4.5 Editorial Material

Speeding up generation of photon Fock state in a superconducting circuit via counterdiabatic driving

期刊

CHINESE PHYSICS B
卷 30, 期 4, 页码 -

出版社

IOP PUBLISHING LTD
DOI: 10.1088/1674-1056/abe297

关键词

photon Fock state; superconducting circuit; counterdiabatic driving

资金

  1. Key Research Project in Universities of Henan Province, China [19A140016, 20B140016]
  2. Natural Science Foundation of Henan Province, China [212300410388, 212300410238]
  3. 316 Project Plan of Xuchang University

向作者/读者索取更多资源

An efficient strategy for accelerating the generation of photon Fock states in a superconducting circuit is presented, using counterdiabatic driving and modifying the Rabi drivings within a shortcut to adiabaticity framework to achieve high efficiency operation. This scheme offers a promising way for deterministic preparation of photon Fock states with superconducting quantum circuits, which is significantly less susceptible to decoherence effects compared to adiabatic operations.
Optimal creation of photon Fock states is of importance for quantum information processing and state engineering. Here an efficient strategy is presented for speeding up generation of photon Fock state in a superconducting circuit via counterdiabatic driving. A transmon qubit is dispersively coupled to a quantized electrical field. We address a Lambda-configuration interaction between the composite system and classical drivings. Based on two Gaussian-shaped drivings, a single-photon Fock state can be generated adiabatically. Instead of adding an auxiliary counterdiabatic driving, our concern is to modify these two Rabi drivings in the framework of shortcut to adiabaticity. Thus an accelerated operation with high efficiency can be realized in a much shorter time. Compared with the adiabatic counterpart, the shortcut-based operation is significantly insusceptible to decoherence effects. The scheme could offer a promising way to deterministically prepare photon Fock states with superconducting quantum circuits.

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