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Publications (10 of 35) Show all publications
Gyger, S., Tao, M., Colangelo, M., Christen, I., Larocque, H., Zichi, J., . . . Errando-Herranz, C. (2024). Integrating superconducting single-photon detectors into active photonic circuits. In: Quantum Computing, Communication, and Simulation IV: . Paper presented at Quantum Computing, Communication, and Simulation IV 2024, San Francisco, United States of America, Januari 27 - February 1, 2024. SPIE-Intl Soc Optical Eng, Article ID 1291102.
Open this publication in new window or tab >>Integrating superconducting single-photon detectors into active photonic circuits
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2024 (English)In: Quantum Computing, Communication, and Simulation IV, SPIE-Intl Soc Optical Eng , 2024, article id 1291102Conference paper, Published paper (Refereed)
Abstract [en]

Large-scale quantum photonics requires the integration of several elements on the same chip, including quantum emitters and memories, active photonics, and single-photon detectors. In this talk, I will report on i) our recent work integrating superconducting nanowire single-photon detectors (SNSPD) with mechanically reconfigurable integrated photonics, and ii) our recently developed method for integration of SNSPDs onto arbitrary photonic substrates.

Place, publisher, year, edition, pages
SPIE-Intl Soc Optical Eng, 2024
Keywords
photonic integrated circuits, quantum photonics, single-photon detectors
National Category
Atom and Molecular Physics and Optics
Identifiers
urn:nbn:se:kth:diva-357138 (URN)10.1117/12.3009736 (DOI)001211753800001 ()2-s2.0-85210226636 (Scopus ID)
Conference
Quantum Computing, Communication, and Simulation IV 2024, San Francisco, United States of America, Januari 27 - February 1, 2024
Note

Part of ISBN 9781510670822

QC 20241205

Available from: 2024-12-04 Created: 2024-12-04 Last updated: 2024-12-05Bibliographically approved
Cui, G. D., Schweickert, L., Jöns, K. D., Namazi, M., Trotta, R., Rastelli, A., . . . Figueroa, E. (2023). Interfacing On-Demand Quantum Dot Single Photons with a Resonant Atomic Quantum Memory. In: Quantum 2.0: Proceedings Optica Quantum 2.0 Conference and Exhibition: . Paper presented at Optica Quantum 2.0 Conference and Exhibition, Quantum 2.0, Denver, United States of America, Jun 18 2023 - Jun 22 2023. Optica Publishing Group
Open this publication in new window or tab >>Interfacing On-Demand Quantum Dot Single Photons with a Resonant Atomic Quantum Memory
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2023 (English)In: Quantum 2.0: Proceedings Optica Quantum 2.0 Conference and Exhibition, Optica Publishing Group , 2023Conference paper, Published paper (Refereed)
Abstract [en]

We demonstrate coherent interactions between quantum dot single photons and a resonant 87Rb ensemble in the experiment and show an open quantum system analysis. These results could help build fast hybrid quantum networks.

Place, publisher, year, edition, pages
Optica Publishing Group, 2023
National Category
Physical Sciences
Identifiers
urn:nbn:se:kth:diva-346403 (URN)10.1364/QUANTUM.2023.QTh3B.7 (DOI)2-s2.0-85191439847 (Scopus ID)
Conference
Optica Quantum 2.0 Conference and Exhibition, Quantum 2.0, Denver, United States of America, Jun 18 2023 - Jun 22 2023
Note

QC 20240522

Part of ISBN 978-195717127-2

Available from: 2024-05-14 Created: 2024-05-14 Last updated: 2024-05-22Bibliographically approved
Gyger, S., Zeuner, K., Lettner, T., Bensoussan, S., Carlnäs, M., Ekemar, L., . . . Zwiller, V. (2023). Metropolitan Single-Photon Distribution at 1550 nm for Random Number Generation. In: 2023 Conference on Lasers and Electro-Optics, CLEO 2023: . Paper presented at 2023 Conference on Lasers and Electro-Optics, CLEO 2023, San Jose, United States of America, May 7 2023 - May 12 2023. Institute of Electrical and Electronics Engineers Inc., Article ID FM1A.3.
Open this publication in new window or tab >>Metropolitan Single-Photon Distribution at 1550 nm for Random Number Generation
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2023 (English)In: 2023 Conference on Lasers and Electro-Optics, CLEO 2023, Institute of Electrical and Electronics Engineers Inc. , 2023, article id FM1A.3Conference paper, Published paper (Refereed)
Abstract [en]

