--- _id: '13122' abstract: - lang: eng text: Data for submitted article "Entangling microwaves with light" at arXiv:2301.03315v1 article_processing_charge: No author: - first_name: Rishabh full_name: Sahu, Rishabh id: 47D26E34-F248-11E8-B48F-1D18A9856A87 last_name: Sahu orcid: 0000-0001-6264-2162 citation: ama: Sahu R. Entangling microwaves with light. 2023. doi:10.5281/ZENODO.7789417 apa: Sahu, R. (2023). Entangling microwaves with light. Zenodo. https://doi.org/10.5281/ZENODO.7789417 chicago: Sahu, Rishabh. “Entangling Microwaves with Light.” Zenodo, 2023. https://doi.org/10.5281/ZENODO.7789417. ieee: R. Sahu, “Entangling microwaves with light.” Zenodo, 2023. ista: Sahu R. 2023. Entangling microwaves with light, Zenodo, 10.5281/ZENODO.7789417. mla: Sahu, Rishabh. Entangling Microwaves with Light. Zenodo, 2023, doi:10.5281/ZENODO.7789417. short: R. Sahu, (2023). date_created: 2023-06-06T06:46:16Z date_published: 2023-03-31T00:00:00Z date_updated: 2023-08-02T06:08:56Z day: '31' department: - _id: JoFi doi: 10.5281/ZENODO.7789417 main_file_link: - open_access: '1' url: https://doi.org/10.5281/zenodo.7789418 month: '03' oa: 1 oa_version: Published Version publisher: Zenodo related_material: record: - id: '13106' relation: used_in_publication status: public status: public title: Entangling microwaves with light tmp: image: /images/cc_by.png legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0) short: CC BY (4.0) type: research_data_reference user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 year: '2023' ... --- _id: '13175' abstract: - lang: eng text: "About a 100 years ago, we discovered that our universe is inherently noisy, that is, measuring any physical quantity with a precision beyond a certain point is not possible because of an omnipresent inherent noise. We call this - the quantum noise. Certain physical processes allow this quantum noise to get correlated in conjugate physical variables. These quantum correlations can be used to go beyond the potential of our inherently noisy universe and obtain a quantum advantage over the classical applications. \r\n\r\nQuantum noise being inherent also means that, at the fundamental level, the physical quantities are not well defined and therefore, objects can stay in multiple states at the same time. For example, the position of a particle not being well defined means that the particle is in multiple positions at the same time. About 4 decades ago, we started exploring the possibility of using objects which can be in multiple states at the same time to increase the dimensionality in computation. Thus, the field of quantum computing was born. We discovered that using quantum entanglement, a property closely related to quantum correlations, can be used to speed up computation of certain problems, such as factorisation of large numbers, faster than any known classical algorithm. Thus began the pursuit to make quantum computers a reality. \r\n\r\nTill date, we have explored quantum control over many physical systems including photons, spins, atoms, ions and even simple circuits made up of superconducting material. However, there persists one ubiquitous theme. The more readily a system interacts with an external field or matter, the more easily we can control it. But this also means that such a system can easily interact with a noisy environment and quickly lose its coherence. Consequently, such systems like electron spins need to be protected from the environment to ensure the longevity of their coherence. Other systems like nuclear spins are naturally protected as they do not interact easily with the environment. But, due to the same reason, it is harder to interact with such systems. \r\n\r\nAfter decades of experimentation with various systems, we are convinced that no one type of quantum system would be the best for all the quantum applications. We would need hybrid systems which are all interconnected - much like the current internet where all sorts of devices can all talk to each other - but now for quantum devices. A quantum internet. \r\n\r\nOptical photons are the best contenders to carry information for the quantum internet. They can carry quantum information cheaply and without much loss - the same reasons which has made them the backbone of our current internet. Following this direction, many systems, like trapped ions, have already demonstrated successful quantum links over a large distances using optical photons. However, some of the most promising contenders for quantum computing which are based on microwave frequencies have been left behind. This is because high energy optical photons can adversely affect fragile low-energy microwave systems. \r\n\r\nIn this thesis, we present substantial progress on this missing quantum link between microwave and optics using electrooptical nonlinearities in lithium niobate. The nonlinearities are enhanced by using resonant cavities for all the involved modes leading to observation of strong direct coupling between optical and microwave frequencies. With this strong coupling we are not only able to achieve almost 100\\% internal conversion efficiency with low added noise, thus presenting a quantum-enabled transducer, but also we are able to observe novel effects such as cooling of a microwave mode using optics. The strong coupling regime also leads to direct observation of dynamical backaction effect between microwave and optical frequencies which are studied in detail here. Finally, we also report first observation of microwave-optics entanglement in form of two-mode squeezed vacuum squeezed 0.7dB below vacuum level. \r\nWith this new bridge between microwave and optics, the microwave-based quantum technologies can finally be a part of a quantum network which is based on optical photons - putting us one step closer to a future with quantum internet. " acknowledged_ssus: - _id: M-Shop - _id: SSU - _id: NanoFab alternative_title: - ISTA Thesis article_processing_charge: No author: - first_name: Rishabh full_name: Sahu, Rishabh id: 47D26E34-F248-11E8-B48F-1D18A9856A87 last_name: Sahu orcid: 0000-0001-6264-2162 citation: ama: Sahu R. Cavity quantum electrooptics. 2023. doi:10.15479/at:ista:13175 apa: Sahu, R. (2023). Cavity quantum electrooptics. Institute of Science and Technology Austria. https://doi.org/10.15479/at:ista:13175 chicago: Sahu, Rishabh. “Cavity Quantum Electrooptics.” Institute of Science and Technology Austria, 2023. https://doi.org/10.15479/at:ista:13175. ieee: R. Sahu, “Cavity quantum electrooptics,” Institute of Science and Technology Austria, 2023. ista: Sahu R. 2023. Cavity quantum electrooptics. Institute of Science and Technology Austria. mla: Sahu, Rishabh. Cavity Quantum Electrooptics. Institute of Science and Technology Austria, 2023, doi:10.15479/at:ista:13175. short: R. Sahu, Cavity Quantum Electrooptics, Institute of Science and Technology Austria, 2023. date_created: 2023-06-30T08:07:43Z date_published: 2023-05-05T00:00:00Z date_updated: 2023-08-24T11:16:35Z day: '05' ddc: - '537' - '535' - '539' degree_awarded: PhD department: - _id: GradSch - _id: JoFi doi: 10.15479/at:ista:13175 ec_funded: 1 file: - access_level: open_access checksum: 7d03f1a5a5258ee43dfc3323dea4e08f content_type: application/pdf creator: cchlebak date_created: 2023-06-30T08:17:25Z date_updated: 2023-06-30T08:17:25Z file_id: '13176' file_name: thesis_pdfa.pdf file_size: 18688376 relation: main_file success: 1 - access_level: closed checksum: c3b45317ae58e0527533f98c202d81b7 content_type: application/x-zip-compressed creator: cchlebak date_created: 2023-07-06T11:35:15Z date_updated: 2023-07-06T11:35:15Z file_id: '13196' file_name: thesis.zip file_size: 37847025 relation: source_file file_date_updated: 2023-07-06T11:35:15Z has_accepted_license: '1' keyword: - quantum optics - electrooptics - quantum networks - quantum communication - transduction language: - iso: eng month: '05' oa: 1 oa_version: Published Version page: '202' project: - _id: 26336814-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '758053' name: A Fiber Optic Transceiver for Superconducting Qubits - _id: 9B868D20-BA93-11EA-9121-9846C619BF3A call_identifier: H2020 grant_number: '899354' name: Quantum Local Area Networks with Superconducting Qubits - _id: bdb108fd-d553-11ed-ba76-83dc74a9864f name: QUANTUM INFORMATION SYSTEMS BEYOND CLASSICAL CAPABILITIES / P5- Integration of Superconducting Quantum Circuits publication_identifier: