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Proceedings Paper

Communication with quantum limited subspace
Author(s): Francis T. S. Yu
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Paper Abstract

One important aspect of our universe is that one cannot get something from nothing; there is always a price to pay. In this article we show that every bit of information is limited by a quantum unit. Since we are communicating within a temporal subspace, this unit can be equivalently described as a quantum limited subspace (QLS), as imposed by the Heisenberg Principle. We show that communication can be exploited within and outside the QLS. The size of a QLS is determined by carrier signal bandwidth; that is narrower the bandwidth the larger the size of the QLS. By manipulating the size of a QLS, more efficient information transmission strategies can be developed. Examples for inside and outside QLS communication are given. Extension to relativistic communication has also demonstrated. We remark that, a new era of communication is anticipated to immerge and it will change our way in communicating, observation and computing, we used to use, forever!

Paper Details

Date Published: 2 November 2018
PDF: 12 pages
Proc. SPIE 10818, Holography, Diffractive Optics, and Applications VIII, 108180S (2 November 2018); doi: 10.1117/12.2326661
Show Author Affiliations
Francis T. S. Yu, The Pennsylvania State Univ. (United States)


Published in SPIE Proceedings Vol. 10818:
Holography, Diffractive Optics, and Applications VIII
Yunlong Sheng; Chongxiu Yu; Changhe Zhou, Editor(s)

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