Quantum communication networks are used for QKD and metrological applications. We present research connecting two nodes ≈ 20 kilometers apart over the municipal fiber network using semiconductor quantum dots emitting at 1550 nm.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc., 2023
National Category
Communication Systems
Identifiers
urn:nbn:se:kth:diva-339983 (URN)2-s2.0-85176309005 (Scopus ID)
Conference
2023 Conference on Lasers and Electro-Optics, CLEO 2023, San Jose, United States of America, May 7 2023 - May 12 2023
Note

Part of ISBN 9781957171258

QC 20231124

Available from: 2023-11-24 Created: 2023-11-24 Last updated: 2023-11-24Bibliographically approved
Gyger, S., Zeuner, K., Lettner, T., Bensoussan, S., Carlnäs, M., Ekemar, L., . . . Zwiller, V. (2023). Metropolitan Single-Photon Distribution at 1550 nm for Random Number Generation. In: Quantum 2.0: Proceedings Optica Quantum 2.0 Conference and Exhibition: . Paper presented at Optica Quantum 2.0 Conference and Exhibition, Quantum 2.0, Denver, United States of America, Jun 18 2023 - Jun 22 2023. Optica Publishing Group
Open this publication in new window or tab >>Metropolitan Single-Photon Distribution at 1550 nm for Random Number Generation
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2023 (English)In: Quantum 2.0: Proceedings Optica Quantum 2.0 Conference and Exhibition, Optica Publishing Group , 2023Conference paper, Published paper (Refereed)
Abstract [en]

Quantum communication networks are used for QKD and metrological applications. We present research connecting two nodes ˜ 20 kilometers apart over the municipal fiber network using semiconductor quantum dots emitting at 1550 nm.

Place, publisher, year, edition, pages
Optica Publishing Group, 2023
National Category
Physical Sciences
Identifiers
urn:nbn:se:kth:diva-346412 (URN)10.1364/QUANTUM.2023.QW3A.4 (DOI)2-s2.0-85191421320 (Scopus ID)
Conference
Optica Quantum 2.0 Conference and Exhibition, Quantum 2.0, Denver, United States of America, Jun 18 2023 - Jun 22 2023
Note

Part of ISBN 9781957171272

QC 20240530

Available from: 2024-05-14 Created: 2024-05-14 Last updated: 2024-07-03Bibliographically approved
Gyger, S., Zeuner, K., Lettner, T., Carlnäs, M., Bensoussan, S., Ekemar, L., . . . Zwiller, V. (2023). Metropolitan Single-Photon Distribution at 1550 nm for Random Number Generation. In: CLEO: Fundamental Science, CLEO:FS 2023: . Paper presented at CLEO: Fundamental Science, CLEO:FS 2023 - Part of Conference on Lasers and Electro-Optics 2023, San Jose, United States of America, May 7 2023 - May 12 2023. Optica Publishing Group
Open this publication in new window or tab >>Metropolitan Single-Photon Distribution at 1550 nm for Random Number Generation
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2023 (English)In: CLEO: Fundamental Science, CLEO:FS 2023, Optica Publishing Group , 2023Conference paper, Published paper (Refereed)
Abstract [en]

Quantum communication networks are used for QKD and metrological applications. We present research connecting two nodes ≈ 20 kilometers apart over the municipal fiber network using semiconductor quantum dots emitting at 1550 nm.

Place, publisher, year, edition, pages
Optica Publishing Group, 2023
National Category
Physical Sciences
Identifiers
urn:nbn:se:kth:diva-349637 (URN)10.1364/CLEO_FS.2023.FM1A.3 (DOI)2-s2.0-85190970116 (Scopus ID)
Conference
CLEO: Fundamental Science, CLEO:FS 2023 - Part of Conference on Lasers and Electro-Optics 2023, San Jose, United States of America, May 7 2023 - May 12 2023
Note

