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Broadband optomechanical non-reciprocity

Implementing non-reciprocal elements with a bandwidth comparable to optical frequencies is a challenge in integrated photonics. Now, a phonon pump has been used to achieve optical non-reciprocity over a large bandwidth.

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Fig. 1: The experimental set-up and non-reciprocal interband transition scheme.


  1. Yu, Z. & Fan, S. Nat. Photon. 3, 91–94 (2009).

    Article  ADS  Google Scholar 

  2. Lira, H. et al. Phys. Rev. Lett. 109, 033901 (2012).

    Article  ADS  Google Scholar 

  3. Hafezi, M. & Rabl, P. Opt. Express 20, 7672–7684 (2012).

    Article  ADS  Google Scholar 

  4. Shen, Z. et al. Nat. Photon. 10, 657–661 (2016).

    Article  ADS  Google Scholar 

  5. Fang, K. et al. Nat. Phys. 13, 465–471 (2017).

    Article  Google Scholar 

  6. Kim, J. et al. Nat. Phys. 11, 275–280 (2015).

    Article  Google Scholar 

  7. Sohn, D. B., Kim, S. & Bahl, G. Nat. Photon. (2018).

Download references

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Correspondence to Mohammad Hafezi.

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Seif, A., Hafezi, M. Broadband optomechanical non-reciprocity. Nature Photon 12, 60–61 (2018).

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