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Related papers: Plasma noise in TianQin time delay interferometry

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Raw space-based gravitational-wave data like LISA's phase measurements are dominated by laser frequency noise. The standard technique to make this data usable for science is time-delay interferometry (TDI), which cancels laser noise terms…

General Relativity and Quantum Cosmology · Physics 2023-04-12 Quentin Baghi , John G. Baker , Jacob Slutsky , James Ira Thorpe

Time-delay interferometry (TDI) is a processing step essential for the scientific exploitation of LISA, as it reduces the otherwise overwhelming laser noise in the interferometric measurements. The fundamental idea is to define new…

General Relativity and Quantum Cosmology · Physics 2021-06-09 Jean-Baptiste Bayle , Michele Vallisneri , Stanislav Babak , Antoine Petiteau

With the purpose of understanding how time delay interferometry (TDI) combinations can best be used for the characterisation of LISA instrumental noise, we revisit their laser frequency noise cancellation properties. We have developed an…

Instrumentation and Methods for Astrophysics · Physics 2020-06-17 Martina Muratore , Daniele Vetrugno , Stefano Vitale

The Laser Interferometer Space Antenna (LISA) is a European Space Agency mission that aims to measure gravitational waves in the millihertz range. The three-spacecraft constellation forms a nearly-equilateral triangle, which experiences…

Instrumentation and Methods for Astrophysics · Physics 2021-07-07 Olaf Hartwig , Jean-Baptiste Bayle

The Laser Interferometer Space Antenna (LISA), an ESA L-class mission, is designed to detect gravitational waves in the millihertz frequency band, with operations expected to begin in the next decade. LISA will enable studies of…

Instrumentation and Methods for Astrophysics · Physics 2024-12-31 Niklas Houba , Jean-Baptiste Bayle , Michele Vallisneri

Time-delay interferometry (TDI) is a data processing technique for space-based gravitational-wave detectors to create laser-noise-free equal-optical-path-length interferometers virtually on the ground. It relies on the interspacecraft…

General Relativity and Quantum Cosmology · Physics 2024-10-14 Jan Niklas Reinhardt , Philipp Euringer , Olaf Hartwig , Gerald Hechenblaikner , Gerhard Heinzel , Kohei Yamamoto

The time delay interferometry (TDI) is an algorithm proposed to suppress the laser frequency noise in space-borne gravitational wave detectors. As a post-processing technique, it is implemented by constructing a virtual equal arm…

General Relativity and Quantum Cosmology · Physics 2022-07-20 Pan-Pan Wang , Wei-Liang Qian , Yu-Jie Tan , Han-Zhong Wu , Cheng-Gang Shao

Time-Delay Interferometry (TDI) is essential for space-based gravitational wave (GW) missions, as it suppresses laser frequency noise and achieve the required sensitivity. Beyond the standard Michelson configuration, a variety of…

General Relativity and Quantum Cosmology · Physics 2025-08-05 Gang Wang

For the LISA and Taiji missions, both transient and continuous data anomalies would pose significant challenges to the detection, estimation, and subsequent scientific interpretation of gravitational wave signals. As is indicated by the…

General Relativity and Quantum Cosmology · Physics 2024-11-12 Pengzhan Wu , Minghui Du , Peng Xu

Time delay interferometry (TDI) is essential for suppressing laser frequency noise and achieving the targeted sensitivity for space-borne gravitational wave (GW) missions. In Paper I, we examined the performance of the fiducial…

General Relativity and Quantum Cosmology · Physics 2024-10-01 Gang Wang

TianQin is a proposed space-based mission for gravitational wave detection, employing a constellation of three drag-free satellites in high Earth orbits to form a laser interferometric observatory. A critical technical challenge is…

General Relativity and Quantum Cosmology · Physics 2025-10-21 Yuzhou Fang , Dexuan Zhang , Dezhi Wang , Xuefeng Zhang , Huizong Duan , Hongyin Li , Junxiang Lian , Guoying Zhao

Time-Delay Interferometry (TDI) is the data processing technique that cancels the large laser phase fluctuations affecting the one-way Doppler measurements made by unequal-arm space-based gravitational wave interferometers. By taking finite…

General Relativity and Quantum Cosmology · Physics 2021-08-25 Massimo Tinto , Sanjeev Dhurandhar , Prasanna Joshi

Clock noise is one of the dominant noises in the space-borne gravitational wave (GW) detection. To suppress this noise, the clock noise-calibrated time-delay-interferometry (TDI) technique is proposed. In this technique, an inter-spacecraft…

Instrumentation and Methods for Astrophysics · Physics 2023-10-31 Mingyang Xu , Yujie Tan , Hanzhong Wu , Panpan Wang , Hao Yan , Yurong Liang , Chenggang Shao

Time-delay interferometry (TDI) is essential for suppressing laser frequency noise in space-based gravitational wave (GW) observatories such as LISA. However, current second-generation TDI schemes often exhibit undesirable null frequencies…

General Relativity and Quantum Cosmology · Physics 2026-01-19 Gang Wang

Forthcoming space-based gravitational-wave (GW) detectors will employ second-generation time-delay interferometry (TDI) to suppress laser frequency noise and achieve the sensitivity required for GW detection. We introduce an inverse…

General Relativity and Quantum Cosmology · Physics 2025-11-04 Chunyu Zhang

TianQin (TQ) project plans to deploy three satellites in space around the Earth to measure the displacement change of test masses caused by gravitational waves via laser interferometry. The requirement of the acceleration noise of the test…

Instrumentation and Methods for Astrophysics · Physics 2023-12-01 Wei Su , Ze-Bing Zhou , Yan Wang , Chen Zhou , P. F. Chen , Wei Hong , J. H. Peng , Yun Yang , Y. W. Ni

The success of LISA Pathfinder in demonstrating the LISA drag-free requirement paved the road of using space missions for detecting low-frequency and middle-frequency GWs. The new LISA GW mission proposes to use arm length of 2.5 Gm (1 Gm =…

Instrumentation and Methods for Astrophysics · Physics 2020-06-26 Gang Wang , Wei-Tou Ni

We report on three numerical experiments on the implementation of Time-Delay Interferometry (TDI) for LISA, performed with Synthetic LISA, a C++/Python package that we developed to simulate the LISA science process at the level of…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Michele Vallisneri

Time-delay interferometry (TDI) is a crucial step in the on-ground data processing pipeline of the Laser Interferometer Space Antenna (LISA), as it reduces otherwise overwhelming laser noise and allows for the detection of gravitational…

Instrumentation and Methods for Astrophysics · Physics 2023-06-22 Martin Staab , Marc Lilley , Jean-Baptiste Bayle , Olaf Hartwig

The Laser Interferometer Space Antenna (LISA) is a gravitational wave detector in space. It relies on a post-processing technique named time-delay interferometry (TDI) to suppress the overwhelming laser frequency noise by several orders of…