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10 papers · 2 filters
Critical quantum geometric tensors of parametrically-driven nonlinear resonators
Hao-Long Zhang, Jia-Hao Lv, Ken Chen +4
Parametrically driven nonlinear resonators represent a building block for realizing fault-tolerant quantum computation and are useful for critical quantum sensing. From a fundament…
Quantum metric and metrology with parametrically-driven Tavis-Cummings models
Jia-Hao Lü, Pei-Rong Han, Wen Ning +5
We study the quantum metric in a driven Tavis-Cummings model, comprised of multiple qubits interacting with a quantized photonic field. The parametrical driving of the photonic fie…
Machine-learning-inspired quantum optimal control of nonadiabatic geometric quantum computation via reverse engineering
Meng-Yun Mao, Zheng Cheng, Yan Xia +2
Quantum control plays an irreplaceable role in practical use of quantum computers. However, some challenges have to be overcome to find more suitable and diverse control parameters…
Supervised learning for robust quantum control in composite-pulse systems
Zhi-Cheng Shi, Jun-Tong Ding, Ye-Hong Chen +4
In this work, we develop a supervised learning model for implementing robust quantum control in composite-pulse systems, where the training parameters can be either phases, detunin…
Critical sensing with a single bosonic mode without boson-boson interactions
Ken Chen, Jia-Hao Lü, Xin Zhu +4
Critical phenomena of quantum systems are useful for enhancement of quantum sensing. However, experimental realizations of criticality enhancement have been confined to very few sy…
Mechanical cooling in the bistable regime of a dissipative optomechanical cavity with a Kerr medium
Ye Liu, Yang Liu, Chang-Sheng Hu +3
In this paper, we study static bistability and mechanical cooling of a dissipative optomechanical cavity filled with a Kerr medium. The system exhibits optical bistability for a wi…