81 citations · 192 across the 10 of their papers we have counts for
10 papers
Reflection-less filter for superconducting quantum circuits
Jessica Kedziora, Eric Q. Bui, Alec Yen +4
Protecting superconducting quantum circuits from non-ideal return loss, including out-of-band circulator behavior and enhancing the performance of broadband quantum-limited amplifi…
Variable Frequency Pulse Generation from Breathers in Josephson Transmission Lines
Gregory Cunningham, Yufeng Ye, Kaidong Peng +3
Single flux quantum technology has the potential to enhance readout and control of superconducting quantum systems due to their low energy consumption, high speed, and cryogenic op…
High-Efficiency, Low-Loss Floquet-mode Traveling Wave Parametric Amplifier
Jennifer Wang, Kaidong Peng, Jeffrey M. Knecht +12
Advancing fault-tolerant quantum computing and fundamental science necessitates quantum-limited amplifiers with near-ideal quantum efficiency and multiplexing capability. However,…
Interferometric Purcell suppression of spontaneous emission in a superconducting qubit
Alec Yen, Yufeng Ye, Kaidong Peng +8
In superconducting qubits, suppression of spontaneous emission is essential to achieve fast dispersive measurement and reset without sacrificing qubit lifetime. We show that resona…
Directional emission of a readout resonator for qubit measurement
Alec Yen, Yufeng Ye, Kaidong Peng +8
We propose and demonstrate transmission-based dispersive readout of a superconducting qubit using an all-pass resonator, which preferentially emits readout photons toward the outpu…
X-parameter based design and simulation of Josephson traveling-wave parametric amplifiers for quantum computing applications
Kaidong Peng, Rick Poore, Philip Krantz +2
We present an efficient, accurate, and comprehensive analysis framework for generic, multi-port nonlinear parametric circuits, in the presence of dissipation from lossy circuit com…
Broadband Squeezed Microwaves and Amplification with a Josephson Traveling-Wave Parametric Amplifier
Jack Y. Qiu, Arne Grimsmo, Kaidong Peng +16
Squeezing of the electromagnetic vacuum is an essential metrological technique used to reduce quantum noise in applications spanning gravitational wave detection, biological micros…
Floquet-Mode Traveling-Wave Parametric Amplifiers
Kaidong Peng, Mahdi Naghiloo, Jennifer Wang +3
Simultaneous ideal quantum measurements of multiple single-photon-level signals would advance applications in quantum information processing, metrology, and astronomy, but require…
Broadband Microwave Isolation with Adiabatic Mode Conversion in Coupled Superconducting Transmission Lines
Mahdi Naghiloo, Kaidong Peng, Yufeng Ye +2
We propose a traveling wave scheme for broadband microwave isolation using parametric mode conversion in conjunction with adiabatic phase matching technique in a pair of coupled no…
Engineering Purely Nonlinear Coupling with the Quarton
Yufeng Ye, Kaidong Peng, Mahdi Naghiloo +2
Strong nonlinear coupling of superconducting qubits and/or photons is a critical building block for quantum information processing. Due to the perturbative nature of the Josephson…