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Article ; Online: Bicontrollable terahertz metasurface with subwavelength scattering elements of two different materials.

Chiadini, Francesco / Lakhtakia, Akhlesh

Applied optics

2018 Volume 57, Issue 2, Page(s) 189–196

Abstract: Transmission of a normally incident plane wave through a metasurface with bicontrollable subwavelength scattering elements was simulated using a commercial software. Some pixels composing the H-shaped scattering elements were made of a magnetostatically ... ...

Abstract	Transmission of a normally incident plane wave through a metasurface with bicontrollable subwavelength scattering elements was simulated using a commercial software. Some pixels composing the H-shaped scattering elements were made of a magnetostatically controllable material whereas the remaining pixels were made of a thermally controllable material, the metasurface designed to operate in the terahertz spectral regime. The copolarized transmission coefficients were found to exhibit stopbands that shift when either a magnetostatic field is applied or the temperature is increased or both. Depending on spectral location of the stopband, either the magnetostatic field gives coarse control and temperature gives fine control or vice versa. The level of magnetostatic control depends on the magnetostatic-field configuration.
Language	English
Publishing date	2018-01-10
Publishing country	United States
Document type	Journal Article
ISSN	1539-4522
ISSN (online)	1539-4522
DOI	10.1364/AO.57.000189
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Left/right asymmetry of the dipole field due to reflection from a periodic multilayer of a topological insulator and a columnar thin film.

Scaglione, Antonio / Chiadini, Francesco / Fiumara, Vincenzo / Lakhtakia, Akhlesh

Optics express

2020 Volume 28, Issue 15, Page(s) 22266–22275

Abstract: The problem of a vertical electric dipole radiating above a periodic multilayer whose unit cell comprises a layer of a topological insulator (TI) and a columnar thin film (CTF) was solved in order to investigate the left/right asymmetry of the total ... ...

Abstract	The problem of a vertical electric dipole radiating above a periodic multilayer whose unit cell comprises a layer of a topological insulator (TI) and a columnar thin film (CTF) was solved in order to investigate the left/right asymmetry of the total electric field in the far zone in the half-space containing the dipole. Occurring in a wide range of the polar observation angle, the left/right asymmetry of E
Language	English
Publishing date	2020-08-01
Publishing country	United States
Document type	Journal Article
ZDB-ID	1491859-6
ISSN	1094-4087 ; 1094-4087
ISSN (online)	1094-4087
ISSN	1094-4087
DOI	10.1364/OE.391105
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Article ; Online: Enhanced left/right asymmetry in reflection and transmission due to a periodic multilayer of a topological insulator and an anisotropic dielectric material.

Chiadini, Francesco / Fiumara, Vincenzo / Lakhtakia, Akhlesh / Scaglione, Antonio

Applied optics

2019 Volume 58, Issue 7, Page(s) 1724–1732

Abstract: Very weak left/right asymmetry in reflection and transmission is offered by a layer of a topological insulator on top of a layer of an anisotropic dielectric material, but it can be enhanced very significantly by using a periodic multilayer of both types ...

Abstract	Very weak left/right asymmetry in reflection and transmission is offered by a layer of a topological insulator on top of a layer of an anisotropic dielectric material, but it can be enhanced very significantly by using a periodic multilayer of both types of materials. This is an attractive prospect for realizing one-way terahertz devices, because both types of materials can be grown using standard physical-vapor-deposition techniques.
Language	English
Publishing date	2019-03-15
Publishing country	United States
Document type	Journal Article
ISSN	1539-4522
ISSN (online)	1539-4522
DOI	10.1364/AO.58.001724
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Article ; Online: Simulation and analysis of prismatic bioinspired compound lenses for solar cells: II. Multifrequency analysis.

Chiadini, Francesco / Fiumara, Vincenzo / Scaglione, Antonio / Lakhtakia, Akhlesh

Bioinspiration & biomimetics

2011 Volume 6, Issue 1, Page(s) 14002

Abstract: Multifrequency numerical simulations of the light-coupling efficiency of a prismatic bioinspired compound lens (BCL) of silicon atop a thick silicon substrate were carried out within the framework of geometrical optics. Comparison was made with ... ...

