The superconducting clock-circuit: Improving the coherence of Josephson radiation beyond the thermodynamic uncertainty relation
arXiv:2406.14435 · doi:10.21468/SciPostPhys.17.5.140
Abstract
In the field of superconducting electronics, the on-chip generation of AC radiation is essential for further advancements. Although a Josephson junction can emit AC radiation from a purely DC voltage bias, the coherence of this radiation is significantly limited by Johnson-Nyquist noise. We relate this limitation to the thermodynamic uncertainty relation (TUR) in the field of stochastic thermodynamics. Recent findings indicate that the thermodynamic uncertainty relation can be broken by a classical pendulum clock. We demonstrate how the violation of the TUR can be used as a design principle for radiation sources by showing that a superconducting clock circuit emits coherent AC radiation from a DC bias.
19 pages, 5 figures, Submission to SciPost
References in corpus (25)
- Thermodynamic uncertainty relation for biomolecular processes
- Fluxonium: single Cooper pair circuit free of charge offsets
- Keldysh Field Theory for Driven Open Quantum Systems
- Protected gates for superconducting qubits
- Current fluctuations and transport efficiency for general Langevin systems
- Thermodynamic Bounds on Precision in Ballistic Multi-Terminal Transport
- Experimental realization of an intrinsically error-protected superconducting qubit
- Realization of a system with metastable states of a capacitively-shunted fluxonium
- Demonstration of an ac Josephson junction laser
- Time-domain characterization and correction of on-chip distortion of control pulses in a quantum processor
- Entropic bounds on currents in Langevin systems
- Quantized current steps due to the a.c. coherent quantum phase-slip effect
- Antibunched photons emitted by a dc biased Josephson junction
- Classical pendulum clocks break the thermodynamic uncertainty relation
- Field Theory of Many-Body Lindbladian Dynamics
- Thermodynamic cost of external control
- Consistent Quantization of Nearly Singular Superconducting Circuits
- Protected qubit based on a superconducting current mirror
- A bright on-demand source of anti-bunched microwave photons based on inelastic Cooper pair tunneling
- Theory of the Josephson Junction Laser
- Dual Shapiro steps of a phase-slip junction in the presence of a parasitic capacitance
- Demonstration of dual Shapiro steps in small Josephson junctions
- Integrated and DC-powered superconducting microcomb
- Synchronization-induced violation of thermodynamic uncertainty relations
- On chip AC driving for dual Shapiro steps