Underdamped Josephson junction as a switching current detector

G. Oelsner, L.S. Revin, E. Il'ichev1, A.L. Pankratov (Corresponding Author), H.-G. Meyer, Leif Grönberg, Juha Hassel, L.S. Kuzmin

Research output: Contribution to journalArticleScientificpeer-review

18 Citations (Scopus)

Abstract

We demonstrate the narrow switching distribution of an underdamped Josephson junction from the zero to the finite voltage state at millikelvin temperatures. We argue that such junctions can be used as ultrasensitive detectors of the single photons in the GHz range, operating close to the quantum limit: a given initial (zero voltage) state can be driven by an incoming signal to the finite voltage state. The width of the switching distribution at a nominal temperature of about T = 10 mK was 4.5 nA, which corresponds to an effective noise temperature of the device below 60 mK.
Original languageEnglish
Article number142605
JournalApplied Physics Letters
Volume103
Issue number14
DOIs
Publication statusPublished - 2013
MoE publication typeA1 Journal article-refereed

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Josephson junctions
detectors
electric potential
noise temperature
temperature
photons

Keywords

  • electric sensing devices
  • superconducting device noise
  • superconducting junction devices
  • superconducting photodetectors

Cite this

Oelsner, G., Revin, L. S., Il'ichev1, E., Pankratov, A. L., Meyer, H-G., Grönberg, L., ... Kuzmin, L. S. (2013). Underdamped Josephson junction as a switching current detector. Applied Physics Letters, 103(14), [142605]. https://doi.org/10.1063/1.4824308
Oelsner, G. ; Revin, L.S. ; Il'ichev1, E. ; Pankratov, A.L. ; Meyer, H.-G. ; Grönberg, Leif ; Hassel, Juha ; Kuzmin, L.S. / Underdamped Josephson junction as a switching current detector. In: Applied Physics Letters. 2013 ; Vol. 103, No. 14.
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abstract = "We demonstrate the narrow switching distribution of an underdamped Josephson junction from the zero to the finite voltage state at millikelvin temperatures. We argue that such junctions can be used as ultrasensitive detectors of the single photons in the GHz range, operating close to the quantum limit: a given initial (zero voltage) state can be driven by an incoming signal to the finite voltage state. The width of the switching distribution at a nominal temperature of about T = 10 mK was 4.5 nA, which corresponds to an effective noise temperature of the device below 60 mK.",
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Oelsner, G, Revin, LS, Il'ichev1, E, Pankratov, AL, Meyer, H-G, Grönberg, L, Hassel, J & Kuzmin, LS 2013, 'Underdamped Josephson junction as a switching current detector', Applied Physics Letters, vol. 103, no. 14, 142605. https://doi.org/10.1063/1.4824308

Underdamped Josephson junction as a switching current detector. / Oelsner, G.; Revin, L.S.; Il'ichev1, E.; Pankratov, A.L. (Corresponding Author); Meyer, H.-G.; Grönberg, Leif; Hassel, Juha; Kuzmin, L.S.

In: Applied Physics Letters, Vol. 103, No. 14, 142605, 2013.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Underdamped Josephson junction as a switching current detector

AU - Oelsner, G.

AU - Revin, L.S.

AU - Il'ichev1, E.

AU - Pankratov, A.L.

AU - Meyer, H.-G.

AU - Grönberg, Leif

AU - Hassel, Juha

AU - Kuzmin, L.S.

N1 - Project code: 72785

PY - 2013

Y1 - 2013

N2 - We demonstrate the narrow switching distribution of an underdamped Josephson junction from the zero to the finite voltage state at millikelvin temperatures. We argue that such junctions can be used as ultrasensitive detectors of the single photons in the GHz range, operating close to the quantum limit: a given initial (zero voltage) state can be driven by an incoming signal to the finite voltage state. The width of the switching distribution at a nominal temperature of about T = 10 mK was 4.5 nA, which corresponds to an effective noise temperature of the device below 60 mK.

AB - We demonstrate the narrow switching distribution of an underdamped Josephson junction from the zero to the finite voltage state at millikelvin temperatures. We argue that such junctions can be used as ultrasensitive detectors of the single photons in the GHz range, operating close to the quantum limit: a given initial (zero voltage) state can be driven by an incoming signal to the finite voltage state. The width of the switching distribution at a nominal temperature of about T = 10 mK was 4.5 nA, which corresponds to an effective noise temperature of the device below 60 mK.

KW - electric sensing devices

KW - superconducting device noise

KW - superconducting junction devices

KW - superconducting photodetectors

U2 - 10.1063/1.4824308

DO - 10.1063/1.4824308

M3 - Article

VL - 103

JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 14

M1 - 142605

ER -

Oelsner G, Revin LS, Il'ichev1 E, Pankratov AL, Meyer H-G, Grönberg L et al. Underdamped Josephson junction as a switching current detector. Applied Physics Letters. 2013;103(14). 142605. https://doi.org/10.1063/1.4824308