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Dissimilar photons can bunch too

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Contrary to intuition, photons do not have to be indistinguishable for maximum photon bunching to occur. Partially indistinguishable photons can exhibit pronounced bunching.

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Fig. 1: A multimode interferometer realized with bulk beam-splitters and prisms, fed with N single photons.

Andrea Crespi

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Authors and Affiliations

  1. Dipartimento di Fisica, Politecnico di Milano and Istituto di Fotonica e Nanotecnologie — Consiglio Nazionale delle Ricerche (IFN-CNR), Milano, Italy

    Andrea Crespi

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  1. Andrea Crespi
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Correspondence to Andrea Crespi.

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Crespi, A. Dissimilar photons can bunch too. Nat. Photon. 17, 641–642 (2023). https://doi.org/10.1038/s41566-023-01258-1

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