isbn: - 978-3-99078-030-5 issn: - 2663 - 337X publication_status: published publisher: Institute of Science and Technology Austria related_material: record: - id: '12900' relation: old_edition status: public - id: '10924' relation: part_of_dissertation status: public - id: '9114' relation: part_of_dissertation status: public status: public supervisor: - first_name: Johannes M full_name: Fink, Johannes M id: 4B591CBA-F248-11E8-B48F-1D18A9856A87 last_name: Fink orcid: 0000-0001-8112-028X title: Cavity quantum electrooptics tmp: image: /images/cc_by_nc_sa.png legal_code_url: https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode name: Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) short: CC BY-NC-SA (4.0) type: dissertation user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9 year: '2023' ... --- _id: '12900' abstract: - lang: eng text: "About a 100 years ago, we discovered that our universe is inherently noisy, that is, measuring any physical quantity with a precision beyond a certain point is not possible because of an omnipresent inherent noise. We call this - the quantum noise. Certain physical processes allow this quantum noise to get correlated in conjugate physical variables. These quantum correlations can be used to go beyond the potential of our inherently noisy universe and obtain a quantum advantage over the classical applications. \r\n\r\nQuantum noise being inherent also means that, at the fundamental level, the physical quantities are not well defined and therefore, objects can stay in multiple states at the same time. For example, the position of a particle not being well defined means that the particle is in multiple positions at the same time. About 4 decades ago, we started exploring the possibility of using objects which can be in multiple states at the same time to increase the dimensionality in computation. Thus, the field of quantum computing was born. We discovered that using quantum entanglement, a property closely related to quantum correlations, can be used to speed up computation of certain problems, such as factorisation of large numbers, faster than any known classical algorithm. Thus began the pursuit to make quantum computers a reality. \r\n\r\nTill date, we have explored quantum control over many physical systems including photons, spins, atoms, ions and even simple circuits made up of superconducting material. However, there persists one ubiquitous theme. The more readily a system interacts with an external field or matter, the more easily we can control it. But this also means that such a system can easily interact with a noisy environment and quickly lose its coherence. Consequently, such systems like electron spins need to be protected from the environment to ensure the longevity of their coherence. Other systems like nuclear spins are naturally protected as they do not interact easily with the environment. But, due to the same reason, it is harder to interact with such systems. \r\n\r\nAfter decades of experimentation with various systems, we are convinced that no one type of quantum system would be the best for all the quantum applications. We would need hybrid systems which are all interconnected - much like the current internet where all sorts of devices can all talk to each other - but now for quantum devices. A quantum internet. \r\n\r\nOptical photons are the best contenders to carry information for the quantum internet. They can carry quantum information cheaply and without much loss - the same reasons which has made them the backbone of our current internet. Following this direction, many systems, like trapped ions, have already demonstrated successful quantum links over a large distances using optical photons. However, some of the most promising contenders for quantum computing which are based on microwave frequencies have been left behind. This is because high energy optical photons can adversely affect fragile low-energy microwave systems. \r\n\r\nIn this thesis, we present substantial progress on this missing quantum link between microwave and optics using electrooptical nonlinearities in lithium niobate. The nonlinearities are enhanced by using resonant cavities for all the involved