Abstract	Multifrequency numerical simulations of the light-coupling efficiency of a prismatic bioinspired compound lens (BCL) of silicon atop a thick silicon substrate were carried out within the framework of geometrical optics. Comparison was made with untextured and groove-textured silicon substrates as well as with untextured silicon substrates with a double-layer anti-reflection (DLAR) coating. Taking into account the broadband nature and the sea-level spectral irradiance of the insolation flux, and averaging over all admissible directions and both linear polarization states of the incident light, we found that the light-coupling efficiency can be almost doubled with respect to the untextured silicon substrate and enhanced by about a third with respect to a DLAR-coated untextured silicon substrate, by adopting a DLAR-coated silicon BCL.
MeSH term(s)	Animals ; Biomimetic Materials ; Compound Eye, Arthropod/physiology ; Computer Simulation ; Computer-Aided Design ; Diptera/physiology ; Electric Power Supplies ; Equipment Design ; Equipment Failure Analysis ; Lens, Crystalline/physiology ; Lenses ; Models, Biological ; Refractometry/instrumentation ; Solar Energy
Language	English
Publishing date	2011-03
Publishing country	England
Document type	Journal Article
ZDB-ID	2235670-8
ISSN	1748-3190 ; 1748-3182
ISSN (online)	1748-3190
ISSN	1748-3182
DOI	10.1088/1748-3182/6/1/014002
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Article: Emergence and Evolution of Crystallization in TiO

Durante, Ofelia / Di Giorgio, Cinzia / Granata, Veronica / Neilson, Joshua / Fittipaldi, Rosalba / Vecchione, Antonio / Carapella, Giovanni / Chiadini, Francesco / DeSalvo, Riccardo / Dinelli, Franco / Fiumara, Vincenzo / Pierro, Vincenzo / Pinto, Innocenzo M / Principe, Maria / Bobba, Fabrizio

Nanomaterials (Basel, Switzerland)

2021 Volume 11, Issue 6

Abstract: Among all transition metal oxides, titanium dioxide ( ... ...

Abstract	Among all transition metal oxides, titanium dioxide (TiO
Language	English
Publishing date	2021-05-26
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2662255-5
ISSN	2079-4991
ISSN	2079-4991
DOI	10.3390/nano11061409
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Article ; Online: Simulation and analysis of prismatic bioinspired compound lenses for solar cells.

Chiadini, Francesco / Fiumara, Vincenzo / Scaglione, Antonio / Lakhtakia, Akhlesh

Bioinspiration & biomimetics

2010 Volume 5, Issue 2, Page(s) 26002

Abstract: Inspired by the apposition compound eyes of many dipterans, we formulated a fractal scheme to design prismatic lenses to improve the performance of silicon solar cells. We simulated the absorption of light, both directly illuminating and diffuse, using ... ...

Abstract	Inspired by the apposition compound eyes of many dipterans, we formulated a fractal scheme to design prismatic lenses to improve the performance of silicon solar cells. We simulated the absorption of light, both directly illuminating and diffuse, using the geometrical-optics approximation. We found that properly designed bioinspired compound lenses (BCLs) can significantly improve the light-harvesting capabilities of silicon solar cells. The degree of improvement will depend on the material chosen to make the BCLs as well as the operating conditions.
MeSH term(s)	Animals ; Biomimetic Materials ; Compound Eye, Arthropod/physiology ; Computer Simulation ; Computer-Aided Design ; Diptera/physiology ; Electric Power Supplies ; Equipment Design ; Equipment Failure Analysis ; Lens, Crystalline/physiology ; Lenses ; Models, Biological ; Refractometry/instrumentation ; Solar Energy
Language	English
Publishing date	2010-06
Publishing country	England
Document type	Journal Article
ZDB-ID	2235670-8
ISSN	1748-3190 ; 1748-3182
ISSN (online)	1748-3190
ISSN	1748-3182
DOI	10.1088/1748-3182/5/2/026002
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Article ; Online: Induction of alkaline phosphatase activity by exposure of human cell lines to a low-frequency electric field from apparatuses used in clinical therapies.

Bisceglia, Bruno / Zirpoli, Hylde / Caputo, Mariella / Chiadini, Francesco / Scaglione, Antonio / Tecce, Mario Felice

Bioelectromagnetics

2011 Volume 32, Issue 2, Page(s) 113–119

Abstract: Low-frequency (LF) electric fields (EFs) are currently used in clinical therapies of several bone diseases to increase bone regenerative processes. To identify possible molecular mechanisms involved in these processes, we evaluated the effects on cell ... ...

