Kavli Affiliate: Irfan Siddiqi
| First 5 Authors: Hyunseong Kim, Gyunghyun Jang, Seungwon Jin, Dongbin Shin, Hyeon-Jin Shin
| Summary:
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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