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arXiv 2023年

作者： Makino, Yuya Abbasi, R. Ackermann, M. Adams, J. Agarwalla, S.K. Aguilar, J.A. Ahlers, M. Alameddine, J.M. Amin, N.M. Andeen, K. Anton, G. Argüelles, C. Ashida, Y. Athanasiadou, S. Audehm, J. Axani, S.N. Bai, X. Balagopal, A.v. Baricevic, M. Barwick, S.W. Basu, v. Bay, R. Becker Tjus, J. Beise, J. Bellenghi, C. Benning, C. BenZvi, S. Berley, D. Bernardini, E. Besson, D.Z. Bishop, A. Blaufuss, E. Blot, S. Bohmer, M. Bontempo, F. Book, J.Y. Borowka, J. Boscolo Meneguolo, C. Böser, S. Botner, O. Böttcher, J. Bouma, S. Bourbeau, E. Braun, J. Brinson, B. Brostean-Kaiser, J. Burley, R.T. Busse, R.S. Butterfield, D. Campana, M.A. Carloni, K. Carnie-Bronca, E.G. Cataldo, M. Chattopadhyay, S. Chau, N. Chen, C. Chen, Z. Chirkin, D. Choi, S. Clark, B.A. Clark, R. Classen, L. Coleman, A. Collin, G.H. Conrad, J.M. Cowen, D.F. Dasgupta, B. Dave, P. Deaconu, C. De Clercq, C. De Kockere, S. DeLaunay, J.J. Delgado, D. Deng, S. Deoskar, K. Desai, A. Desiati, P. de vries, K.D. de Wasseige, G. DeYoung, T. Diaz, A. Díaz-vélez, J.C. Dittmer, M. Domi, A. Dujmovic, H. Duvernois, M.A. Ehrhardt, T. Eller, P. Ellinger, E. El Mentawi, S. Elsässer, D. Engel, R. Erpenbeck, H. Evans, J. Evans, J.J. Evenson, P.A. Fan, K.L. Fang, K. Farrag, K. Farrag, K. Fazely, A.R. Fedynitch, A. Feigl, N. Fiedlschuster, S. Finley, C. Fischer, L. Flaggs, B. Fox, D. Franckowiak, A. Fritz, A. Fujii, T. Fürst, P. Gallagher, J. Ganster, E. Garcia, A. Gerhardt, L. Gernhaeuser, R. Ghadimi, A. Giri, P. Glaser, C. Glauch, T. Glüsenkamp, T. Goehlke, N. Goswami, S. Grant, D. Gray, S.J. Gries, O. Griffin, S. Griswold, S. Guevel, D. Günther, C. Gutjahr, P. Haack, C. Haji Azim, T. Hallgren, A. Halliday, R. Hallmann, S. Halve, L. Halzen, F. Hamdaoui, H. Ha Minh, M. Hanson, K. Hardin, J. Harnisch, A.A. Hatch, P. Haugen, J. Haungs, A. Heinen, D. Helbing, K. Hellrung, J. Hendricks, B. Henningsen, F. Henrichs, J. Heuermann, L. Heyer, N. Hickford, S. Hidvegi, A. Dept. of Physics Wisconsin IceCube Particle Astrophysics Center University of Wisconsin-Madison MadisonWI53706 United States III. Physikalisches Institut RWTH Aachen University AachenD-52056 Germany Department of Physics University of Adelaide Adelaide5005 Australia Dept. of Physics and Astronomy University of Alaska Anchorage 3211 Providence Dr. AnchorageAK99508 United States Dept. of Physics University of Texas at Arlington Science Hall 502 Yates St. Rm 108 Box 19059 ArlingtonTX76019 United States CTSPS Clark-Atlanta University AtlantaGA30314 United States School of Physics Center for Relativistic Astrophysics Georgia Institute of Technology AtlantaGA30332 United States Dept. of Physics Southern University Baton RougeLA70813 United States Dept. of Physics University of California BerkeleyCA94720 United States Lawrence Berkeley National Laboratory BerkeleyCA94720 United States Institut für Physik Humboldt-Universität zu Berlin BerlinD-12489 Germany Fakultät für Physik & Astronomie Ruhr-Universität Bochum BochumD-44780 Germany Université Libre de Bruxelles Science Faculty CP230 BrusselsB-1050 Belgium Dienst ELEM BrusselsB-1050 Belgium Department of Physics Laboratory for Particle Physics and Cosmology Harvard University CambridgeMA02138 United States Dept. of Physics Massachusetts Institute of Technology CambridgeMA02139 United States Dept. of Physics The International Center for Hadron Astrophysics Chiba University Chiba263-8522 Japan Department of Physics Loyola University Chicago ChicagoIL60660 United States Dept. of Astronomy and Astrophysics University of Chicago ChicagoIL60637 United States Dept. of Physics University of Chicago ChicagoIL60637 United States Enrico Fermi Institute University of Chicago ChicagoIL60637 United States Kavli Institute for Cosmological Physics University of Chicago ChicagoIL60637 United States Dept. of Physics and Astronomy University of Canterbury Private Bag 4800 C

