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Fabrication and characterization of shunted μ-SQUID

Nikhil Kumar, T. Fournier, H. Courtois +1 more

In order to eliminate hysteresis, we have fabricated and characterized niobium based shunted micron size superconducting quantum interference devices (μ-SQUIDs). We find a wide temperature range where these μ-SQUIDs are non-hysteretic in nature and show a very good Ic vs. B oscillations in hysteretic regime and V vs. B oscillations in non-hysteretic regime. Here we report the characteristics of a shunted- μ-SQUID (Wf38LS72D5). In this device we have achieved a large voltage modulation, in non-hysteretic regime, at various temperatures including such as 1.1 mV at 6.62 K with a transfer function VΦ = 7.2mV/Φ0.The figures within the original article PDF file, as supplied to AIP Publishing, were affected by a PDF-processing error. Consequently, the article re-flowed and pagination increased from 3 to 4 pages. This article was updated on 14 May 2014 to correct the PDF-processing error, with the scientific content remaining unchanged. Readers are advised that the replacement article PDF file contains an additional blank page to preserve the original pagination.In order to eliminate hysteresis, we have fabricated and characterized niobium based shunted micron size superconducting quantum interference devices (μ-SQUIDs). We find a wide temperature range where these μ-SQUIDs are non-hysteretic in nature and show a very good Ic vs. B oscillations in hysteretic regime and V vs. B oscillations in non-hysteretic regime. Here we report the characteristics of a shunted- μ-SQUID (Wf38LS72D5). In this device we have achieved a large voltage modulation, in non-hysteretic regime, at various temperatures including such as 1.1 mV at 6.62 K with a transfer function VΦ = 7.2mV/Φ0.The figures within the original article PDF file, as supplied to AIP Publishing, were affected by a PDF-processing error. Consequently, the article re-flowed and pagination increased from 3 to 4 pages. This article was updated on 14 May 2014 to correct the PDF-processing error, with the scientific content remaining unchanged. Readers are advised that the replacement article PDF file contains an additional blank page to preserve the original pagination.

AIP conference proceedingsJan 1, 20142 citations

Entanglement for Two Dissipative Qubits

Xiufeng Li, Mao-Fa Fang

International Journal of Theoretical PhysicsJun 5, 20131 citation

Entanglement Dynamics and its Application for Two Qubits in Dissipative Environment

Z. Q. Chen, X. G. Yu, Guolan Fu +2 more

International Journal of Theoretical PhysicsJul 25, 20140 citations

Feasibility of entanglement-based QKD protocols with SPDC and quantum-dot sources

Mariia Gumberidze, Vladyslav C. Usenko

The PDF file article.pdf contains main published article and the supplements.pdf file contains supplementary materials. The corresponding software/computational notebooks are published on https://zenodo.org/records/20733083.

Oct 14, 20260 citations

Enforcing Thermal Entanglement of Three Coupled Qubits by Dissipation

An-Ge Wang, Wenshu Yang, Sheng-Fang Lv +3 more

International Journal of Theoretical PhysicsOct 30, 20161 citation

Wavefunction Collapse via Invocational Substrate Annihilation: A Two-Page Solution to the Quantum Measurement Problem

Trent Slade

This paper resolves the quantum measurement problem in two pages using Invocational Substrate Annihilation — a novel framework combining Glyphic Gravity, Astral Projection Correction, Fourth Substrate Symbolic Density Fields, and Mythotechnicx® Narrative Collapse Tensors within the SpiralMind® Resonance Lattice.Four operators are defined. Alpha is [a, b]. The proof cites Penrose. The corollary is provided without additional justification as the main proof was already quite long for two pages.This paper was inspired by a prior two-page solution to the same problem filed as test.pdf on Zenodo in December 2025. That paper did not define its operators. This paper defines its operators. The operators are Hogwarts-themed. This is an improvement.The measurement problem is now solved twice. The square is at the bottom of page one and also the bottom of page two.Filed as: test.pdfThis paper resolves the quantum measurement problem in two pages using Invocational Substrate Annihilation — a novel framework combining Glyphic Gravity, Astral Projection Correction, Fourth Substrate Symbolic Density Fields, and Mythotechnicx® Narrative Collapse Tensors within the SpiralMind® Resonance Lattice.Four operators are defined. Alpha is [a, b]. The proof cites Penrose. The corollary is provided without additional justification as the main proof was already quite long for two pages.This paper was inspired by a prior two-page solution to the same problem filed as test.pdf on Zenodo in December 2025. That paper did not define its operators. This paper defines its operators. The operators are Hogwarts-themed. This is an improvement.The measurement problem is now solved twice. The square is at the bottom of page one and also the bottom of page two.Filed as: test.pdf

Feb 12, 20260 citations

Entangling two qubits by dissipation

Abstract

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Entangling two qubits by dissipation

Abstract

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