modes leading to observation of strong direct coupling between optical and microwave frequencies. With this strong coupling we are not only able to achieve almost 100\\% internal conversion efficiency with low added noise, thus presenting a quantum-enabled transducer, but also we are able to observe novel effects such as cooling of a microwave mode using optics. The strong coupling regime also leads to direct observation of dynamical backaction effect between microwave and optical frequencies which are studied in detail here. Finally, we also report first observation of microwave-optics entanglement in form of two-mode squeezed vacuum squeezed 0.7dB below vacuum level. \r\nWith this new bridge between microwave and optics, the microwave-based quantum technologies can finally be a part of a quantum network which is based on optical photons - putting us one step closer to a future with quantum internet. " acknowledged_ssus: - _id: M-Shop - _id: SSU - _id: NanoFab alternative_title: - ISTA Thesis article_processing_charge: No author: - first_name: Rishabh full_name: Sahu, Rishabh id: 47D26E34-F248-11E8-B48F-1D18A9856A87 last_name: Sahu orcid: 0000-0001-6264-2162 citation: ama: Sahu R. Cavity quantum electrooptics. 2023. doi:10.15479/at:ista:12900 apa: Sahu, R. (2023). Cavity quantum electrooptics. Institute of Science and Technology Austria. https://doi.org/10.15479/at:ista:12900 chicago: Sahu, Rishabh. “Cavity Quantum Electrooptics.” Institute of Science and Technology Austria, 2023. https://doi.org/10.15479/at:ista:12900. ieee: R. Sahu, “Cavity quantum electrooptics,” Institute of Science and Technology Austria, 2023. ista: Sahu R. 2023. Cavity quantum electrooptics. Institute of Science and Technology Austria. mla: Sahu, Rishabh. Cavity Quantum Electrooptics. Institute of Science and Technology Austria, 2023, doi:10.15479/at:ista:12900. short: R. Sahu, Cavity Quantum Electrooptics, Institute of Science and Technology Austria, 2023. date_created: 2023-05-05T11:08:50Z date_published: 2023-05-05T00:00:00Z date_updated: 2023-08-24T11:16:35Z day: '05' ddc: - '537' - '535' - '539' degree_awarded: PhD department: - _id: GradSch - _id: JoFi doi: 10.15479/at:ista:12900 ec_funded: 1 file: - access_level: closed checksum: 8cbdab9c37ee55e591092a6f66b272c4 content_type: application/x-zip-compressed creator: rsahu date_created: 2023-05-09T08:45:14Z date_updated: 2023-06-06T22:30:03Z embargo_to: open_access file_id: '12928' file_name: thesis.zip file_size: 36767177 relation: source_file - access_level: closed checksum: 439659ead46618147309be39d9dd5a8c content_type: application/pdf creator: rsahu date_created: 2023-05-09T08:51:17Z date_updated: 2023-07-06T11:37:40Z file_id: '12929' file_name: thesis_pdfa_final.pdf file_size: 17501990 relation: main_file file_date_updated: 2023-07-06T11:37:40Z has_accepted_license: '1' keyword: - quantum optics - electrooptics - quantum networks - quantum communication - transduction language: - iso: eng month: '05' oa_version: Published Version page: '190' project: - _id: 26336814-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '758053' name: A Fiber Optic Transceiver for Superconducting Qubits - _id: 9B868D20-BA93-11EA-9121-9846C619BF3A call_identifier: H2020 grant_number: '899354' name: Quantum Local Area Networks with Superconducting Qubits - _id: bdb108fd-d553-11ed-ba76-83dc74a9864f name: QUANTUM INFORMATION SYSTEMS BEYOND CLASSICAL CAPABILITIES / P5- Integration of Superconducting Quantum Circuits publication_identifier: isbn: - 978-3-99078-030-5 issn: - 2663 - 337X publication_status: published publisher: Institute of Science and Technology Austria related_material: record: - id: '13175' relation: new_edition status: public - id: '10924' relation: part_of_dissertation status: public - id: '9114' relation: part_of_dissertation status: public status: public supervisor: - first_name: Johannes M full_name: Fink, Johannes M id: 4B591CBA-F248-11E8-B48F-1D18A9856A87 last_name: Fink orcid: 0000-0001-8112-028X title: Cavity quantum electrooptics tmp: image: /images/cc_by_nc_sa.png legal_code_url: https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode name: Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) short: CC