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Nonreciprocal acoustic transmission in cascaded resonators via spatiotemporal modulation

Publication ,  Journal Article
Shen, C; Li, J; Jia, Z; Xie, Y; Cummer, SA
Published in: Physical Review B
April 22, 2019

Systems that break transport reciprocity have recently opened exciting possibilities for wave manipulation. Here we report nonreciprocal acoustic transmission in cascaded resonators that are modulated in space and time. An analytic approach is developed and the design strategy is discussed for realizing a physical system based on this approach. The theory is verified numerically by finite-difference time-domain (FDTD) simulations, with a one-way isolation factor greater than 25 dB out of just two resonators. Our work provides a feasible route to achieve nonreciprocal acoustic transmission in a compact manner.

Duke Scholars

Published In

Physical Review B

DOI

EISSN

2469-9969

ISSN

2469-9950

Publication Date

April 22, 2019

Volume

99

Issue

13

Related Subject Headings

  • 51 Physical sciences
  • 40 Engineering
  • 34 Chemical sciences
 

Citation

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Shen, C., Li, J., Jia, Z., Xie, Y., & Cummer, S. A. (2019). Nonreciprocal acoustic transmission in cascaded resonators via spatiotemporal modulation. Physical Review B, 99(13). https://doi.org/10.1103/PhysRevB.99.134306
Shen, C., J. Li, Z. Jia, Y. Xie, and S. A. Cummer. “Nonreciprocal acoustic transmission in cascaded resonators via spatiotemporal modulation.” Physical Review B 99, no. 13 (April 22, 2019). https://doi.org/10.1103/PhysRevB.99.134306.
Shen C, Li J, Jia Z, Xie Y, Cummer SA. Nonreciprocal acoustic transmission in cascaded resonators via spatiotemporal modulation. Physical Review B. 2019 Apr 22;99(13).
Shen, C., et al. “Nonreciprocal acoustic transmission in cascaded resonators via spatiotemporal modulation.” Physical Review B, vol. 99, no. 13, Apr. 2019. Scopus, doi:10.1103/PhysRevB.99.134306.
Shen C, Li J, Jia Z, Xie Y, Cummer SA. Nonreciprocal acoustic transmission in cascaded resonators via spatiotemporal modulation. Physical Review B. 2019 Apr 22;99(13).

Published In

Physical Review B

DOI

EISSN

2469-9969

ISSN

2469-9950

Publication Date

April 22, 2019

Volume

99

Issue

13

Related Subject Headings

  • 51 Physical sciences
  • 40 Engineering
  • 34 Chemical sciences