Detection of Coherent Terahertz Radiation from a High-Temperature Superconductor Josephson Junction by a Semiconductor Quantum-Dot Detector

R. Shaikhaidarov; V. N. Antonov; A. Casey; A. Kalaboukhov; S. Kubatkin; Y. Harada; K. Onomitsu; A. Tzalenchuk; A. Sobolev

doi:10.1103/PhysRevApplied.5.024010

Detection of Coherent Terahertz Radiation from a High-Temperature Superconductor Josephson Junction by a Semiconductor Quantum-Dot Detector

R. Shaikhaidarov, V. N. Antonov, A. Casey, A. Kalaboukhov, S. Kubatkin, Y. Harada, K. Onomitsu, A. Tzalenchuk, A. Sobolev

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

We examine the application of Josephson radiation emitters to spectral calibration of single-photon-resolving detectors. Josephson junctions are patterned in a YBCO film on a bicrystal sapphire substrate and are voltage controlled to generate radiation in the frequency range of 0.05-1 THz. The detector used in this work consists of a gate-defined quantum-dot photon-to-charge transducer coupled to a single-electron transistor. Both the emitter and the detector are equipped with a matching on-chip wide-band antenna. The combination of a tuneable emitter and detector allows us to determine the efficacy of the YBCO emitter and also to analyze the elementary processes involved in the detection.

Original language	English
Article number	024010
Journal	Physical Review Applied
Volume	5
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevApplied.5.024010
Publication status	Published - Feb 22 2016
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevApplied.5.024010

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Shaikhaidarov, R., Antonov, V. N., Casey, A., Kalaboukhov, A., Kubatkin, S., Harada, Y., Onomitsu, K., Tzalenchuk, A., & Sobolev, A. (2016). Detection of Coherent Terahertz Radiation from a High-Temperature Superconductor Josephson Junction by a Semiconductor Quantum-Dot Detector. Physical Review Applied, 5(2), Article 024010. https://doi.org/10.1103/PhysRevApplied.5.024010

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abstract = "We examine the application of Josephson radiation emitters to spectral calibration of single-photon-resolving detectors. Josephson junctions are patterned in a YBCO film on a bicrystal sapphire substrate and are voltage controlled to generate radiation in the frequency range of 0.05-1 THz. The detector used in this work consists of a gate-defined quantum-dot photon-to-charge transducer coupled to a single-electron transistor. Both the emitter and the detector are equipped with a matching on-chip wide-band antenna. The combination of a tuneable emitter and detector allows us to determine the efficacy of the YBCO emitter and also to analyze the elementary processes involved in the detection.",

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note = "Funding Information: The work is supported by EPSRC Grant No.EP/K016822/1. Publisher Copyright: {\textcopyright} 2016 American Physical Society.",

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AU - Antonov, V. N.

AU - Casey, A.

AU - Kalaboukhov, A.

AU - Kubatkin, S.

AU - Harada, Y.

AU - Onomitsu, K.

AU - Tzalenchuk, A.

AU - Sobolev, A.

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AB - We examine the application of Josephson radiation emitters to spectral calibration of single-photon-resolving detectors. Josephson junctions are patterned in a YBCO film on a bicrystal sapphire substrate and are voltage controlled to generate radiation in the frequency range of 0.05-1 THz. The detector used in this work consists of a gate-defined quantum-dot photon-to-charge transducer coupled to a single-electron transistor. Both the emitter and the detector are equipped with a matching on-chip wide-band antenna. The combination of a tuneable emitter and detector allows us to determine the efficacy of the YBCO emitter and also to analyze the elementary processes involved in the detection.

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Detection of Coherent Terahertz Radiation from a High-Temperature Superconductor Josephson Junction by a Semiconductor Quantum-Dot Detector

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