TY - JOUR
T1 - Four-photon quantum interferometry at a telecom wavelength
AU - Yabuno, Masahiro
AU - Shimizu, Ryosuke
AU - Mitsumori, Yasuyoshi
AU - Kosaka, Hideo
AU - Edamatsu, Keiichi
PY - 2012/7/5
Y1 - 2012/7/5
N2 - We report on an experimental demonstration of four-photon quantum interference using telecom-wavelength photons. The realization of multiphoton quantum interference is essential to linear optics quantum information processing and measurement-based quantum computing. We have developed a source that efficiently emits photon pairs in a pure spectrotemporal mode at a telecom-wavelength region, and have demonstrated quantum interference exhibiting reduced fringe intervals that correspond to a reduced de Broglie wavelength of up to the four-photon NOON state. Our result should open a path to practical quantum information processing using telecom-wavelength photons.
AB - We report on an experimental demonstration of four-photon quantum interference using telecom-wavelength photons. The realization of multiphoton quantum interference is essential to linear optics quantum information processing and measurement-based quantum computing. We have developed a source that efficiently emits photon pairs in a pure spectrotemporal mode at a telecom-wavelength region, and have demonstrated quantum interference exhibiting reduced fringe intervals that correspond to a reduced de Broglie wavelength of up to the four-photon NOON state. Our result should open a path to practical quantum information processing using telecom-wavelength photons.
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U2 - 10.1103/PhysRevA.86.010302
DO - 10.1103/PhysRevA.86.010302
M3 - Article
AN - SCOPUS:84863709673
SN - 1050-2947
VL - 86
JO - Physical Review A - Atomic, Molecular, and Optical Physics
JF - Physical Review A - Atomic, Molecular, and Optical Physics
IS - 1
M1 - 010302
ER -