A. Buikema
YOU?
Author Swipe
View article: Microwave Phase Mapping and Angle-of-Arrival Detection Using Rydberg Atom-Based Electrometry
Microwave Phase Mapping and Angle-of-Arrival Detection Using Rydberg Atom-Based Electrometry Open
We present a method for simultaneously measuring the phase fronts of three or more RF fields using thermal Rydberg atoms. We demonstrate this method using an all-dielectric atomic electrometer acting in a heterodyne configuration to detect…
View article: Rydberg Raman-Ramsey (R${}^3$) resonances in atomic vapor
Rydberg Raman-Ramsey (R${}^3$) resonances in atomic vapor Open
The sensitivity of electric field sensors based on two-photon electromagnetically induced transparency (EIT) involving highly excited Rydberg states in thermal atoms is often limited by the residual Doppler effect and optical power broaden…
View article: LIGO detector characterization in the second and third observing runs
LIGO detector characterization in the second and third observing runs Open
\n The characterization of the Advanced LIGO detectors in the second and third observing runs has increased the sensitivity of the instruments, allowing for a higher number of detectable gravitational-wave signals, and provided confirmatio…
View article: Environmental noise in advanced LIGO detectors
Environmental noise in advanced LIGO detectors Open
The sensitivity of the Advanced LIGO detectors to gravitational waves can be
\naffected by environmental disturbances external to the detectors themselves.
\nSince the transition from the former initial LIGO phase, many improvements have
\…
View article: LIGO’s quantum response to squeezed states
LIGO’s quantum response to squeezed states Open
Gravitational wave interferometers achieve their profound sensitivity by combining a Michelson interferometer with optical cavities, suspended masses, and now, squeezed quantum states of light. These states modify the measurement process o…
View article: Point absorbers in Advanced LIGO
Point absorbers in Advanced LIGO Open
Small, highly absorbing points are randomly present on the surfaces of the main interferometer optics in Advanced LIGO. The resulting nanometer scale thermo-elastic deformations and substrate lenses from these micron-scale absorbers signif…
View article: Reducing scattered light in LIGO’s third observing run
Reducing scattered light in LIGO’s third observing run Open
Noise due to scattered light has been a frequent disturbance in the advanced LIGO gravitational wave detectors, hindering the detection of gravitational waves. The non stationary scatter noise caused by low frequency motion can be recogniz…
View article: Point Absorber Limits to Future Gravitational-Wave Detectors
Point Absorber Limits to Future Gravitational-Wave Detectors Open
High-quality optical resonant cavities require low optical loss, typically on the scale of parts per million. However, unintended micron-scale contaminants on the resonator mirrors that absorb the light circulating in the cavity can deform…
View article: Sensitivity and performance of the Advanced LIGO detectors in the third observing run
Sensitivity and performance of the Advanced LIGO detectors in the third observing run Open
On April 1st, 2019, the Advanced Laser Interferometer Gravitational-Wave Observatory (aLIGO), joined by the Advanced Virgo detector, began the third observing run, a year-long dedicated search for gravitational radiation. The LIGO detector…
View article: Quantum correlations between light and the kilogram-mass mirrors of LIGO
Quantum correlations between light and the kilogram-mass mirrors of LIGO Open
© 2020, The Author(s), under exclusive licence to Springer Nature Limited. The measurement of minuscule forces and displacements with ever greater precision is inhibited by the Heisenberg uncertainty principle, which imposes a limit to the…
View article: High-power operation of interferometric gravitational-wave detectors
High-power operation of interferometric gravitational-wave detectors Open
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
View article: Quantum-Enhanced Advanced LIGO Detectors in the Era of Gravitational-Wave Astronomy
Quantum-Enhanced Advanced LIGO Detectors in the Era of Gravitational-Wave Astronomy Open
The Laser Interferometer Gravitational Wave Observatory (LIGO) has been directly detecting gravitational waves from compact binary mergers since 2015. We report on the first use of squeezed vacuum states in the direct measurement of gravit…
View article: Sub-hertz optomechanically induced transparency with a kilogram-scale mechanical oscillator
Sub-hertz optomechanically induced transparency with a kilogram-scale mechanical oscillator Open
Optical interferometers with suspended mirrors are the archetype of all current audio-frequency gravitational-wave detectors. The radiation pressure interaction between the motion of the mirrors and the circulating optical field in such in…
View article: The US Program in Ground-Based Gravitational Wave Science: Contribution from the LIGO Laboratory
The US Program in Ground-Based Gravitational Wave Science: Contribution from the LIGO Laboratory Open
Recent gravitational-wave observations from the LIGO and Virgo observatories have brought a sense of great excitement to scientists and citizens the world over. Since September 2015,10 binary black hole coalescences and one binary neutron …
View article: Properties of the Binary Neutron Star Merger GW170817
Properties of the Binary Neutron Star Merger GW170817 Open
On August 17, 2017, the Advanced LIGO and Advanced Virgo gravitational-wave detectors observed a low-mass compact binary inspiral. The initial sky localization of the source of the gravitational-wave signal, GW170817, allowed electromagnet…
View article: Calibration of the Advanced LIGO detectors for the discovery of the binary black-hole merger GW150914
Calibration of the Advanced LIGO detectors for the discovery of the binary black-hole merger GW150914 Open
In Advanced LIGO, detection and astrophysical source parameter estimation of the binary black hole merger GW150914 requires a calibrated estimate of the gravitational-wave strain sensed by the detectors. Producing an estimate from each det…
View article: Exploring the sensitivity of next generation gravitational wavedetectors
Exploring the sensitivity of next generation gravitational wavedetectors Open
The second-generation of gravitational-wave detectors are just starting operation, and have already yielding their first detections. Research is now concentrated on how to maximize the scientific potential of gravitational-wave astronomy. …
View article: Calibration of the Advanced LIGO detectors for the discovery of the binary black-hole merger GW150914
Calibration of the Advanced LIGO detectors for the discovery of the binary black-hole merger GW150914 Open
In Advanced LIGO, detection and astrophysical source parameter estimation of the binary black hole merger GW150914 requires a calibrated estimate of the gravitational-wave strain sensed by the detectors. Producing an estimate from each det…
View article: The basic physics of the binary black hole merger GW150914
The basic physics of the binary black hole merger GW150914 Open
The first direct gravitational-wave detection was made by the Advanced Laser Interferometer Gravitational Wave Observatory on September 14, 2015. The GW150914 signal was strong enough to be apparent, without using any waveform model, in th…
View article: Localization and broadband follow-up of the gravitational-wave transient GW150914
Localization and broadband follow-up of the gravitational-wave transient GW150914 Open
A gravitational-wave (GW) transient was identified in data recorded by the Advanced Laser Interferometer Gravitational-wave Observatory (LIGO) detectors on 2015 September 14. The event, initially designated G184098 and later given the name…
View article: Advanced LIGO
Advanced LIGO Open
The Advanced LIGO gravitational wave detectors are second-generation instruments designed and built for the two LIGO observatories in Hanford, WA and Livingston, LA, USA. The two instruments are identical in design, and are specialized ver…