Switching delay of a nonlatching Josephson gate evaluated from ring oscillator operation

Yoshinao Mizugaki; Koji Nakajima; Akira Shoji

doi:10.1109/77.740684

Switching delay of a nonlatching Josephson gate evaluated from ring oscillator operation

Yoshinao Mizugaki, Koji Nakajima, Akira Shoji

Research output: Contribution to journal › Review article › peer-review

1 Citation (Scopus)

Abstract

The authors present the experimental results for the switching delay of a dc-biased nonlatching Josephson gate (a coupled-superconducting quantum interference device gate). The measurement is executed by the use of a ring oscillator (RO) method. A frequency-to-voltage converter is used to evaluate the oscillation frequency of the RO. The circuit is designed and fabricated using a 2.5-kA/cm² Nb/AlO_x/Nb Josephson junction technology. The results show the minimum switching delay of 18 ps.

Original language	English
Pages (from-to)	188-191
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	8
Issue number	4
DOIs	https://doi.org/10.1109/77.740684
Publication status	Published - 1998
Externally published	Yes

Keywords

Circuit testing
Josephson logic
Non-latching Josephson gate
Ring oscillator
Superconducting circuits
Switching delay
dc-biasing

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/77.740684

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title = "Switching delay of a nonlatching Josephson gate evaluated from ring oscillator operation",

abstract = "The authors present the experimental results for the switching delay of a dc-biased nonlatching Josephson gate (a coupled-superconducting quantum interference device gate). The measurement is executed by the use of a ring oscillator (RO) method. A frequency-to-voltage converter is used to evaluate the oscillation frequency of the RO. The circuit is designed and fabricated using a 2.5-kA/cm2 Nb/AlOx/Nb Josephson junction technology. The results show the minimum switching delay of 18 ps.",

keywords = "Circuit testing, Josephson logic, Non-latching Josephson gate, Ring oscillator, Superconducting circuits, Switching delay, dc-biasing",

author = "Yoshinao Mizugaki and Koji Nakajima and Akira Shoji",

note = "Funding Information: Manuscript received April 28, 1998; revised August 3, 1998. This work was performed through Special Coordination Funds for promoting Science and Technology of the Science and Technology Agency of the Japanese Government. Y. Mizugaki and K. Nakajima are with the Laboratory for Electronic Intelligent Systems, Research Institute of Electrical Communication, Tohoku University, Sendai 980-8577, Japan. A. Shoji is with the Electrotechnical Laboratory, Tsukuba 305-8568, Japan. Publisher Item Identifier S 1051-8223(98)09477-9.",

year = "1998",

doi = "10.1109/77.740684",

language = "English",

volume = "8",

pages = "188--191",

journal = "IEEE Transactions on Applied Superconductivity",

issn = "1051-8223",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

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T1 - Switching delay of a nonlatching Josephson gate evaluated from ring oscillator operation

AU - Mizugaki, Yoshinao

AU - Nakajima, Koji

AU - Shoji, Akira

N1 - Funding Information: Manuscript received April 28, 1998; revised August 3, 1998. This work was performed through Special Coordination Funds for promoting Science and Technology of the Science and Technology Agency of the Japanese Government. Y. Mizugaki and K. Nakajima are with the Laboratory for Electronic Intelligent Systems, Research Institute of Electrical Communication, Tohoku University, Sendai 980-8577, Japan. A. Shoji is with the Electrotechnical Laboratory, Tsukuba 305-8568, Japan. Publisher Item Identifier S 1051-8223(98)09477-9.

PY - 1998

Y1 - 1998

N2 - The authors present the experimental results for the switching delay of a dc-biased nonlatching Josephson gate (a coupled-superconducting quantum interference device gate). The measurement is executed by the use of a ring oscillator (RO) method. A frequency-to-voltage converter is used to evaluate the oscillation frequency of the RO. The circuit is designed and fabricated using a 2.5-kA/cm2 Nb/AlOx/Nb Josephson junction technology. The results show the minimum switching delay of 18 ps.

AB - The authors present the experimental results for the switching delay of a dc-biased nonlatching Josephson gate (a coupled-superconducting quantum interference device gate). The measurement is executed by the use of a ring oscillator (RO) method. A frequency-to-voltage converter is used to evaluate the oscillation frequency of the RO. The circuit is designed and fabricated using a 2.5-kA/cm2 Nb/AlOx/Nb Josephson junction technology. The results show the minimum switching delay of 18 ps.

KW - Circuit testing

KW - Josephson logic

KW - Non-latching Josephson gate

KW - Ring oscillator

KW - Superconducting circuits

KW - Switching delay

KW - dc-biasing

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DO - 10.1109/77.740684

M3 - Review article

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VL - 8

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EP - 191

JO - IEEE Transactions on Applied Superconductivity

JF - IEEE Transactions on Applied Superconductivity

SN - 1051-8223

IS - 4

ER -

Switching delay of a nonlatching Josephson gate evaluated from ring oscillator operation

Abstract

Keywords

ASJC Scopus subject areas

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