Cavity QED with hybrid nanocircuits: from atomic-like physics to condensed matter phenomena
Circuit QED techniques have been instrumental in manipulating and probing with exquisite
sensitivity the quantum state of superconducting quantum bits coupled to microwave …
sensitivity the quantum state of superconducting quantum bits coupled to microwave …
Coherent microwave emission of gain-driven polaritons
By developing a gain-embedded cavity magnonics platform, we create a gain-driven
polariton (GDP) that is activated by an amplified electromagnetic field. Distinct effects of gain …
polariton (GDP) that is activated by an amplified electromagnetic field. Distinct effects of gain …
Demonstration of an ac Josephson junction laser
Superconducting electronic devices have reemerged as contenders for both classical and
quantum computing due to their fast operation speeds, low dissipation, and long coherence …
quantum computing due to their fast operation speeds, low dissipation, and long coherence …
A coherent nanomechanical oscillator driven by single-electron tunnelling
A single-electron transistor embedded in a nanomechanical resonator represents an
extreme limit of electron–phonon coupling. While it allows fast and sensitive …
extreme limit of electron–phonon coupling. While it allows fast and sensitive …
Integrated and DC-powered superconducting microcomb
CG Wang, W Xu, C Li, L Shi, J Jiang, T Guo… - Nature …, 2024 - nature.com
Frequency combs, specialized laser sources emitting multiple equidistant frequency lines,
have revolutionized science and technology with unprecedented precision and versatility …
have revolutionized science and technology with unprecedented precision and versatility …
Circuit QED with a quantum-dot charge qubit dressed by Cooper pairs
Coupling double-quantum-dot circuits to microwave cavities provides a powerful means to
control, couple, and manipulate qubits based on the charge or spin of individual electrons …
control, couple, and manipulate qubits based on the charge or spin of individual electrons …
Cavity photons as a probe for charge relaxation resistance and photon emission in a quantum dot coupled to normal and superconducting continua
Microwave cavities have been widely used to investigate the behavior of closed few-level
systems. Here, we show that they also represent a powerful probe for the dynamics of …
systems. Here, we show that they also represent a powerful probe for the dynamics of …
Parametric oscillation, frequency mixing, and injection locking of strongly coupled nanomechanical resonator modes
We study locking phenomena of two strongly coupled, high quality factor nanomechanical
resonator modes to a common parametric drive at a single drive frequency in different …
resonator modes to a common parametric drive at a single drive frequency in different …
A low-noise on-chip coherent microwave source
C Yan, J Hassel, V Vesterinen, J Zhang, J Ikonen… - Nature …, 2021 - nature.com
The scaling up of quantum computers operating in the microwave domain requires
advanced control electronics, and the use of integrated components that operate at the …
advanced control electronics, and the use of integrated components that operate at the …
Deriving Lindblad master equations with Keldysh diagrams: Correlated gain and loss in higher order perturbation theory
Motivated by correlated decay processes producing gain, loss, and lasing in driven
semiconductor quantum dots [Phys. Rev. Lett. 113, 036801 (2014) PRLTAO 0031-9007 …
semiconductor quantum dots [Phys. Rev. Lett. 113, 036801 (2014) PRLTAO 0031-9007 …