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Field-programmable silicon temporal cloak

Author

Listed:
  • Feng Zhou

    (Huazhong University of Science and Technology)

  • Siqi Yan

    (Huazhong University of Science and Technology)

  • Hailong Zhou

    (Huazhong University of Science and Technology)

  • Xu Wang

    (Huazhong University of Science and Technology)

  • Huaqing Qiu

    (Technical University of Denmark)

  • Jianji Dong

    (Huazhong University of Science and Technology)

  • Linjie Zhou

    (Shanghai Jiao Tong University)

  • Yunhong Ding

    (Technical University of Denmark)

  • Cheng-Wei Qiu

    (National University of Singapore
    NUS Suzhou Research Institute (NUSRI))

  • Xinliang Zhang

    (Huazhong University of Science and Technology)

Abstract

Temporal cloaks have aroused tremendous research interest in both optical physics and optical communications, unfolding a distinct approach to conceal temporal events from an interrogating optical field. The state-of-the-art temporal cloaks exhibit picosecond-scale and static cloaking window, owing to significantly limited periodicity and aperture of time lens. Here we demonstrate a field-programmable silicon temporal cloak for hiding nanosecond-level events, enabled by an integrated silicon microring and a broadband optical frequency comb. With dynamic control of the driving electrical signals on the microring, our cloaking windows could be stretched and switched in real time from 0.449 ns to 3.365 ns. Such a field-programmable temporal cloak may exhibit practically meaningful potentials in secure communication, data compression, and information protection in dynamically varying events.

Suggested Citation

  • Feng Zhou & Siqi Yan & Hailong Zhou & Xu Wang & Huaqing Qiu & Jianji Dong & Linjie Zhou & Yunhong Ding & Cheng-Wei Qiu & Xinliang Zhang, 2019. "Field-programmable silicon temporal cloak," Nature Communications, Nature, vol. 10(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-10521-5
    DOI: 10.1038/s41467-019-10521-5
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