IceCube-Gen2 is an expansion of the IceCube neutrino observatory at the South Pole that aims to increase the sensitivity to high-energy neutrinos by an order of magnitude. To this end, about 10,000 new optical modules will be installed, instrumenting a fiducial volume of about 8 km3. Two newly developed optical module types increase IceCube's current sensitivity per module by a factor of three by integrating 16 and 18 newly developed four-inch PMTs in specially designed 12.5-inch diameter pressure vessels. Both designs use conical silicone gel pads to optically couple the PMTs to the pressure vessel to increase photon collection efficiency. The outside portion of gel pads are pre-cast onto each PMT prior to integration, while the interiors are filled and cast after the PMT assemblies are installed in the pressure vessel via a pushing mechanism. This paper presents both the mechanical design, as well as the performance of prototype modules at high pressure (70 MPa) and low temperature (-40 ◦C), characteristic of the environment inside the South Pole ice. Copyright © 2023, The Authors. All rights reserved.

关键词： Silicones

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一种基于OOK调制的电容型数字隔离器

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微电子学与计算机 2022年第9期39卷 125-132页

作者：廖坤杨君中鞠玲杨森肖知明南开大学电子信息与光学工程学院天津300071 国网泰州供电公司江苏泰州225300

针对高速电容型数字隔离器在"低速"应用下的高电流消耗问题,基于TSMC 180nm BCD工艺设计了一种基于OOK调制的低静态功耗全差分数字隔离器结构.通过发送机的逻辑控制电路产生的三组开关信号及振荡器模块产生的载波信号,提出的... 详细信息

针对高速电容型数字隔离器在"低速"应用下的高电流消耗问题,基于TSMC 180nm BCD工艺设计了一种基于OOK调制的低静态功耗全差分数字隔离器结构.通过发送机的逻辑控制电路产生的三组开关信号及振荡器模块产生的载波信号,提出的结构实现了对输入信号的调制.在传输信号频率变化时,基于跨导线性环结构的中点电位偏置电路将差分信号的直流电压均稳定在vDD/2附近,从而有效避免接收端直流电平衰减造成的误码.经由前置放大器放大后,接收端信号通过双阈值比较器完成解调.PvT仿真表明,在输入电源电压3~5.5v范围内,均可实现最高10Mbps传输速率,典型传输延时为13ns;典型情况下静态功耗仅为1.3mA,在1Mbps及10Mbps速率下的典型动态功耗分别为4mA及4.8mA.此设计支持多通道扩展,可通过共享内部振荡器及偏置模块进一步减小单通道平均功耗;此外隔离器在最高10Mbps输入PRBS(Pseudo-Random Binary Sequence)码下仍可准确解码,证明了此结构具有较强的传输鲁棒性.

关键词：电容耦合开关键控调制数字隔离器跨导线性环隔离通信

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高稳定性快速响应的无片外电容LDO设计

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微电子学与计算机 2024年第7期41卷 119-126页

作者：谢晋李景虎吴思妮陈启彬涂瑞泳罗志聪福建农林大学机电工程学院福建福州350002 厦门亿芯源半导体科技有限公司福建厦门361009 福建农林大学计算机与信息学院福建福州350002 福建省农业信息感知技术重点实验室福建福州350002

针对光通信集成电路及片上系统的电源与电路之间相互干扰的问题,基于TSMC 65 nm CMOS工艺,设计了一种高稳定性、快速响应的无片外电容低压差线性稳压器(Capacitor-Less Low Dropout Regulator,CL-LDO)。LDO电路包括带隙基准模块、推挽... 详细信息