Abstract	Low-frequency (LF) electric fields (EFs) are currently used in clinical therapies of several bone diseases to increase bone regenerative processes. To identify possible molecular mechanisms involved in these processes, we evaluated the effects on cell cultures of 1 h exposures to the signal generated by an apparatus of current clinical use (frequency 60 kHz, frequency of the modulating signal 12.5 Hz, 50% duty cycle, peak-to-peak voltage 24.5 V). Two different human cell lines, bone SaOS-2 and liver HepG2, were used. Exposures significantly increased alkaline phosphatase (ALP) enzymatic activity in both cell lines. The increase was about 35% in SaOS-2 cells and about 80% in HepG2 cells and occurred in the first 4 h after exposure and decreased to almost no change by 24 h. Since ALP represents a typical marker of bone regeneration, these results represent a first molecular evidence of biological effects from 60 kHz EF exposures. The finding of similar effects in cells derived from two different tissues more likely indicates the effective operation of the mechanism in living organisms.
MeSH term(s)	Alkaline Phosphatase/metabolism ; Cell Survival ; Electric Stimulation Therapy/instrumentation ; Hep G2 Cells ; Humans ; Time Factors
Chemical Substances	Alkaline Phosphatase (EC 3.1.3.1)
Language	English
Publishing date	2011-02
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	760683-7
ISSN	1521-186X ; 0197-8462
ISSN (online)	1521-186X
ISSN	0197-8462
DOI	10.1002/bem.20630
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Article ; Online: Effect of low frequency (LF) electric fields on gene expression of a bone human cell line.

Caputo, Mariella / Zirpoli, Hylde / De Rosa, Maria Caterina / Rescigno, Tania / Chiadini, Francesco / Scaglione, Antonio / Stellato, Claudia / Giurato, Giorgio / Weisz, Alessandro / Tecce, Mario Felice / Bisceglia, Bruno

Electromagnetic biology and medicine

2014 Volume 33, Issue 4, Page(s) 289–295

Abstract: We evaluated the effects, on cultured human SaOS-2 cells, of exposures to the low frequency (LF) electric signal (60 kHz sinusoidal wave, 24.5 V peak-to-peak voltage, amplitude modulated by a 12.5 Hz square wave, 50% duty cycle) from an apparatus of ... ...

Abstract	We evaluated the effects, on cultured human SaOS-2 cells, of exposures to the low frequency (LF) electric signal (60 kHz sinusoidal wave, 24.5 V peak-to-peak voltage, amplitude modulated by a 12.5 Hz square wave, 50% duty cycle) from an apparatus of current clinical use in bone diseases requiring regenerating processes. Cells in flasks were exposed to a capacitively coupled electric field giving electric current density in the sample of 4 µA/cm(2). The whole expressed cellular mRNAs were systematically analyzed by "DNA microchips" technology to identify all individual species quantitatively affected by field exposure. Comparisons were made between RNA samples from exposed and control sham-exposed cells. Results indicated that immediately and 4 h after exposure there were almost no differentially modulated mRNA species. However, samples obtained at 24 h after exposure showed a small number of limitedly differential signals (7 down-regulated and 3 up-regulated with a cut-off value of ±1.5; 38 and 11, respectively, with a cut-off value of ±1.3), which included mostly mRNA encoding transcription factors and DNA binding proteins. Nevertheless, in identical experimental conditions, we previously demonstrated enzymatic changes of alkaline phosphatase occurring immediately after exposure and declining in a few hours. Therefore, since enzymatic changes occur before those observed at gene regulation level, it is conceivable that only earlier effects are directly due the treatment and then these effects are later able to affect gene expression only indirectly.
MeSH term(s)	Bone and Bones/cytology ; Bone and Bones/radiation effects ; Cell Line, Tumor ; Cell Proliferation/radiation effects ; Cell Survival/radiation effects ; Electromagnetic Fields ; Gene Expression Regulation/radiation effects ; Humans ; RNA, Messenger/genetics ; RNA, Messenger/metabolism ; Time Factors
Chemical Substances	RNA, Messenger
Language	English
Publishing date	2014-12
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2026727-7
ISSN	1536-8386 ; 1061-9526
ISSN (online)	1536-8386
ISSN	1061-9526
DOI	10.3109/15368378.2013.822387
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Article ; Online: Frequency-Dependent Squeezed Vacuum Source for the Advanced Virgo Gravitational-Wave Detector.

