Search Results - "Affeldt, Christoph"

Direct limits for scalar field dark matter from a gravitational-wave detector by Vermeulen, Sander M., Relton, Philip, Grote, Hartmut, Raymond, Vivien, Affeldt, Christoph, Bergamin, Fabio, Bisht, Aparna, Brinkmann, Marc, Danzmann, Karsten, Doravari, Suresh, Kringel, Volker, Lough, James, Lück, Harald, Mehmet, Moritz, Mukund, Nikhil, Nadji, Séverin, Schreiber, Emil, Sorazu, Borja, Strain, Kenneth A., Vahlbruch, Henning, Weinert, Michael, Willke, Benno, Wittel, Holger

“…The nature of dark matter remains unknown to date, although several candidate particles are being considered in a dynamically changing research landscape 1 …”
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First Demonstration of 6 dB Quantum Noise Reduction in a Kilometer Scale Gravitational Wave Observatory by Lough, James, Schreiber, Emil, Bergamin, Fabio, Grote, Hartmut, Mehmet, Moritz, Vahlbruch, Henning, Affeldt, Christoph, Brinkmann, Marc, Bisht, Aparna, Kringel, Volker, Lück, Harald, Mukund, Nikhil, Nadji, Severin, Sorazu, Borja, Strain, Kenneth, Weinert, Michael, Danzmann, Karsten

“…Photon shot noise, arising from the quantum-mechanical nature of the light, currently limits the sensitivity of all the gravitational wave observatories at…”
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Characterization and evasion of backscattered light in the squeezed-light enhanced gravitational wave interferometer GEO 600 by Bergamin, Fabio, Lough, James, Schreiber, Emil, Grote, Hartmut, Mehmet, Moritz, Vahlbruch, Henning, Affeldt, Christoph, Andric, Tomislav, Bisht, Aparna, Brinkmann, Marc, Kringel, Volker, Lück, Harald, Mukund, Nikhil, Nadji, Severin, Sorazu, Borja, Strain, Kenneth, Weinert, Michael, Danzmann, Karsten

“…Squeezed light is injected into the dark port of gravitational wave interferometers, in order to reduce the quantum noise. A fraction of the interferometer…”
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High power and ultra-low-noise photodetector for squeezed-light enhanced gravitational wave detectors by Grote, Hartmut, Weinert, Michael, Adhikari, Rana X, Affeldt, Christoph, Kringel, Volker, Leong, Jonathan, Lough, James, Lück, Harald, Schreiber, Emil, Strain, Kenneth A, Vahlbruch, Henning, Wittel, Holger

“…Current laser-interferometric gravitational wave detectors employ a self-homodyne readout scheme where a comparatively large light power (5-50 mW) is detected…”
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GW170817: Implications for the stochastic gravitationnal-wave background from compact binary coalescences by Abbott, Benjamin P., Abbott, Rich, Abbott, Thomas D., Acernese, Fausto, Ackley, Kendall, Adams, Carl, Adams, Thomas, Addesso, Paolo, Adhikari, Rana X., Adya, Vaishali B., Affeldt, Christoph, Afrough, Mohammad, Agarwal, Bhanu, Agathos, Michalis, Agatsuma, Kazuhiro, Aggarwal, Nancy, Aguiar, Odylio D., Aiello, Lorenzo, Ain, Anirban, Ajith, P., Allen, Bruce, Allen, Gabrielle, Allocca, Annalisa, Altin, Paul A., Amato, Alex, Ananyeva, Alena, Anderson, Stuart B., Anderson, Warren G., Angelova, Svetoslava V., Antier, Sarah, Appert, Stephen, Arai, Koji, Araya, Melody C., Areeda, Joseph S., Arnaud, Nicolas, Arun, Kg G., Ascenzi, Stefano, Ashton, Gregory, Ast, M., Aston, Stuart M., Astone, Pia, Atallah, Dany V., Aufmuth, Peter, Aulbert, Carsten, Aultoneal, K., Austin, Corey, Avila-Alvarez, A., Babak, Stanislav, Bacon, Philippe, Bader, Maria K.M., Bae, Sangwook, Baker, Paul T., Baldaccini, Francesca, Ballardin, Giulio, Ballmer, Stefan W., Banagiri, Sharan, Barayoga, Juan C., Barclay, Sheena E., Barish, Barry C., Barker, David, Barkett, Kevin, Barone, Fabrizio, Barr, Bryan, Barsotti, Lisa, Barsuglia, Matteo, Barta, Daniel, Bartlett, Jeffrey, Bartos, Imre, Bassiri, Riccardo, Basti, Andrea, Batch, James C., Bawaj, Mateusz, Bayley, Joseph C., Bazzan, Marco, Bécsy, Bence, Beer, Christian, Bejger, Michal, Belahcene, Imene, Bell, Angus S., Berger, Beverly K., Bergmann, Gerald, Bero, John J., Berry, Christopher P.L., Bersanetti, Diego, Bertolini, Alessandro, Betzwieser, Joseph, Bhagwat, Swetha, Bhandare, Rohan, Bilenko, Igor A., Billingsley, Garilynn, Billman, Chris R., Birch, Jeremy, Birney, Ross, Birnholtz, Ofek, Biscans, Sebastien, Biscoveanu, Sylvia, Bisht, Aparna, Bitossi, Massimiliano, Biwer, Christopher, Bizouard, Marieanne A.