针对光通信集成电路及片上系统的电源与电路之间相互干扰的问题,基于TSMC 65 nm CMOS工艺,设计了一种高稳定性、快速响应的无片外电容低压差线性稳压器(Capacitor-Less Low Dropout Regulator,CL-LDO)。LDO电路包括带隙基准模块、推挽误差放大器、电源抑制比(Power Supply Rejection,PSR)增强电路和尖峰抑制电路。推挽误差放大器为共栅极输入,有效降低了输出阻抗。放大器交叉耦合输入的方式显著提升了功率管摆率,内部添加拓补结构解决了环路增益过低及对称性差的问题,采用密勒补偿实现了0~100 pF全负载电容条件下系统稳定。主环路结合尖峰抑制电路改善瞬态性能,PSR增强电路产生可修调的负电容消除了功率管栅端产生的电源纹波,有效提升了LDO中频段电源抑制比。仿真结果表明,负载电流在0~100 mA内,该LDO的上冲电压和下冲电压分别为58 mv和89 mv,最小恢复时间为1.2μs,全负载范围内最差的相位裕度为64°,空载状态下的电源抑制比为99.2 dB@10 kHz,在不同工艺角下最差的负载调整率和线性调整率分别为0.016 mv/mA和5.1 mv/v。

关键词：无片外电容高稳定性快速响应 LDO 推挽放大器

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Roadmap on Label-Free Super-Resolution Imaging

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LASER & PHOTONICS REvIEWS 2023年第12期17卷 2200029-2200029页

作者： Astratov, vasily N. Ben Sahel, Yair Eldar, Yonina C. Huang, Luzhe Ozcan, Aydogan Zheludev, Nikolay Zhao, Junxiang Burns, Zachary Liu, Zhaowei Narimanov, Evgenii Goswami, Neha Popescu, Gabriel Pfitzner, Emanuel Kukura, Philipp Hsiao, Yi-Teng Hsieh, Chia-Lung Abbey, Brian Diaspro, Alberto LeGratiet, Aymeric Bianchini, Paolo Shaked, Natan T. Simon, Bertrand verrier, Nicolas Debailleul, Matthieu Haeberle, Olivier Wang, Sheng Liu, Mengkun Bai, Yeran Cheng, Ji-Xin Kariman, Behjat S. Fujita, Katsumasa Sinvani, Moshe Zalevsky, Zeev Li, Xiangping Huang, Guan-Jie Chu, Shi-Wei Tzang, Omer Hershkovitz, Dror Cheshnovsky, Ori Huttunen, Mikko J. Stanciu, Stefan G. Smolyaninova, vera N. Smolyaninov, Igor I. Leonhardt, Ulf Sahebdivan, Sahar Wang, Zengbo Luk'yanchuk, Boris Wu, Limin Maslov, Alexey v. Jin, Boya Simovski, Constantin R. Perrin, Stephane Montgomery, Paul Lecler, Sylvain Univ North Carolina Dept Phys & Opt Sci Charlotte NC 28223 USA Weizmann Inst Sci Dept Comp Sci & Appl Math IL-7610001 Rehovot Israel Univ Calif Los Angeles Elect & Comp Engn Dept Los Angeles CA 90095 USA Univ Calif Los Angeles Bioengn Dept Los Angeles CA 90095 USA Univ Calif Los Angeles CNSI Los Angeles CA 90095 USA Univ Calif Los Angeles David Geffen Sch Med Los Angeles CA 90095 USA Univ Southampton Optoelect Res Ctr Southampton SO17 1BJ Hants England Nanyang Technol Univ Sch Phys & Math Sci Ctr Disrupt Photon Technol Photon Inst Singapore 637371 Singapore Univ Calif San Diego Dept Elect & Comp Engn 9500 Gilman Dr San Diego CA 92093 USA Univ Calif San Diego Mat Sci & Engn 9500 Gilman Dr San Diego CA 92093 USA Purdue Univ Sch Elect Engn W Lafayette IN 47907 USA Purdue Univ Birck Nanotechnol Ctr W Lafayette IN 47907 USA Univ Illinois Beckman Inst Adv Sci & Technol Quantitat Light Imaging Lab Champaign IL 61801 USA Univ Oxford Dept Chem Oxford OX1 3QZ England Acad Sinica 1 IAMS Roosevelt Rd Sect 4 Taipei 10617 Taiwan La Trobe Univ Australian Res Council Ctr Excellence Adv Mol Imaging Melbourne Vic 3086 Australia La Trobe Univ La Trobe Inst Mol Sci LIMS Dept Chem & Phys Melbourne Vic 3086 Australia Ist Italiano Tecnol CHT Opt Nanoscopy & NIC IIT Via Enrico Melen 83B I-16152 Genoa Italy Univ Genoa Dept Phys DIFILAB Via Dodecaneso 33 I-16146 Genoa Italy Univ Rennes CNRS Inst FOTON UMR 6082 F-22305 Lannion France Tel Aviv Univ Dept Biomed Engn Fac Engn IL-6997801 Tel Aviv Israel Univ Bordeaux Inst Opt Grad Sch CNRS UMR5298LP2N F-33405 Talence France Univ Haute Alsace IRIMAS UR UHA7499 F-68093 Mulhouse France Wuhan Univ Sch Phys & Technol Wuhan Hubei Peoples R China Wuhan Inst Quantum Technol Wuhan 430206 Peoples R China SUNY Stony Brook Dept Phys & Astron Stony Brook NY 11794 USA Brookhaven Natl Lab Natl Synchrotron Light Source 2 Upton NY 11973 USA Boston Univ Photon Ctr Boston MA 02215 USA Osaka Univ Inst Open &