Acernese, F / Agathos, M / Ain, A / Albanesi, S / Alléné, C / Allocca, A / Amato, A / Amra, C / Andia, M / Andrade, T / Andres, N / Andrés-Carcasona, M / Andrić, T / Ansoldi, S / Antier, S / Apostolatos, T / Appavuravther, E Z / Arène, M / Arnaud, N /

Assiduo, M / Melo, S Assis de Souza / Astone, P / Aubin, F / Babak, S / Badaracco, F / Bagnasco, S / Baird, J / Baka, T / Ballardin, G / Baltus, G / Banerjee, B / Barneo, P / Barone, F / Barsuglia, M / Barta, D / Basti, A / Bawaj, M / Bazzan, M / Beirnaert, F / Bejger, M / Benedetto, V / Berbel, M / Bernuzzi, S / Bersanetti, D / Bertolini, A / Bhardwaj, U / Bianchi, A / Bilicki, M / Bini, S / Bischi, M / Bitossi, M / Bizouard, M-A / Bobba, F / Boër, M / Bogaert, G / Boileau, G / Boldrini, M / Bonavena, L D / Bondarescu, R / Bondu, F / Bonnand, R / Boschi, V / Boudart, V / Bouffanais, Y / Bozzi, A / Bradaschia, C / Braglia, M / Branchesi, M / Breschi, M / Briant, T / Brillet, A / Brooks, J / Bruno, G / Bucci, F / Bulashenko, O / Bulik, T / Bulten, H J / Buscicchio, R / Buskulic, D / Buy, C / Cabras, G / Cabrita, R / Cagnoli, G / Calloni, E / Canepa, M / Santoro, G Caneva / Cannavacciuolo, M / Capocasa, E / Carapella, G / Carbognani, F / Carpinelli, M / Carullo, G / Diaz, J Casanueva / Casentini, C / Caudill, S / Cavalieri, R / Cella, G / Cerdá-Durán, P / Cesarini, E / Chaibi, W / Chanial, P / Chassande-Mottin, E / Chaty, S / Chessa, P / Chiadini, F / Chiarini, G / Chierici, R / Chincarini, A / Chiofalo, M L / Chiummo, A / Christensen, N / Chua, S / Ciani, G / Ciecielag, P / Cieślar, M / Cifaldi, M / Ciolfi, R / Clesse, S / Cleva, F / Coccia, E / Codazzo, E / Cohadon, P-F / Colombo, A / Colpi, M / Conti, L / Cordero-Carrión, I / Corezzi, S / Cortese, S / Coulon, J-P / Coupechoux, J-F / Croquette, M / Cudell, J R / Cuoco, E / Curyło, M / Dabadie, P / Canton, T Dal / Dall'Osso, S / Dálya, G / D'Angelo, B / Dangoisse, G / Danilishin, S / D'Antonio, S / Dattilo, V / Davier, M / Degallaix, J / De Laurentis, M / Deléglise, S / De Lillo, F / Dell'Aquila, D / Del Pozzo, W / De Matteis, F / Depasse, A / De Pietri, R / De Rosa, R / De Rossi, C / De Simone, R / Di Fiore, L / Di Giorgio, C / Di Giovanni, F / Di Giovanni, M / Di Girolamo, T / Diksha, D / Di Lieto, A / Di Michele, A / Ding, J / Di Pace, S / Di Palma, I / Di Renzo, F / D'Onofrio, L / Dooney, T / Dorosh, O / Drago, M / Ducoin, J-G / Dupletsa, U / Durante, O / D'Urso, D / Duverne, P-A / Eisenmann, M / Errico, L / Estevez, D / Fabrizi, F / Faedi, F / Fafone, V / Favaro, G / Fays, M / Fenyvesi, E / Ferrante, I / Fidecaro, F / Figura, P / Fiori, A / Fiori, I / Fittipaldi, R / Fiumara, V / Flaminio, R / Font, J A / Frasca, S / Frasconi, F / Freise, A / Freitas, O / Fronzé, G G / Gadre, B / Gamba, R / Garaventa, B / Garcia-Bellido, J / Gargiulo, J / Garufi, F / Gasbarra, C / Gemme, G / Gennai, A / Ghosh, Archisman / Giacoppo, L / Giri, P / Gissi, F / Gkaitatzis, S / Glotin, F / Goncharov, B / Gosselin, M / Gouaty, R / Grado, A / Granata, M / Granata, V / Greco, G / Grignani, G / Grimaldi, A / Guerra, D / Guetta, D / Guidi, G M / Gulminelli, F / Guo, Y / Gupta, P / Gutierrez, N / Haegel, L / Halim, O / Hannuksela, O / Harder, T / Haris, K / Harmark, T / Harms, J / Haskell, B / Heidmann, A / Heitmann, H / Hello, P / Hemming, G / Hennes, E / Hennig, J-S / Hennig, M / Hild, S / Hofman, D / Holland, N A / Hui, V / Iandolo, G A / Idzkowski, B / Iess, A / Iorio, G / Iosif, P / Jacqmin, T / Jacquet, P-E / Janquart, J / Janssens, K / Jaraba, S / Jaranowski, P / Jasal, P / Juste, V / Kalaghatgi, C / Karathanasis, C / Katsanevas, S / Kéfélian, F / Koekoek, G / Koley, S / Kolstein, M / Kranzhoff, S L / Królak, A / Kuijer, P / Kuroyanagi, S / Lagabbe, P / Laghi, D / Lalleman, M / Lamberts, A / La Rana, A / La Rosa, I / Lartaux-Vollard, A / Lazzaro, C / Leaci, P / Lemaître, A / Lenti, M / Leonova, E / Lequime, M / Leroy, N / Letendre, N / Lethuillier, M / Leyde, K / Linde, F / London, L / Longo, A / Portilla, M Lopez / Lorenzini, M / Loriette, V / Losurdo, G / Lumaca, D / Macquet, A / Magazzù, C / Maggiore, R / Magnozzi, M / Majorana, E / Man, N / Mangano, V / Mantovani, M / Mapelli, M / Marchesoni, F / Pina, D Marín / Marion, F / Marquina, A / Marsat, S / Martelli, F / Martinez, M / Martinez, V / Masserot, A / Mastrodicasa, M / Mastrogiovanni, S / Meijer, Q / Menendez-Vazquez, A / Mereni, L / Merzougui, M / Miani, A / Michel, C / Miller, A / Miller, B / Milotti, E / Minenkov, Y / Mir, Ll M / Miravet-Tenés, M / Mitchell, A L / Mondal, C / Montani, M / Morawski, F / Morras, G / Moscatello, A / Mours, B / Mow-Lowry, C M / Msihid, E / Muciaccia, F / Mukherjee, Suvodip / Nagar, A / Napolano, V / Nardecchia, I / Narola, H / Naticchioni, L / Neilson, J / Nesseris, S / Nguyen, C / Nieradka, G / Nissanke, S / Nitoglia, E / Nocera, F / Novak, J / No Siles, J F Nu / Oertel, M / Oganesyan, G / Oliveri, R / Orselli, M / Palomba, C / Pang, P T H / Pannarale, F / Paoletti, F / Paoli, A / Paolone, A / Pappas, G / Parisi, A / Pascucci, D / Pasqualetti, A / Passaquieti, R / Passuello, D / Patricelli, B / Pedurand, R / Pegna, R / Pegoraro, M / Perego, A / Pereira, A / Périgois, C / Perreca, A / Perriès, S / Perry, J W / Pesios, D / Petrillo, C / Phukon, K S / Piccinni, O J / Pichot, M / Piendibene, M / Piergiovanni, F / Pierini, L / Pierra, G / Pierro, V / Pillant, G / Pillas, M / Pilo, F / Pinard, L / Pinto, I M / Pinto, M / Piotrzkowski, K / Placidi, A / Placidi, E / Plastino, W / Poggiani, R / Polini, E / Porcelli, E / Portell, J / Porter, E K / Poulton, R / Pracchia, M / Pradier, T / Principe, M / Prodi, G A / Prosposito, P / Puecher, A / Punturo, M / Puosi, F / Puppo, P / Raaijmakers, G / Radulesco, N / Rapagnani, P / Razzano, M / Regimbau, T / Rei, L / Rettegno, P / Revenu, B / Reza, A / Rezaei, A S / Ricci, F / Rinaldi, S / Robinet, F / Rocchi, A / Rolland, L / Romanelli, M / Romano, R / Romero, A / Ronchini, S / Rosa, L / Rosińska, D / Roy, S / Rozza, D / Ruggi, P / Morales, E Ruiz / Saffarieh, P / Salafia, O S / Salconi, L / Salemi, F / Sallé, M / Samajdar, A / Sanchis-Gual, N / Sanuy, A / Sasli, A / Sassi, P / Sassolas, B / Sayah, S / Schmidt, S / Seglar-Arroyo, M / Sentenac, D / Sequino, V / Servignat, G / Setyawati, Y / Shcheblanov, N S / Sieniawska, M / Silenzi, L / Singh, N / Singha, A / Sipala, V / Soldateschi, J / Sordini, V / Sorrentino, F / Sorrentino, N / Soulard, R / Spagnuolo, V / Spera, M / Spinicelli, P / Stachie, C / Steer, D A / Steinlechner, J / Steinlechner, S / Stergioulas, N / Stratta, G / Suchenek, M / Sur, A / Suresh, J / Swinkels, B L / Syx, A / Szewczyk, P / Tacca, M / Tamanini, N / Tanasijczuk, A J / Martín, E N Tapia San / Taranto, C / Tonelli, M / Torres-Forné, A / E Melo, I Tosta / Tournefier, E / Trapananti, A / Travasso, F / Trenado, J / Tringali, M C / Troiano, L / Trovato, A / Trozzo, L / Tsang, K W / Turbang, K / Turconi, M / Turski, C / Ubach, H / Utina, A / Valentini, M / Vallero, S / van Bakel, N / van Beuzekom, M / van Dael, M / van den Brand, J F J / Van Den Broeck, C / van der Sluys, M / Van de Walle, A / van Dongen, J / van Haevermaet, H / van Heijningen, J V / van Ranst, Z / van Remortel, N / Vardaro, M / Vasúth, M / Vedovato, G / Verdier, P / Verkindt, D / Verma, P / Vetrano, F / Viceré, A / Vinet, J-Y / Viret, S / Virtuoso, A / Vocca, H / Walet, R C / Was, M / Yadav, N / Zadrożny, A / Zelenova, T / Zendri, J-P / Zhao, Y / Zerrad, M / Vahlbruch, H / Mehmet, M / Lück, H / Danzmann, K

