Spectral control of nonclassical light pulses using an integrated thin-film lithium niobate modulator

Di Zhu; Changchen Chen; Mengjie Yu; Linbo Shao; Yaowen Hu; C. J. Xin; Matthew Yeh; Soumya Ghosh; Lingyan He; Christian Reimer; Neil Sinclair; Franco N. C. Wong; Mian Zhang; Marko Lončar

doi:10.1038/s41377-022-01029-7

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Spectral control of nonclassical light pulses using an integrated thin-film lithium niobate modulator

Original Articles

- Spectral control of nonclassical light pulses using an integrated thin-film lithium niobate modulator
- Light: Science & Applications Vol. 11, Issue 12, Pages: 2922-2930(2022)
- Affiliations：
  
  1.John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
  2.Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), Singapore, 138634, Singapore
  3.Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
  4.HyperLight Corporation, 1 Bow Street, Suite 420, Cambridge, MA, 02139, USA
  5.Division of Physics, Mathematics and Astronomy, and Alliance for Quantum Technologies (AQT), California Institute of Technology, Pasadena, CA, 91125, USA
- Author bio：
  
  Di Zhu (zhu_di@imre.a-star.edu.sg)
  Marko Lončar (loncar@seas.harvard.edu)
- Funds：
- DOI：10.1038/s41377-022-01029-7
  CLC：
- Published：31 December 2022，
  
  Published Online：17 November 2022，
  
  Received：25 June 2022，
  
  Revised：30 October 2022，
  
  Accepted：31 October 2022
- Accepted：
Scan QR Code
Zhu, D. et al. Spectral control of nonclassical light pulses using an integrated thin-film lithium niobate modulator. Light: Science & Applications, 11, 2922-2930 (2022).
DOI：

Zhu, D. et al. Spectral control of nonclassical light pulses using an integrated thin-film lithium niobate modulator. Light: Science & Applications, 11, 2922-2930 (2022). DOI： 10.1038/s41377-022-01029-7.

摘要

Abstract

Manipulating the frequency and bandwidth of nonclassical light is essential for implementing frequency-encoded/multiplexed quantum computation

communication

and networking protocols

and for bridging spectral mismatch among various quantum systems. However

quantum spectral control requires a strong nonlinearity mediated by light

microwave

or acoustics

which is challenging to realize with high efficiency

low noise

and on an integrated chip. Here

we demonstrate both frequency shifting and bandwidth compression of heralded single-photon pulses using an integrated thin-film lithium niobate (TFLN) phase modulator. We achieve record-high electro-optic frequency shearing of telecom single photons over terahertz range (±641 GHz or ±5.2 nm)

enabling high visibility quantum interference between frequency-nondegenerate photon pairs. We further operate the modulator as a time lens and demonstrate over eighteen-fold (6.55 nm to 0.35 nm) bandwidth compression of single photons. Our results showcase the viability and promise of on-chip quantum spectral control for scalable photonic quantum information processing.

关键词

Keywords

references

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