Label-free super-resolution (LFSR) imaging relies on light-scattering processes in nanoscale objects without a need for fluorescent (FL) staining required in super-resolved FL microscopy. The objectives of this Roadmap are to present a comprehensive vision of the developments, the state-of-the-art in this field, and to discuss the resolution boundaries and hurdles that need to be overcome to break the classical diffraction limit of the label-free imaging. The scope of this Roadmap spans from the advanced interference detection techniques, where the diffraction-limited lateral resolution is combined with unsurpassed axial and temporal resolution, to techniques with true lateral super-resolution capability that are based on understanding resolution as an information science problem, on using novel structured illumination, near-field scanning, and nonlinear optics approaches, and on designing superlenses based on nanoplasmonics, metamaterials, transformation optics, and microsphere-assisted approaches. To this end, this Roadmap brings under the same umbrella researchers from the physics and biomedical optics communities in which such studies have often been developing separately. The ultimate intent of this paper is to create a vision for the current and future developments of LFSR imaging based on its physical mechanisms and to create a great opening for the series of articles in this field.

关键词： biomedical imaging diffraction limit label-free imaging near-field imaging optical microscopy super-resolution structured illumination

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Implementation and first results of the KM3NeT real-time core-collapse supernova neutrino search

arXiv

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arXiv 2021年

作者： Aiello, S. Albert, A. Alshamsi, M. Alves Garre, S. Aly, Z. Ambrosone, A. Ameli, F. Andre, M. Androulakis, G. Anghinolfi, M. Anguita, M. Ardid, M. Ardid, S. Aublin, J. Bagatelas, C. Baret, B. Basegmez du Pree, S. Bendahman, M. Benfenati, F. Berbee, E. van den Berg, A.M. Bertin, v. Biagi, S. Boettcher, M. Bou Cabo, M. Boumaaza, J. Bouta, M. Bouwhuis, M. Bozza, C. Brânzaş, H. Bruijn, R. Brunner, J. Bruno, R. Buis, E. Buompane, R. Busto, J. Caiffi, B. Calvo, D. Campion, S. Capone, A. Carretero, v. Castaldi, P. Celli, S. Chabab, M. Chau, N. Chen, A. Cherubini, S. Chiarella, v. Chiarusi, T. Circella, M. Cocimano, R. Coelho, J.A.B. Coleiro, A. Colomer Molla, M. Coniglione, R. Coyle, P. Creusot, A. Cruz, A. Cuttone, G. Dallier, R. de Martino, B. Di Palma, I. Díaz, A.F. Diego-Tortosa, D. Distefano, C. Domi, A. Donzaud, C. Dornic, D. Dörr, M. Drouhin, D. Eberl, T. Eddyamoui, A. van Eeden, T. van Eijk, D. El Bojaddaini, I. El Hedri, S. Enzenhöfer, A. Espinosa, v. Fermani, P. Ferrara, G. Filipović, M.D. Filippini, F. Fusco, L.A. Gal, T. García Méndez, J. Garcia Soto, A. Garufi, F. Gatelet, Y. Gatius Oliver, C. Geißelbrecht, N. Gialanella, L. Giorgio, E. Gozzini, S.R. Gracia, R. Graf, K. Grella, G. Guderian, D. Guidi, C. Guillon, B. Gutiérrez, M. Haefner, J. Hallmann, S. Hamdaoui, H. van Haren, H. Heijboer, A. Hekalo, A. Hennig, L. Hernández-Rey, J.J. Hofestädt, J. Huang, F. Idrissi Ibnsalih, W. Illuminati, G. James, C.W. Janezashvili, D. de Jong, M. de Jong, P. Jung, B.J. Kalaczynski, P. Kalekin, O. Katz, U.F. Khan Chowdhury, N.R. Kistauri, G. van der Knaap, F. Kooijman, P. Kouchner, A. Kulikovskiy, v. Labalme, M. Lahmann, R. Lamoureux, M. Larosa, G. Lastoria, C. Lazo, A. Le