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Proceedings Paper

Quantum interaction-free measurement
Author(s): Zhi-Chuan Dong; Peng Zhuang
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Paper Abstract

"Interaction-free measurements" (IFM) originate from the latest quantum interferometric technologies. The latest research of quantum optics demonstrates, by using the complementary wavelike and particlelike natures of photons, it is possible to make interaction-free measurements by which the presence of an object can be determined with no photons being absorbed. The paper introduces the concept of "Interaction-free Measurement" (IFM), the original Elitzur-Vaidman scheme, the "High Efficiency Interaction-free Measurement", the application of quantum Zeno effect and the improved scheme proposed by Kwiat et al. The EV scheme is implemented in a Mach-Zehnder interferometer. Theoretically this paper also draws a conclusion in IFM feasibility by analyzing the wave functions of photon at various locations in the interferometer.

Paper Details

Date Published: 23 February 2006
PDF: 8 pages
Proc. SPIE 6150, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 61502U (23 February 2006); doi: 10.1117/12.676400
Show Author Affiliations
Zhi-Chuan Dong, Nanjing Institute of Astronomical Optics and Technology, CAS (China)
Chinese Academy of Sciences (China)
Peng Zhuang, Nanjing Institute of Astronomical Optics and Technology (China)
Chinese Academy of Sciences (China)


Published in SPIE Proceedings Vol. 6150:
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
Xun Hou; Jiahu Yuan; James C. Wyant; Hexin Wang; Sen Han, Editor(s)

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