Physical review letters

2023 Volume 131, Issue 4, Page(s) 41403

Abstract: 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. ... ...

Abstract	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.
Language	English
Publishing date	2023-07-05
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.131.041403
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Article ; Online: Quantum Backaction on kg-Scale Mirrors: Observation of Radiation Pressure Noise in the Advanced Virgo Detector.

Acernese, F / Agathos, M / Aiello, L / Ain, A / Allocca, A / Amato, A / Ansoldi, S / Antier, S / Arène, M / Arnaud, N / Ascenzi, S / Astone, P / Aubin, F / Babak, S / Badaracco, F / Bader, M K M / Bagnasco, S / Baird, J / Ballardin, G /

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Physical review letters

2020 Volume 125, Issue 13, Page(s) 131101

Abstract: The quantum radiation pressure and the quantum shot noise in laser-interferometric gravitational wave detectors constitute a macroscopic manifestation of the Heisenberg inequality. If quantum shot noise can be easily observed, the observation of quantum ... ...

Abstract	The quantum radiation pressure and the quantum shot noise in laser-interferometric gravitational wave detectors constitute a macroscopic manifestation of the Heisenberg inequality. If quantum shot noise can be easily observed, the observation of quantum radiation pressure noise has been elusive, so far, due to the technical noise competing with quantum effects. Here, we discuss the evidence of quantum radiation pressure noise in the Advanced Virgo gravitational wave detector. In our experiment, we inject squeezed vacuum states of light into the interferometer in order to manipulate the quantum backaction on the 42 kg mirrors and observe the corresponding quantum noise driven displacement at frequencies between 30 and 70 Hz. The experimental data, obtained in various interferometer configurations, is tested against the Advanced Virgo detector quantum noise model which confirmed the measured magnitude of quantum radiation pressure noise.
Language	English
Publishing date	2020-10-09
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.125.131101
Database	MEDical Literature Analysis and Retrieval System OnLINE

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