Breton, R. Le Stum, S. Lehaut, G. Leonardi, O. Leone, F. Leonora, E. Lessing, N. Levi, G. Lincetto, Massimiliano Lindsey Clark, M. Lipreau, T. LLorens Alvarez, C. Longhitano, F. Lopez-Coto, D. Maderer, L. Majumdar, J. Manczak, J. Margiotta, A. Marinelli, A. Markou, C. INFN Sezione di Catania Via Santa Sofia 64 Catania95123 Italy Université de Strasbourg CNRS IPHC UMR 7178 StrasbourgF-67000 France Université de Paris CNRS Astroparticule et Cosmologie ParisF-75013 France c/Catedrático José Beltrán 2 Valencia Paterna46980 Spain Aix Marseille Univ CNRS/IN2P3 CPPM Marseille France INFN Sezione di Napoli Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli80126 Italy Università di Napoli "Federico II" Dip. Scienze Fisiche "E. Pancini" Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli80126 Italy INFN Sezione di Roma Piazzale Aldo Moro 2 Roma00185 Italy Universitat Politècnica de Catalunya Laboratori d’Aplicacions Bioacústiques Centre Tecnològic de Vilanova i la Geltrú Avda. Rambla Exposició s/n Vilanova i la Geltrú 08800 Spain NCSR Demokritos Institute of Nuclear and Particle Physics Ag. Paraskevi Attikis Athens 15310 Greece INFN Sezione di Genova Via Dodecaneso 33 Genova16146 Italy University of Granada Dept. of Computer Architecture and Technology/CITIC Granada18071 Spain Universitat Politècnica de València Instituto de Investigación para la Gestión Integrada de las Zonas Costeras C/ Paranimf 1 Gandia46730 Spain Nikhef National Institute for Subatomic Physics PO Box 41882 Amsterdam1009 DB Netherlands University Mohammed V in Rabat Faculty of Sciences 4 av. Ibn Battouta B.P. 1014 R.P Rabat10000 Morocco INFN Sezione di Bologna v.le C. Berti-Pichat 6/2 Bologna40127 Italy Università di Bologna Dipartimento di Fisica e Astronomia v.le C. Berti-Pichat 6/2 Bologna40127 Italy KVI-CART University of Groningen Groningen Netherlands INFN Laboratori Nazionali del Sud Via S. Sofia 62 Catania95123 Italy North-West University Centre for Space Research Private Bag X6001 Potchefstroom2520 South Africa Instituto Español de Oceanografía Unidad Mixta IEO-UPV C/ Paranimf 1 Gandia46730 Spain University Mohammed I Faculty of Sciences BV Mohammed VI B.P. 717 R

The KM3NeT research infrastructure is under construction in the Mediterranean Sea. KM3NeT will study atmospheric and astrophysical neutrinos with two multi-purpose neutrino detectors, ARCA and ORCA, primarily aimed at Gev–Pev neutrinos. Thanks to the multi-photomultiplier tube design of the digital optical modules, KM3NeT is capable of detecting the neutrino burst from a Galactic or near-Galactic core-collapse supernova. This potential is already exploitable with the first detection units deployed in the sea. This paper describes the real-time implementation of the supernova neutrino search, operating on the two KM3NeT detectors since the first months of 2019. A quasi-online astronomy analysis is introduced to study the time profile of the detected neutrinos for especially significant events. The mechanism of generation and distribution of alerts, as well as the integration into the SNEWS and SNEWS 2.0 global alert systems are described. The approach for the follow-up of external alerts with a search for a neutrino excess in the archival data is defined. Finally, an overview of the current detector capabilities and a report after the first two years of operation are given. Copyright © 2021, The Authors. All rights reserved.