Part of ISBN 9781957171258

QC 20240702

Available from: 2024-07-02 Created: 2024-07-02 Last updated: 2024-12-03Bibliographically approved
Prencipe, A., Gyger, S., Baghban, M. A., Zichi, J., Zeuner, K., Lettner, T., . . . Zwiller, V. (2023). Wavelength meter on thin film lithium niobate based on superconducting single photon detectors. In: 2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023: . Paper presented at 2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023, Munich, Germany, Jun 26 2023 - Jun 30 2023. Institute of Electrical and Electronics Engineers (IEEE)
Open this publication in new window or tab >>Wavelength meter on thin film lithium niobate based on superconducting single photon detectors
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2023 (English)In: 2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023, Institute of Electrical and Electronics Engineers (IEEE) , 2023Conference paper, Published paper (Refereed)
Abstract [en]

Photonic integrated circuits (PICs) present significant benefits with respect to table-top optical systems regarding footprint, stability, and power consumption. Among the materials used to fabricate PICs, thin film lithium niobate (TFLN) is one of the most attractive ones, as its χ(2) nonlinearity and electro-optic properties allow to implement on-chip light generation and routing [1]. On-chip detection of light has also been demonstrated on TFLN, based on the waveguide integration of superconducting nanowire single photon detectors (SNSPDs) [1]. Combining efficient detectors with TFLN nanophotonic waveguides holds promises for the realization of quantum photonics experiments fully on-chip. On the other hand, the sensitivity of SNSPDs changes with the wavelength of the detected photons [2], setting a boundary to the longest detectable wavelength and limiting the use of the wide transparency window of TFLN. However, this wavelength dependency in the response of SNSPDs can be leveraged to achieve new on-chip functionalities. In this work, by performing a straightforward analysis of the light signal measured at different bias currents [2], we operate hairpin SNSPDs on TFLN as waveguide-integrated wavelength-meters in the telecom bandwidth.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2023
National Category
Atom and Molecular Physics and Optics
Identifiers
urn:nbn:se:kth:diva-339693 (URN)10.1109/CLEO/EUROPE-EQEC57999.2023.10232497 (DOI)2-s2.0-85175732051 (Scopus ID)
Conference
2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023, Munich, Germany, Jun 26 2023 - Jun 30 2023
Note

Part of ISBN 9798350345995

QC 20231116

Available from: 2023-11-16 Created: 2023-11-16 Last updated: 2023-11-16Bibliographically approved
Prencipe, A., Gyger, S., Baghban, M. A., Zichi, J., Zeuner, K., Lettner, T., . . . Zwiller, V. (2023). Wavelength-Sensitive Superconducting Single-Photon Detectors on Thin Film Lithium Niobate Waveguides. Nano Letters, 23(21), 9748-9752
Open this publication in new window or tab >>Wavelength-Sensitive Superconducting Single-Photon Detectors on Thin Film Lithium Niobate Waveguides
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2023 (English)In: Nano Letters, ISSN 1530-6984, E-ISSN 1530-6992, Vol. 23, no 21, p. 9748-9752Article in journal (Refereed) Published
Abstract [en]

Lithium niobate, because of its nonlinear and electro-optical properties, is one of the materials of choice for photonic applications. The development of nanostructuring capabilities of thin film lithium niobate (TFLN) permits fabrication of small footprint, low-loss optical circuits. With the recent implementation of on-chip single-photon detectors, this architecture is among the most promising for realizing on-chip quantum optics experiments. In this Letter, we report on the implementation of superconducting nanowire single-photon detectors (SNSPDs) based on NbTiN on 300 nm thick TFLN ridge nano-waveguides. We demonstrate a waveguide-integrated wavelength meter based on the photon energy dependence of the superconducting detectors. The device operates at the telecom C- and L-bands and has a footprint smaller than 300 × 180 μm2 and critical currents between ∼12 and ∼14 μA, which ensures operation with minimum heat dissipation. Our results hold promise for future densely packed on-chip wavelength-multiplexed quantum communication systems.

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2023
Keywords
on-chip single-photon detector, on-chip wavelength meter, superconducting nanowire single-photon detector, thin film lithium niobate
National Category
Condensed Matter Physics
Identifiers
urn:nbn:se:kth:diva-340106 (URN)10.1021/acs.nanolett.3c02324 (DOI)001101957200001 ()37871304 (PubMedID)2-s2.0-85176509696 (Scopus ID)
Note

