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Ying-Cheng Chen

Research Fellow

Ying-Cheng Chen
Email: chenyc[at]pub.iams.sinica.edu.tw
Office: R310
Tel: +886-2-2366-8240
Lab: 330
Lab Tel: +886-2-2362-4943
Quantum Optics Laboratory

Research Interest

  • Quantum optics and quantum information science
  • Nonlinear optics at single-photon-level
  • High-performance optical quantum memory
  • Cooperative radiation phenomena, such as superradiance and subradiance

Research Overview

There are two ongoing projects in Dr. Ying-Cheng Chen’s research team. First, they are building a quantum processor based on two-dimensional single-atom arrays utilizing Rydberg dipolar interactions to entangle atom pairs. This is a national project on quantum technology. Second, they are working on high-performance optical quantum memory based on cold atomic ensembles. Previously, they have used the electromagnetically-induced-transparency protocol to realize a record- high memory efficiency of 92%. They plan to push the memory bandwidth towards GHz range utilizing superradiance-mediated memory protocol.

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Education

  • B.S., 1993, National Tsing Hua University, Taiwan
  • M.S., 1995, National Tsing Hua University, Taiwan
  • Ph.D., 2002, National Tsing Hua University, Taiwan

Professional History

  • Postdoctoral Research Fellow, Rice University (2002–2004)
  • Assistant Research Fellow, IAMS, Academia Sinica (2005–2013)
  • Associate Research Fellow, IAMS, Academia Sinica (2013–2021)
  • Research Fellow, IAMS,  Academia Sinica (2021–now)

Awards & Honors

  • The 17th Yu-Ziang Hsu Award on Papers of Science and Technology, 2019
Selected Publications
  1. P.-J. Tsai, Y.-F. Hsiao, and Y.-C. Chen*, "Quantum storage and manipulation of heralded single photons in atomic memories based on electromagnetically induced transparency", submitted to Phys. Rev. Research, 2, 033155(2020).
  2. Y.-C. Wei, S.-X. Lin, P.-J. Tsai, and Y.-C. Chen*, "Memory-based optical polarization conversion in a double- atomic system with degenerate Zeeman states", submitted to Scientific Reports, 10:13990(2020).
  3. P-J Tsai, and Y-C Chen*, "Ultrabright, narrow-band photon-pair source for atomic quantum memory", Quant Sci. and Techno., 3, 034005(2018).
  4. Y-F Hsiao, P-J Tsai, H-S, S-X Lin, C-C Hung, C-H Lee, Y-H Chen, Y-F Chen, I. A. Yu*, and Y-C Chen*, "Highly efficient coherent optical memory based on electromagnetically induced transparency", Phys. Rev. Lett. 120, 183602(2018).
  5. Y-F Hsiao, H-S Chen, P-J Tsai, and Y.-C. Chen*, "Cold atomic media with ultrahigh optical depths", Phys. Rev. A. 90, 055401(2014).
  6. B.-W. Hsiao, M.-C.. Wu, C.-C. Lin and Y.-C. Chen*, "Low-light-level cross-phase modulation with double slow light pulses". Phys. Rev. Lett. 106, 193006(2011).