关键词： Neutrons

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Terrestrial very-Long-Baseline Atom Interferometry: Workshop Summary

arXiv

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arXiv 2023年

作者： Abend, Sven Allard, Baptiste Alonso, Iván Antoniadis, John Araújo, Henrique Arduini, Gianluigi Arnold, Aidan S. Aßmann, Tobias Augst, Nadja Badurina, Leonardo Balaž, Antun Banks, Hannah Barone, Michele Barsanti, Michele Bassi, Angelo Battelier, Baptiste Baynham, Charles F.A. Beaufils, Quentin Belić, Aleksandar Beniwal, Ankit Bernabeu, Jose Bertinelli, Francesco Bertoldi, Andrea Biswas, Ikbal Ahamed Blas, Diego Boegel, Patrick Bogojević, Aleksandar Böhm, Jonas Böhringer, Samuel Bongs, Kai Bouyer, Philippe Brand, Christian Brimis, Apostolos Buchmueller, Oliver Cacciapuoti, Luigi Calatroni, Sergio Canuel, Benjamin Caprini, Chiara Caramete, Ana Caramete, Laurentiu Carlesso, Matteo Carlton, John Casariego, Mateo Charmandaris, vassilis Chen, Yu-Ao Chiofalo, Maria Luisa Cimbri, Alessia Coleman, Jonathon Constantin, Florin Lucian Contaldi, Carlo R. Cui, Yanou Ros, Elisa Da Davies, Gavin del Pino Rosendo, Esther Deppner, Christian Derevianko, Andrei de Rham, Claudia De Roeck, Albert Derr, Daniel Pumpo, Fabio Di Djordjevic, Goran S. Döbrich, Babette Domokos, Peter Dornan, Peter Doser, Michael Drougakis, Giannis Dunningham, Jacob Duspayev, Alisher Easo, Sajan Eby, Joshua Efremov, Maxim Ekelof, Tord Elertas, Gedminas Ellis, John Evans, David Fadeev, Pavel Fanì, Mattia Fassi, Farida Fattori, Marco Fayet, Pierre Felea, Daniel Feng, Jie Friedrich, Alexander Fuchs, Elina Gaaloul, Naceur Gao, Dongfeng Gardner, Susan Garraway, Barry Gauguet, Alexandre Gerlach, Sandra Gersemann, Matthias Gibson, valerie Giese, Enno Giudice, Gian F. Glasbrenner, Eric P. Gündogan, Mustafa Haehnelt, Martin Hakulinen, Timo Hammerer, Klemens Hanımeli, Ekim T. Harte, Tiffany Hawkins, Leonie Hees, Aurelien Heise, Jaret Henderson, victoria A. Herrmann, Sven Hird, Thomas M. Hogan, Jason M. Holst, Bodil Holynski, Michael Hussain, Kamran Janson, Gregor Jeglič, Peter Jelezko, Fedor Kagan, Michael Kalliokoski, Matti Kasevich, Mark Kehagias, Alex Kilian, Eva Koley, Soumen Konrad, Bernd Kopp, Joachim Kornakov, Georgy Kovachy, Tim Krutzik, Markus Kumar, Mukesh Kum Leibniz Universität Hannover Welfengarten 1 Hannover30167 Germany Laboratoire Collisions Agrégats Réactivité CNRS Université Toulouse III - Paul Sabatier Toulouse France Department of Industrial Engineering Higher Polytechnic School University of the Balearic Islands Palma de Mallorca Spain IFORTH Institute of Astrophysics N. Plastira 100 Heraklion70013 Greece Physics Department Imperial College Prince Consort Road LondonSW7 2AZ United Kingdom CERN Geneva 23CH-1211 Switzerland SUPA Department of Physics University of Strathclyde GlasgowG4 0NG United Kingdom Universität Ulm Albert-Einstein-Allee 11 Ulm89081 Germany Institut für Quantentechnologien Wilhelm-Runge-Straße 10 Ulm89081 Germany Physics Department King’s College London LondonWC2R 2LS United Kingdom Walter Burke Institute for Theoretical Physics California Institute of Technology PasadenaCA91125 United States Institute of Physics Belgrade University of Belgrade Pregrevica 118 Belgrade11080 Serbia DAMTP University of Cambridge Wilberforce Road CambridgeCB3 0WA United Kingdom Institute of Nuclear and Particle Physics NCSR Demokritos Agia Paraskevi15310 Greece Department of Civil and Industrial Engineering University of Pisa Largo Lucio Lazzarino Pisa56122 Italy Department of Physics University of Trieste Strada Costiera 11 Trieste34151 Italy Istituto Nazionale di Fisica Nucleare Trieste Section Via Valerio 2 Trieste34127 Italy LP2N Laboratoire Photonique Numérique et Nanosciences Université Bordeaux IOGS CNRS UMR 5298 1 rue François Mitterrand Talence33400 France SYRTE Observatoire de Paris Université PSL CNRS Sorbonne Université LNE 61 avenue de l’Observatoire Paris75014 France Department of Theoretical Physics University of Valencia BurjassotE-46100 Spain Department of Physics Indian Institute of Technology Delhi Hauz Khas New Delhi110016 India Grup de Física Teòrica Departament de Física Universitat Autònoma de Barcelona Bellaterra Barcelona08193

