Measurement of reduced four-photon de Broglie wavelength at telecom wavelength
Masahiro Yabuno, Ryōsuke Shimizu, Yasuyoshi Mitsumori, Hideo Kosaka, Keiichi Edamatsu · 2011
In this context, we have developed an efficient photon-pair source designed for such multiphoton experiments at telecom wavelength. Making use of this source, we demonstrate the first measurement of reduced de Broglie wavelength of the four-photon state at the telecom wavelength.