Tuning atom-field interaction via phase shaping

作     者：Cheng, Y.-T. Chien, C.-H. Hsieh, K.-M. Huang, Y.-H. Wen, P.Y. Lin, W.-J. Lu, Y. Aziz, F. Lee, C.-P. Lin, K.-T. Chen, C.-Y. Chen, J.C. Chuu, C.-S. Kockum, A.F. Lin, G.-D. Lin, Y.-H. Hoi, I.-C. 

作者机构：Department of Physics National Tsing Hua University Hsinchu30013 Taiwan Department of Physics National Chung Cheng University Chiayi621301 Taiwan  Chalmers University of Technology GothenburgSE-412 96 Sweden Department of Physics Center for Quantum Science and Engineering National Taiwan University Taipei10617 Taiwan Physics Division National Center for Theoretical Sciences Taipei10617 Taiwan Center for Quantum Technology National Tsing Hua University Hsinchu30013 Taiwan Trapped-Ion Quantum Computing Laboratory Hon Hai Research Institute Taipei11492 Taiwan Department of Physics City University of Hong Kong Tat Chee Avenue Kowloon Hong Kong 

出 版 物：《arXiv》 (arXiv)

年 卷 期：2023年

核心收录：

主　　题：Atoms 

摘      要：A coherent electromagnetic field can be described by its amplitude, frequency, and phase. All these properties can influence the interaction between the field and an atom. Here we demonstrate the phase shaping of microwaves that are scattered by a superconducting artificial atom coupled to the end of a semi-infinite 1D transmission line. In particular, we input a weak exponentially rising pulse with phase modulation to a transmon qubit. We observe that field-atom interaction can be tuned from nearly full interaction (interaction efficiency, i.e., amount of the field energy interacting with the atom, of 94.5 %) to effectively no interaction (interaction efficiency 3.5 %). Copyright © 2023, The Authors. All rights reserved.