BY-NC-SA (4.0) type: dissertation user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9 year: '2023' ... --- _id: '13200' abstract: - lang: eng text: Recent quantum technologies have established precise quantum control of various microscopic systems using electromagnetic waves. Interfaces based on cryogenic cavity electro-optic systems are particularly promising, due to the direct interaction between microwave and optical fields in the quantum regime. Quantum optical control of superconducting microwave circuits has been precluded so far due to the weak electro-optical coupling as well as quasi-particles induced by the pump laser. Here we report the coherent control of a superconducting microwave cavity using laser pulses in a multimode electro-optical device at millikelvin temperature with near-unity cooperativity. Both the stationary and instantaneous responses of the microwave and optical modes comply with the coherent electro-optical interaction, and reveal only minuscule amount of excess back-action with an unanticipated time delay. Our demonstration enables wide ranges of applications beyond quantum transductions, from squeezing and quantum non-demolition measurements of microwave fields, to entanglement generation and hybrid quantum networks. acknowledgement: This work was supported by the European Research Council under grant agreement no. 758053 (ERC StG QUNNECT), the European Union’s Horizon 2020 research and innovation program under grant agreement no. 899354 (FETopen SuperQuLAN), and the Austrian Science Fund (FWF) through BeyondC (F7105). L.Q. acknowledges generous support from the ISTFELLOW programme. W.H. is the recipient of an ISTplus postdoctoral fellowship with funding from the European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie grant agreement no. 754411. G.A. is the recipient of a DOC fellowship of the Austrian Academy of Sciences at IST Austria. article_number: '3784' article_processing_charge: No article_type: original author: - first_name: Liu full_name: Qiu, Liu id: 45e99c0d-1eb1-11eb-9b96-ed8ab2983cac last_name: Qiu orcid: 0000-0003-4345-4267 - first_name: Rishabh full_name: Sahu, Rishabh id: 47D26E34-F248-11E8-B48F-1D18A9856A87 last_name: Sahu orcid: 0000-0001-6264-2162 - first_name: William J full_name: Hease, William J id: 29705398-F248-11E8-B48F-1D18A9856A87 last_name: Hease orcid: 0000-0001-9868-2166 - first_name: Georg M full_name: Arnold, Georg M id: 3770C838-F248-11E8-B48F-1D18A9856A87 last_name: Arnold orcid: 0000-0003-1397-7876 - first_name: Johannes M full_name: Fink, Johannes M id: 4B591CBA-F248-11E8-B48F-1D18A9856A87 last_name: Fink orcid: 0000-0001-8112-028X citation: ama: Qiu L, Sahu R, Hease WJ, Arnold GM, Fink JM. Coherent optical control of a superconducting microwave cavity via electro-optical dynamical back-action. Nature Communications. 2023;14. doi:10.1038/s41467-023-39493-3 apa: Qiu, L., Sahu, R., Hease, W. J., Arnold, G. M., & Fink, J. M. (2023). Coherent optical control of a superconducting microwave cavity via electro-optical dynamical back-action. Nature Communications. Nature Research. https://doi.org/10.1038/s41467-023-39493-3 chicago: Qiu, Liu, Rishabh Sahu, William J Hease, Georg M Arnold, and Johannes M Fink. “Coherent Optical Control of a Superconducting Microwave Cavity via Electro-Optical Dynamical Back-Action.” Nature Communications. Nature Research, 2023. https://doi.org/10.1038/s41467-023-39493-3. ieee: L. Qiu, R. Sahu, W. J. Hease, G. M. Arnold, and J. M. Fink, “Coherent optical control of a superconducting microwave cavity via electro-optical dynamical back-action,” Nature Communications, vol. 14. Nature Research, 2023. ista: Qiu L, Sahu R, Hease WJ, Arnold GM, Fink JM. 2023. Coherent optical control of a superconducting microwave cavity via electro-optical dynamical back-action. Nature Communications. 