This document presents a summary of the 2023 Terrestrial very-Long-Baseline Atom Interferometry Workshop hosted by CERN. The workshop brought together experts from around the world to discuss the exciting developments in large-scale atom interferometer (AI) prototypes and their potential for detecting ultralight dark matter and gravitational waves. The primary objective of the workshop was to lay the groundwork for an international TvLBAI proto-collaboration. This collaboration aims to unite researchers from different institutions to strategize and secure funding for terrestrial large-scale AI projects. The ultimate goal is to create a roadmap detailing the design and technology choices for one or more km-scale detectors, which will be operational in the mid-2030s. The key sections of this report present the physics case and technical challenges, together with a comprehensive overview of the discussions at the workshop together with the main conclusions. Copyright © 2023, The Authors. All rights reserved.

关键词： Interferometry

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Frequency-Dependent Squeezed vacuum Source for the Advanced virgo Gravitational-Wave Detector

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Physical Review Letters 2023年第4期131卷 041403-041403页

作者： F. Acernese M. Agathos A. Ain S. Albanesi C. Alléné A. Allocca A. Amato C. Amra M. Andia T. Andrade N. Andres M. Andrés-Carcasona T. Andrić S. Ansoldi S. Antier T. Apostolatos E. Z. Appavuravther M. Arène N. Arnaud M. Assiduo S. Assis de Souza Melo P. Astone F. Aubin S. Babak F. Badaracco S. Bagnasco J. Baird T. Baka G. Ballardin G. Baltus B. Banerjee P. Barneo F. Barone M. Barsuglia D. Barta A. Basti M. Bawaj M. Bazzan F. Beirnaert M. Bejger v. Benedetto M. Berbel S. Bernuzzi D. Bersanetti A. Bertolini U. Bhardwaj A. Bianchi M. Bilicki S. Bini M. Bischi M. Bitossi M.-A. Bizouard F. Bobba M. Boër G. Bogaert G. Boileau M. Boldrini L. D. Bonavena R. Bondarescu F. Bondu R. Bonnand v. Boschi v. Boudart Y. Bouffanais A. Bozzi C. Bradaschia M. Braglia M. Branchesi M. Breschi T. Briant A. Brillet J. Brooks G. Bruno F. Bucci O. Bulashenko T. Bulik H. J. Bulten R. Buscicchio D. Buskulic C. Buy G. Cabras R. Cabrita G. Cagnoli E. Calloni M. Canepa G. Caneva Santoro M. Cannavacciuolo E. Capocasa G. Carapella F. Carbognani M. Carpinelli G. Carullo J. Casanueva Diaz C. Casentini S. Caudill R. Cavalieri G. Cella P. Cerdá-Durán E. Cesarini W. Chaibi P. Chanial E. Chassande-Mottin S. Chaty P. Chessa F. Chiadini G. Chiarini R. Chierici A. Chincarini M. L. Chiofalo A. Chiummo N. Christensen S. Chua G. Ciani P. Ciecielag M. Cieślar M. Cifaldi R. Ciolfi S. Clesse F. Cleva E. Coccia E. Codazzo P.-F. Cohadon A. Colombo M. Colpi L. Conti I. Cordero-Carrión S. Corezzi S. Cortese J.-P. Coulon J.-F. Coupechoux M. Croquette J. R. Cudell E. Cuoco M. Curyło P. Dabadie T. Dal Canton S. Dall’Osso G. Dálya B. D’Angelo G. Dangoisse S. Danilishin S. D’Antonio v. Dattilo M. Davier J. Degallaix M. De Laurentis S. Deléglise F. De Lillo D. Dell’Aquila W. Del Pozzo F. De Matteis A. Depasse R. De Pietri R. De Rosa C. De Rossi R. De Simone L. Di Fiore C. Di Giorgio F. Di Giovanni M. Di Giovanni T. Di Girolamo D. Diksha A. Di Lieto A. Di Michele J. Ding S. Di Pace I. Di Palma F. Di Renzo L. D’Onofrio T. Dooney O. Dorosh M. Drago J.