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Proceedings Paper

Analyzing the extreme limit of the light signal transmitting in the optical fiber based on the quantum electrodynamics
Author(s): Wu Jia; Yong Zhou; Yongjun Zhang; Ronghua Xu; Mingchao Zhang; Shuxiao Guo; Hui Xue; Wanyi Gu
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Paper Abstract

The key of analyzing the light signal transmitting in fiber is the interaction and correlation between them. At present, we must consider the medium and the light field as one united system. Its strict physical theory is the quantum electrodynamics (QED), to process the light field and medium to second quantization. The quantum theory is considering both the medium and the light field as quantum wave function, so we can discuss the extreme limit frequency and distance. In the analyzing of extreme limit frequency, we can get it by considering two situations: the first is the photoelectric effect between light signal and fiber medium, the second is the transmission effect of high frequency incident light. In the analyzing of extreme limit of light signal distance, we will consider the interaction of the electron and the light field. We apply the theory and formula of scattering section. We analyze the colliding mechanism of particles in medium. We calculate the transmitting situation of photon energy according the energy and momentum reservation laws. According to the maximum frequency shift of light which is allowed by optical receiver, we can get the extreme limit distance of signal transmitting.

Paper Details

Date Published: 21 September 2006
PDF: 10 pages
Proc. SPIE 6353, Optical Transmission, Switching, and Subsystems IV, 63531L (21 September 2006); doi: 10.1117/12.689091
Show Author Affiliations
Wu Jia, Beijing Univ. of Posts and Telecommunications (China)
Yong Zhou, Beijing Univ. of Posts and Telecommunications (China)
Yongjun Zhang, Beijing Univ. of Posts and Telecommunications (China)
Ronghua Xu, Beijing Univ. of Posts and Telecommunications (China)
Mingchao Zhang, Beijing Univ. of Posts and Telecommunications (China)
Shuxiao Guo, Beijing C&W Optical Communication Technology Co., Ltd. (China)
Hui Xue, 66019 Unit (China)
Wanyi Gu, Beijing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 6353:
Optical Transmission, Switching, and Subsystems IV
Chang Soo Park; Shizhong Xie; Curtis R. Menyuk; Ken-ichi Kitayama, Editor(s)

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