14, 3784. mla: Qiu, Liu, et al. “Coherent Optical Control of a Superconducting Microwave Cavity via Electro-Optical Dynamical Back-Action.” Nature Communications, vol. 14, 3784, Nature Research, 2023, doi:10.1038/s41467-023-39493-3. short: L. Qiu, R. Sahu, W.J. Hease, G.M. Arnold, J.M. Fink, Nature Communications 14 (2023). date_created: 2023-07-09T22:01:11Z date_published: 2023-06-24T00:00:00Z date_updated: 2023-10-17T11:46:12Z day: '24' ddc: - '000' department: - _id: JoFi doi: 10.1038/s41467-023-39493-3 ec_funded: 1 external_id: arxiv: - '2210.12443' isi: - '001018100800002' pmid: - '37355691' file: - access_level: open_access checksum: ec7ccd2c08f90d59cab302fd0d7776a4 content_type: application/pdf creator: alisjak date_created: 2023-07-10T10:10:54Z date_updated: 2023-07-10T10:10:54Z file_id: '13206' file_name: 2023_NatureComms_Qiu.pdf file_size: 1349134 relation: main_file success: 1 file_date_updated: 2023-07-10T10:10:54Z has_accepted_license: '1' intvolume: ' 14' isi: 1 language: - iso: eng month: '06' oa: 1 oa_version: Published Version pmid: 1 project: - _id: 26336814-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '758053' name: A Fiber Optic Transceiver for Superconducting Qubits - _id: 9B868D20-BA93-11EA-9121-9846C619BF3A call_identifier: H2020 grant_number: '899354' name: Quantum Local Area Networks with Superconducting Qubits - _id: bdb108fd-d553-11ed-ba76-83dc74a9864f name: QUANTUM INFORMATION SYSTEMS BEYOND CLASSICAL CAPABILITIES / P5- Integration of Superconducting Quantum Circuits - _id: 260C2330-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '754411' name: ISTplus - Postdoctoral Fellowships - _id: 25681D80-B435-11E9-9278-68D0E5697425 call_identifier: FP7 grant_number: '291734' name: International IST Postdoc Fellowship Programme - _id: 2671EB66-B435-11E9-9278-68D0E5697425 name: Coherent on-chip conversion of superconducting qubit signals from microwaves to optical frequencies publication: Nature Communications publication_identifier: eissn: - 2041-1723 publication_status: published publisher: Nature Research quality_controlled: '1' scopus_import: '1' status: public title: Coherent optical control of a superconducting microwave cavity via electro-optical dynamical back-action tmp: image: /images/cc_by.png legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0) short: CC BY (4.0) type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 14 year: '2023' ... --- _id: '14517' abstract: - lang: eng text: 'State-of-the-art transmon qubits rely on large capacitors, which systematically improve their coherence due to reduced surface-loss participation. However, this approach increases both the footprint and the parasitic cross-coupling and is ultimately limited by radiation losses—a potential roadblock for scaling up quantum processors to millions of qubits. In this work we present transmon qubits with sizes as low as 36 × 39 µm2 with 100-nm-wide vacuum-gap capacitors that are micromachined from commercial silicon-on-insulator wafers and shadow evaporated with aluminum. We achieve a vacuum participation ratio up to 99.6% in an in-plane design that is compatible with standard coplanar circuits. Qubit relaxationtime measurements for small gaps with high zero-point electric field variance of up to 22 V/m reveal a double exponential decay indicating comparably strong qubit interaction with long-lived two-level systems. The exceptionally high selectivity of up to 20 dB to the superconductor-vacuum interface allows us to precisely back out the sub-single-photon dielectric loss tangent of aluminum oxide previously exposed to ambient conditions. In terms of future scaling potential, we achieve a ratio of qubit quality factor to a footprint area equal to 20 µm−2, which is comparable with the highest T1 devices relying on larger geometries, a value that could improve substantially for lower surface-loss superconductors. ' acknowledged_ssus: - _id: NanoFab acknowledgement: "This work was supported by the Austrian Science Fund (FWF) through BeyondC (F7105), the European Research Council under Grant Agreement No. 758053 (ERC StG QUNNECT) and a NOMIS foundation research grant. M.Z. was the recipient of a SAIA scholarship, E.R. of\r\na DOC fellowship of the Austrian Academy of Sciences, and M.P. of a Pöttinger scholarship at IST Austria. S.B. acknowledges support from Marie Skłodowska Curie Program No. 707438 (MSC-IF SUPEREOM). J.M.F. acknowledges support from the Horizon Europe Program HORIZON-CL4-2022-QUANTUM-01-SGA via Project No. 101113946 OpenSuperQPlus100 and the ISTA Nanofabrication Facility." article_number: '044054' article_processing_charge: No article_type: original author: - first_name: Martin full_name: Zemlicka, Martin id: 2DCF8DE6-F248-11E8-B48F-1D18A9856A87 last_name: Zemlicka - first_name: Elena full_name: Redchenko, Elena id: 2C21D6E8-F248-11E8-B48F-1D18A9856A87 last_name: Redchenko - first_name: Matilda full_name: Peruzzo, Matilda id: 3F920B30-F248-11E8-B48F-1D18A9856A87 last_name: Peruzzo orcid: 0000-0002-3415-4628 - first_name: Farid full_name: Hassani, Farid id: 2AED110C-F248-11E8-B48F-1D18A9856A87 last_name: Hassani orcid: 0000-0001-6937-5773 - first_name: Andrea full_name: Trioni, Andrea id: 42F71B44-F248-11E8-B48F-1D18A9856A87 last_name: Trioni - first_name: Shabir full_name: Barzanjeh, Shabir id: 2D25E1F6-F248-11E8-B48F-1D18A9856A87 last_name: Barzanjeh orcid: 0000-0003-0415-1423 - first_name: Johannes M full_name: Fink, Johannes M id: 4B591CBA-F248-11E8-B48F-1D18A9856A87 last_name: Fink orcid: 0000-0001-8112-028X citation: ama: 'Zemlicka M, Redchenko E, Peruzzo M, et al. Compact vacuum-gap transmon qubits: Selective and sensitive probes for superconductor surface losses. Physical Review Applied. 2023;20(4). doi:10.1103/PhysRevApplied.20.044054' apa: 'Zemlicka, M., Redchenko, E., Peruzzo, M., Hassani, F., Trioni, A., Barzanjeh, S., & Fink, J. M. (2023). Compact vacuum-gap transmon qubits: Selective and sensitive probes for superconductor surface losses. Physical Review Applied. American Physical Society. https://doi.org/10.1103/PhysRevApplied.20.044054' chicago: 'Zemlicka, Martin, Elena Redchenko, Matilda Peruzzo, Farid Hassani, Andrea Trioni, Shabir Barzanjeh, and Johannes M Fink. “Compact Vacuum-Gap Transmon Qubits: Selective and Sensitive Probes for Superconductor Surface Losses.” Physical Review Applied. American Physical Society, 2023. https://doi.org/10.1103/PhysRevApplied.20.044054.' ieee: 'M. Zemlicka et al., “Compact vacuum-gap transmon qubits: Selective and sensitive probes for superconductor surface losses,” Physical Review Applied, vol. 20, no. 4. American Physical Society, 2023.' ista: 'Zemlicka M, Redchenko E, Peruzzo M, Hassani F, Trioni A, Barzanjeh S, Fink JM. 2023. Compact vacuum-gap transmon qubits: Selective and sensitive probes for superconductor surface losses. Physical Review Applied. 20(4), 044054.' mla: 'Zemlicka, Martin, et al. “Compact Vacuum-Gap Transmon Qubits: Selective and Sensitive Probes for Superconductor Surface Losses.” Physical Review Applied, vol. 20, no. 4, 044054, American Physical Society, 2023, doi:10.1103/PhysRevApplied.20.044054.' short: M. Zemlicka, E. Redchenko, M. Peruzzo, F. Hassani, A. Trioni, S. Barzanjeh, J.M. Fink, Physical Review Applied 20 (2023). date_created: 2023-11-12T23:00:55Z date_published: 2023-10-20T00:00:00Z date_updated: 2023-11-13T09:22:47Z day: '20' department: - _id: JoFi doi: 10.1103/PhysRevApplied.20.044054 ec_funded: 1 external_id: arxiv: - '2206.14104' intvolume: ' 20' issue: '4' language: - iso: eng main_file_link: - open_access: '1' url: https://arxiv.org/abs/2206.14104 month: '10' oa: 1 oa_version: Preprint project: - _id: 26927A52-B435-11E9-9278-68D0E5697425 call_identifier: FWF grant_number: F07105 name: Integrating superconducting quantum circuits - _id: 26336814-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '758053' name: A Fiber Optic Transceiver for Superconducting Qubits - _id: eb9b30ac-77a9-11ec-83b8-871f581d53d2 name: Protected states of quantum matter - _id: 258047B6-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '707438' name: 'Microwave-to-Optical Quantum Link: Quantum Teleportation and Quantum Illumination with cavity Optomechanics SUPEREOM' - _id: bdb7cfc1-d553-11ed-ba76-d2eaab167738 grant_number: '101080139' name: Open Superconducting Quantum Computers (OpenSuperQPlus) publication: Physical Review Applied publication_identifier: eissn: - 2331-7019 publication_status: published publisher: American Physical Society quality_controlled: '1' related_material: record: - id: '14520' relation: research_data status: public scopus_import: '1' status: public title: 'Compact vacuum-gap transmon qubits: Selective and sensitive probes for superconductor surface losses' type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 20 year: '2023' ...