-G. Ducoin U. Dupletsa O Dipartimento di Farmacia Università di Salerno I-84084 Fisciano Salerno Italy INFN Sezione di Napoli I-80126 Napoli Italy Theoretisch-Physikalisches Institut Friedrich-Schiller-Universität Jena D-07743 Jena Germany INFN Sezione di Pisa I-56127 Pisa Italy Dipartimento di Fisica Università degli Studi di Torino I-10125 Torino Italy INFN Sezione di Torino I-10125 Torino Italy Université Savoie Mont Blanc CNRS Laboratoire d’Annecy de Physique des Particules - IN2P3 F-74000 Annecy France Università di Napoli “Federico II” I-80126 Napoli Italy Maastricht University 6200 MD Maastricht Netherlands Nikhef 1098 XG Amsterdam Netherlands Institut Fresnel Faculté des Sciences St Jérôme Avenue Escadrille Normandie-Niemen F-13013 Marseille France Université Paris-Saclay CNRS/IN2P3 IJCLab 91405 Orsay France Institut de Ciències del Cosmos (ICCUB) Universitat de Barcelona (UB) carrer Martí i Franquès 1 08028 Barcelona Spain Institut de Física d’Altes Energies (IFAE) Barcelona Institute of Science and Technology and ICREA E-08193 Barcelona Spain Gran Sasso Science Institute (GSSI) I-67100 L’Aquila Italy Dipartimento di Scienze Matematiche Informatiche e Fisiche Università di Udine I-33100 Udine Italy INFN Sezione di Trieste I-34127 Trieste Italy Université Côte d’Azur Observatoire Côte d’Azur CNRS Artemis F-06304 Nice France Department of Physics National and Kapodistrian University of Athens 15771 Ilissia Greece INFN Sezione di Perugia I-06123 Perugia Italy Università di Camerino I-62032 Camerino Italy Université Paris Cité CNRS Astroparticule et Cosmologie F-75013 Paris France European Gravitational Observatory (EGO) I-56021 Cascina Pisa Italy Università degli Studi di Urbino “Carlo Bo” I-61029 Urbino Italy INFN Sezione di Firenze I-50019 Sesto Fiorentino Firenze Italy INFN Sezione di Roma I-00185 Roma Italy Université catholique de Louvain B-1348 Louvain-la-Neuve Belgium Institute for Gravitational and Subatomic Physics (GRASP) Utrecht Universi

In this Letter, we present the design and performance of the frequency-dependent squeezed vacuum source that will be used for the broadband quantum noise reduction of the Advanced virgo Plus gravitational-wave detector in the upcoming observation run. The frequency-dependent squeezed field is generated by a phase rotation of a frequency-independent squeezed state through a 285 m long, high-finesse, near-detuned optical resonator. With about 8.5 dB of generated squeezing, up to 5.6 dB of quantum noise suppression has been measured at high frequency while close to the filter cavity resonance frequency, the intracavity losses limit this value to about 2 dB. Frequency-dependent squeezing is produced with a rotation frequency stability of about 6 Hz rms, which is maintained over the long term. The achieved results fulfill the frequency dependent squeezed vacuum source requirements for Advanced virgo Plus. With the current squeezing source, considering also the estimated squeezing degradation induced by the interferometer, we expect a reduction of the quantum shot noise and radiation pressure noise of up to 4.5 dB and 2 dB, respectively.

关键词： Gravitation Gravitational waves Gravitational wave detectors

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