Abstract

Two experiments of four-photon interference are performed with two pairs of photons from parametric downconversion with the help of asymmetric beam splitters. The first experiment is a generalization of the Hong–Ou–Mandel interference effect to two pairs of photons while the second one utilizes this effect to demonstrate a four-photon de Broglie wavelength of $\lambda ∕4$ by projection measurement.

© 2007 Optical Society of America

Interferometric optical path measurement of a glass wedge with single photons and biphotons

K. Schmid, H. Becker, W. Dultz, W. Martienssen, M. Kempe, and H. Schmitzer
Opt. Lett. 32(15) 2257-2259 (2007)

Preservation of photon indistinguishability after transmission through surface-plasmon-polariton waveguide

Go Fujii, Toshiya Segawa, Shigehiko Mori, Naoto Namekata, Daiji Fukuda, and Shuichiro Inoue
Opt. Lett. 37(9) 1535-1537 (2012)

Bright narrowband source of photon pairs at optical telecommunication wavelengths using a type-II periodically poled lithium niobate waveguide

Go Fujii, Naoto Namekata, Masayuki Motoya, Sunao Kurimura, and Shuichiro Inoue
Opt. Express 15(20) 12769-12776 (2007)

Two-photon quantum interference in the 1.5 μm telecommunication band

Seok-Beom Cho and Tae-Gon Noh
Opt. Express 15(12) 7591-7595 (2007)

Experimental observation of three-photon interference between a two-photon state and a weak coherent state on a beam splitter

Tingyu Li, Saburo Sakurai, Katsuyuki Kasai, Lirong Wang, Masayoshi Watanabe, and Yun Zhang
Opt. Express 26(16) 20442-20449 (2018)