“…The LIGO Scientific and Virgo Collaborations have announced the event GW170817, the first detection of gravitational waves from the coalescence of two neutron…”
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GEO600 beam splitter thermal compensation system: new design and commissioning by Nadji, Séverin, Wittel, Holger, Mukund, Nikhil, Lough, James, Affeldt, Christoph, Bergamin, Fabio, Brinkmann, Marc, Kringel, Volker, Lück, Harald, Weinert, Michael, Danzmann, Karsten

“…Gravitational waves have revolutionised the field of astronomy by providing scientists with a new way to observe the universe and gain a better understanding…”
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First demonstration of neural sensing and control in a kilometer-scale gravitational wave observatory by Mukund, Nikhil, Lough, James, Bisht, Aparna, Wittel, Holger, Nadji, Séverin Landry, Affeldt, Christoph, Bergamin, Fabio, Brinkmann, Marc, Kringel, Volker, Lück, Harald, Weinert, Michael, Danzmann, Karsten

“…Suspended optics in gravitational wave (GW) observatories are susceptible to alignment perturbations, particularly slow drifts over time, due to variations in…”
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Characterization and evasion of backscattered light in the squeezed-light enhanced gravitational wave interferometer GEO 600 by Bergamin, Fabio, Lough, James, Schreiber, Emil, Grote, Hartmut, Mehmet, Moritz, Vahlbruch, Henning, Affeldt, Christoph, Andric, Tomislav, Bisht, Aparna, Bringmann, Marc, Kringel, Volker, Lück, Harald, Mukund, Nikhil, Nadji, Severin, Sorazu, Borja, Strain, Kenneth, Weinert, Michael, Danzmann, Karsten

“…Squeezed light is injected into the dark port of gravitational wave interferometers, in order to reduce the quantum noise. A fraction of the interferometer…”
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Bilinear noise subtraction at the GEO 600 observatory by Mukund, Nikhil, Lough, James, Affeldt, Christoph, Bergamin, Fabio, Bisht, Aparna, Brinkmann, Marc, Kringel, Volker, Lück, Harald, Nadji, Séverin Landry, Weinert, Michael, Danzmann, Karsten

“…Phys. Rev. D 101, 102006 (2020) Longitudinal control signals used to keep gravitational wave detectors at a stable operating point are often affected by…”
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Direct limits for scalar field dark matter from a gravitational-wave detector by Vermeulen, Sander M, Relton, Philip, Grote, Hartmut, Raymond, Vivien, Affeldt, Christoph, Bergamin, Fabio, Bisht, Aparna, Brinkmann, Marc, Danzmann, Karsten, Doravari, Suresh, Kringel, Volker, Lough, James, Lück, Harald, Mehmet, Moritz, Mukund, Nikhil, Nadji, Séverin, Schreiber, Emil, Sorazu, Borja, Strain, Kenneth A, Vahlbruch, Henning, Weinert, Michael, Willke, Benno, Wittel, Holger

“…The nature of dark matter remains unknown to date; several candidate particles are being considered in a dynamically changing research landscape. Scalar field…”
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First demonstration of 6 dB quantum noise reduction in a kilometer scale gravitational wave observatory by Lough, James, Schreiber, Emil, Bergamin, Fabio, Grote, Hartmut, Mehmet, Moritz, Vahlbruch, Henning, Affeldt, Christoph, Brinkmann, Marc, Bisht, Aparna, Kringel, Volker, Lück, Harald, Mukund, Nikhil, Nadji, Séverin, Sorazu, Borja, Strain, Kenneth, Weinert, Michael, Danzmann, Karsten

“…Phys. Rev. Lett. 126, 041102 (2021) Photon shot noise, arising from the quantum-mechanical nature of the light, currently limits the sensitivity of all the…”
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Matrix Heater in the Gravitational Wave Observatory GEO 600 by Wittel, Holger, Affeldt, Christoph, Bisht, Aparna, Doravari, Suresh, Grote, Hartmut, Lough, James, Lück, Harald, Schreiber, Emil, Strain, Kenneth A, Danzmann, Karsten

“…Large scale laser interferometric gravitational wave detectors (GWDs), such as GEO 600 require high quality optics to reach their design sensitivity. The…”
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Phase Control of Squeezed Vacuum States of Light in Gravitational Wave Detectors by Dooley, Katherine L, Schreiber, Emil, Vahlbruch, Henning, Affeldt, Christoph, Leong, Jonathan R, Wittel, Holger, Grote, Hartmut

“…Quantum noise will be the dominant noise source for the advanced laser interferometric gravitational wave detectors currently under construction…”
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Alignment sensing and control for squeezed vacuum states of light by Schreiber, Emil, Dooley, Kathrine L, Vahlbruch, Henning, Affeldt, Christoph, Bisht, Aparna, Leong, Jonathan R, Lough, James, Prijatelj, Mirko, Slutsky, Jacob, Was, Michal, Wittel, Holger, Danzmann, Karsten, Grote, Hartmut

“…Beam alignment is an important practical aspect of the application of squeezed states of light. Misalignments in the detection of squeezed light result in a…”
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Thermal Correction of Astigmatism in the Gravitational Wave Observatory GEO 600 by Wittel, Holger, Lück, Harald, Affeldt, Christoph, Dooley, Katherine L, Grote, Hartmut, Leong, Jonathan R, Prijatelj, Mirko, Schreiber, Emil, Slutsky, Jacob, Strain, Kenneth A, Was, Michal, Willke, Benno, Danzmann, Karsten

“…The output port of GEO 600 is dominated by unwanted high order modes (HOMs). The current thermal actuation system, a ring heater behind one of the folding…”
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