Josephson Junctions in the Age of Quantum Discovery

• URL: http://arxiv.org/abs/2505.12724v1
• Date: Mon, 19 May 2025 05:27:16 GMT
• Title: Josephson Junctions in the Age of Quantum Discovery
• Authors: Hyunseong Kim, Gyunghyun Jang, Seungwon Jin, Dongbin Shin, Hyeon-Jin Shin, Jie Luo, Irfan Siddiqi, Yosep Kim, Hoon Hahn Yoon, Long B. Nguyen,
• Abstract summary: Josephson junctions have driven transformative advances in modern quantum technologies based on superconducting circuits.<n>These superconducting devices underpin developments across quantum computing, quantum sensing, and quantum communication.<n>This perspective explores the foundational role of Josephson junctions research in propelling quantum technologies forward.
• Score: 1.69674096782775
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The unique combination of energy conservation and nonlinear behavior exhibited by Josephson junctions has driven transformative advances in modern quantum technologies based on superconducting circuits. These superconducting devices underpin essential developments across quantum computing, quantum sensing, and quantum communication and open pathways to innovative applications in nonreciprocal electronics. These developments are enabled by recent breakthroughs in nanofabrication and characterization methodologies, substantially enhancing device performance and scalability. The resulting innovations reshape our understanding of quantum systems and enable practical applications. This perspective explores the foundational role of Josephson junctions research in propelling quantum technologies forward. We underscore the critical importance of synergistic progress in material science, device characterization, and nanofabrication to catalyze the next wave of breakthroughs and accelerate the transition from fundamental discoveries to industrial-scale quantum utilities. Drawing parallels with the transformative impact of transistor-based integrated circuits during the Information Age, we envision Josephson junction-based circuits as central to driving a similar revolution in the emerging Quantum Age.

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