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Related papers: Arm-Locking with the GRACE Follow-On Laser Ranging…

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We perform high-resolution real-time read-out of the motion of a single trapped and laser-cooled Ba ion. By using an interferometric setup we demonstrate shot-noise limited measurement of thermal oscillations with resolution of 4 times the…

Quantum Physics · Physics 2013-04-17 P. Bushev , G. Hetet , L. Slodicka , D. Rotter , M. A. Wilson , F. Schmidt-Kaler , J. Eschner , R. Blatt

AMIGO is a first-generation Astrodynamical Middle-frequency Interferometric GW Observatory. The scientific goals of AMIGO are: to bridge the spectra gap between first-generation high-frequency and low-frequency GW sensitivities; to detect…

General Relativity and Quantum Cosmology · Physics 2020-07-14 Wei-Tou Ni , Gang Wang , An-Ming Wu

A crucial step towards enabling real-world applications for quantum sensing devices such as Rydberg atom electric field sensors is reducing their size, weight, power, and cost (SWaP-C) requirements without significantly reducing…

Long baseline laser interferometers used for gravitational wave detection have proven to be very complicated to control. In order to have sufficient sensitivity to astrophysical gravitational waves, a set of multiple coupled optical…

The unprecedented sensitivity of the Laser Interferometer Gravitational-Wave Observatory, which enables the detection of distant astrophysical sources, also renders the detectors highly susceptible to low-frequency ground motion. Persistent…

Space-based interferometric gravitational wave instruments such as the ESA/NASA Laser Interferometer Space Antenna (LISA) observe gravitational waves by measuring changes in the light travel time between widely-separated spacecraft. One…

Instrumentation and Methods for Astrophysics · Physics 2021-09-08 Oliver Jennrich , Nora Lutzgendorf , James Ira Thorpe , Jacob Slutsky , Curt Cutler

In the detection of gravitational waves in space, the arm lengths between spacecraft are not equal due to their orbital motion. Consequently, the equal arm length Michelson interferometer used in Earth laboratories is not suitable for…

General Relativity and Quantum Cosmology · Physics 2024-06-21 Gang Wang

Space-based gravitational-wave detectors, such as LISA, record interferometric measurements on widely separated satellites. Their clocks are not synced actively. Instead, clock synchronization is performed in on-ground data processing. It…

General Relativity and Quantum Cosmology · Physics 2025-04-16 Jan Niklas Reinhardt , Olaf Hartwig , Gerhard Heinzel

Intentional and unintentional interferences collectively referred to as Radio Frequency Interference (RFI) result in severe security threat to the public safety, first responder emergency rescue and military missions. Such RFI if not…

Signal Processing · Electrical Eng. & Systems 2020-10-05 Anu Jagannath , Jithin Jagannath

We present a novel laser mode-locking scheme and discuss its unusual properties and feasibility using a theoretical model. A large set of single-frequency continuous-wave lasers oscillate by amplification in spatially separated gain media.…

In this paper, we show that an atom interferometer inertial sensor, when associated to the auxiliary measurement of external vibrations, can be operated beyond its linear range and still keep a high acceleration sensitivity. We propose and…

The Laser Interferometer Space Antenna (LISA) is a European Space Agency mission that aims to measure gravitational waves in the millihertz range. Laser frequency noise enters the interferometric measurements and dominates the expected…

Instrumentation and Methods for Astrophysics · Physics 2020-05-22 Jean-Baptiste Bayle , Marc Lilley , Antoine Petiteau , Hubert Halloin

The LIGO experiment aims to detect and study gravitational waves using ground based laser interferometry. A critical factor to the performance of the interferometers, and a major consideration in the design of possible future upgrades, is…

General Relativity and Quantum Cosmology · Physics 2009-11-10 E. J. Daw , J. A. Giaime , D. Lormand , M. Lubinski , J. Zweizig

We study the use of atom interferometers as detectors for gravitational waves in the mHz - Hz frequency band, which is complementary to planned optical interferometers, such as laser interferometer gravitational wave observatories (LIGOs)…

General Relativity and Quantum Cosmology · Physics 2011-06-02 Michael Hohensee , Shau-Yu Lan , Rachel Houtz , Cheong Chan , Brian Estey , Geena Kim , Pei-Chen Kuan , Holger Mueller

Several km-scale gravitational-wave detectors have been constructed world wide. These instruments combine a number of advanced technologies to push the limits of precision length measurement. The core devices are laser interferometers of a…

General Relativity and Quantum Cosmology · Physics 2015-12-16 Charlotte Bond , Daniel Brown , Andreas Freise , Kenneth Strain

The Laser Interferometer Space Antenna will detect gravitational waves with frequencies from 0.1 mHz to 1 Hz. This article provides a brief overview of LISA's science goals followed by a tutorial of the LISA measurement concept.

General Relativity and Quantum Cosmology · Physics 2010-03-25 Daniel A. Shaddock

We describe a novel method of single-shot trap frequency measurement for a confined Bose-Einstein Condensate, which uses an atom laser to repeatedly sample the mean velocity of trap oscillations as a function of time. The method is able to…

Quantum Gases · Physics 2022-04-12 B. M. Henson , K. F. Thomas , Z. Mehdi , T. G. Burnett , J. A. Ross , S. S. Hodgman , A. G. Truscott

It has been suggested that space-time might undergo fluctuations because of its intrinsic quantum nature. These fluctuations would pose a fundamental limit to the ability of measuring distances with arbitrary precision, beyond any…

General Relativity and Quantum Cosmology · Physics 2009-11-10 S. Schiller , C. Laemmerzahl , H. Mueller , C. Braxmaier , S. Herrmann , A. Peters

We demonstrate Ramsey-Bord\'e (RB) atom interferometry for high performance laser stabilization with fractional frequency instability $<2 \times 10^{-16}$ for timescales between 10 and 1000s. The RB spectroscopy laser interrogates two…