite-size effects increase the thermoelastic noise by a modest…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Yuk Tung Liu , Kip S. Thorne

Recent advances in quantum sensing -- optical clocks at $5.5\times 10^{-19}$ systematic uncertainty, frequency-dependent squeezing below the standard quantum limit, quantum magnetometers approaching fundamental sensitivity limits -- raise a…

General Relativity and Quantum Cosmology · Physics 2026-03-10 Sergio Gaudio

In this work, we systematically investigate the capability of space-based gravitational wave detectors in constraining parameters of non-tensor polarization modes. Using Bayesian inference and Fisher Information Matrix methods, we analyze…

General Relativity and Quantum Cosmology · Physics 2025-06-04 Jun-Shuai Wang , Chang Liu , Ju Chen , Jibo He

The sensitivity of next-generation gravitational-wave detectors such as Advanced LIGO and LCGT should be limited mostly by quantum noise with an expected technical progress to reduce seismic noise and thermal noise. Those detectors will…

General Relativity and Quantum Cosmology · Physics 2014-11-17 K. Somiya , Y. Chen , S. Kawamura , N. Mio

A standard quarter-wavelength multilayer optical coating will produce the highest reflectivity for a given number of coating layers, but in general it will not yield the lowest thermal noise for a prescribed reflectivity. Coatings with the…

The existing high technology laser-beam detectors of gravitational waves may find very useful applications in an unexpected area - geophysics. To make possible the detection of weak gravitational waves in the region of high frequencies of…

General Relativity and Quantum Cosmology · Physics 2014-11-17 L. P. Grishchuk , V. V. Kulagin , V. N. Rudenko , A. Serdobolski

In this paper we demonstrate that a double Michelson interferometer with Fabry-Perot cavities in its arms is able to perform laser- and displacement-noise-free gravitational-wave (GW) detection if certain model assumptions are met. Assuming…

General Relativity and Quantum Cosmology · Physics 2009-04-22 Sergey P. Tarabrin , Sergey P. Vyatchanin

TDI is essential in space-based GW detectors, effectively reducing laser noise and improving detection precision. Space-based GW detectors provide a unique opportunity to probe GW polarizations, including possible additional modes that may…

General Relativity and Quantum Cosmology · Physics 2026-03-31 Jie Wu , Mengfei Sun , Jin Li

Radio interferometric observations are less susceptible to radio frequency interference (RFI) than single dish observations. This is primarily due to : (1)fringe-frequency averaging at the correlator output and (2) bandwidth decorrelation…

Astrophysics · Physics 2007-05-23 D. Anish Roshi , R. A. Perley

Pulsar Timing Arrays use a set of millisecond pulsars in an attempt to directly detect nanohertz gravitational waves. For this purpose, high precision timing of the pulsars is essential and ultimately a precision of the order of ~100 ns is…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 Lina Levin

Gravitational wave detectors like the Einstein Telescope and LISA generate long multivariate time series, which pose significant challenges in spectral density estimation due to a number of overlapping signals as well as the presence of…

General Relativity and Quantum Cosmology · Physics 2024-09-23 Jianan Liu , Avi Vajpeyi , Renate Meyer , Kamiel Janssens , Jeung Eun Lee , Patricio Maturana-Russel , Nelson Christensen , Yixuan Liu

We present detailed numerical simulations of a laser phase stabilization scheme for LISA, where both lasers emitting along one arm are locked to each other. Including the standard secondary noises and spacecraft motions that approximately…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Julien Sylvestre