Quantum interference fringes beating the diffraction limit


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/49605

Title:	Quantum interference fringes beating the diffraction limit
Authors:	Kawabe, Yoshio Browse this author
	Fujiwara, Hideki Browse this author →KAKEN DB
	Okamoto, Ryo Browse this author →KAKEN DB
	Sasaki, Keiji Browse this author →KAKEN DB
	Takeuchi, Shigeki Browse this author →KAKEN DB
Issue Date:	17-Oct-2007
Publisher:	Optical Society of America
Journal Title:	Optics Express
Volume:	15
Issue:	21
Start Page:	14244
End Page:	14250
Publisher DOI:	10.1364/OE.15.014244
Abstract:	Spatially formed two-photon interference fringes with fringe periods smaller than the diffraction limit are demonstrated. In the experiment, a fringe formed by two-photon NOON states with wavelength λ=702.2 nm is observed using a specially developed near-field scanning optical microscope probe and two-photon detection setup. The observed fringe period of 328.2 nm is well below the diffraction limit (351 nm = λ/2). Another experiment with a path-length difference larger than the coherent length of photons confirms that the observed fringe is due to two-photon interference.
Rights:	©2007 Optical Society of America
Type:	article
URI:	http://hdl.handle.net/2115/49605
Appears in Collections:	電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 竹内繁樹

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