QC 20231128

Available from: 2023-11-28 Created: 2023-11-28 Last updated: 2024-03-29Bibliographically approved
Staffas, T., Brunzell, M., Gyger, S., Schweickert, L., Steinhauer, S. & Zwiller, V. (2022). 3D scanning quantum LIDAR. In: 2022 Conference on Lasers and Electro-Optics, CLEO 2022: Proceedings. Paper presented at 2022 Conference on Lasers and Electro-Optics, CLEO 2022, 15-20 May 2022. Institute of Electrical and Electronics Engineers Inc.
Open this publication in new window or tab >>3D scanning quantum LIDAR
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2022 (English)In: 2022 Conference on Lasers and Electro-Optics, CLEO 2022: Proceedings, Institute of Electrical and Electronics Engineers Inc. , 2022Conference paper, Published paper (Refereed)
Abstract [en]

Light Detection and Ranging (LIDAR) is a powerful imaging technique. By utilising a superconducting nanowire single photon detector (SNSPD) we construct a 3D scanning LIDAR system operating with eye-safe infrared laser pulses and millimeter precision. 

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc., 2022
Keywords
Nanowires, Optical radar, Photons, 3D-scanning, Eye-safe, Infrared-laser, Light detection and ranging, Light detection and ranging systems, Superconducting nanowire single photon detectors, Particle beams
National Category
Atom and Molecular Physics and Optics
Identifiers
urn:nbn:se:kth:diva-328338 (URN)2-s2.0-85139909023 (Scopus ID)
Conference
2022 Conference on Lasers and Electro-Optics, CLEO 2022, 15-20 May 2022
Note

QC 20230608

Available from: 2023-06-08 Created: 2023-06-08 Last updated: 2023-06-08Bibliographically approved
Staffas, T., Brunzell, M., Gyger, S., Schweickert, L., Steinhauer, S. & Zwiller, V. (2022). 3D scanning quantum LIDAR. In: Optics InfoBase Conference Papers: . Paper presented at CLEO: Applications and Technology, A and T 2022, San Jose, CA, USA, 15-20 May 2022. Optica Publishing Group (formerly OSA), Article ID AM2K.1.
Open this publication in new window or tab >>3D scanning quantum LIDAR
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2022 (English)In: Optics InfoBase Conference Papers, Optica Publishing Group (formerly OSA) , 2022, article id AM2K.1Conference paper, Published paper (Refereed)
Abstract [en]

Light Detection and Ranging (LIDAR) is a powerful imaging technique. By utilising a superconducting nanowire single photon detector (SNSPD) we construct a 3D scanning LIDAR system operating with eye-safe infrared laser pulses and millimeter precision.

Place, publisher, year, edition, pages
Optica Publishing Group (formerly OSA), 2022
National Category
Atom and Molecular Physics and Optics
Identifiers
urn:nbn:se:kth:diva-329738 (URN)2-s2.0-85136792017 (Scopus ID)
Conference
CLEO: Applications and Technology, A and T 2022, San Jose, CA, USA, 15-20 May 2022
Note

Part of ISBN 9781957171050

Syskonpost

Not duplicate with DiVA 1764020

QC 20230622

Available from: 2023-06-22 Created: 2023-06-22 Last updated: 2023-06-26Bibliographically approved
Gyger, S., Zeuner, K. D., Lettner, T., Bensoussan, S., Carlnäs, M., Ekemar, L., . . . Zwiller, V. (2022). Metropolitan single-photon distribution at 1550 nm for random number generation. Applied Physics Letters, 121(19), 194003, Article ID 194003.
Open this publication in new window or tab >>Metropolitan single-photon distribution at 1550 nm for random number generation
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2022 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 121, no 19, p. 194003-, article id 194003Article in journal (Refereed) Published
Abstract [en]

Quantum communication networks will connect future generations of quantum processors, enable metrological applications, and provide security through quantum key distribution. We present a testbed that is part of the municipal fiber network in the greater Stockholm metropolitan area for quantum resource distribution through a 20 km long fiber based on semiconductor quantum dots emitting in the telecom C-band. We utilize the service to generate random numbers passing the NIST test suite SP800-22 at a subscriber 8 km outside of the city with a bit rate of 23.4 kbit/s.

Place, publisher, year, edition, pages
AIP Publishing, 2022
National Category
Telecommunications
Identifiers
urn:nbn:se:kth:diva-322141 (URN)10.1063/5.0112939 (DOI)000884565500003 ()2-s2.0-85144398929 (Scopus ID)
Note

QC 20221202

Available from: 2022-12-02 Created: 2022-12-02 Last updated: 2023-06-08Bibliographically approved
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Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0002-1858-007x

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