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光与信息

Light and information

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摘要

光不仅是维持生命活动的主要能量来源,也是一种有效的信息载体。阐述了光作为载体与信息之间的密切联系,讨论了海森堡不确定性原理对信息的解释,即每一比特信息都对应着一个光量子,受限于所在的信息元,并且与熵的消耗相关。分别给出了满足不确定性原理条件以及超出该限制时的例子,从而证明了时间和频率的分辨率不能被同时观测,但成像仍然可以在确定性条件的限制下获得。

Abstract

Light is not just the major source of energy that supports life and it is also a very viable information carrier. In this article, we showed that there is an intimate relationship between information and light as a carrier. We discussed the Uncertainty Principle of Heisenberg as related to information, in which we showed that every bit of information (or quanta of light) is limited by an unit cell of information and it is associated with a cost of entropy. Examples are given within the limit and beyond the Uncertainty Principle. We have shown that time and frequency resolutions cannot be observed simultaneously and yet the imaging can also be obtained within the limit of Certainty!

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中图分类号:TN201

DOI:10.5768/jao201637.0601002

所属栏目:光电系统与工程

收稿日期:2016-09-20

修改稿日期:2016-10-25

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作者单位    点击查看

杨振寰:宾州大学 电气工程,美国 宾夕法尼亚州 PA 16802

联系人作者:杨振寰(ftypsu@gmail.com)

备注:杨振寰(1933-),男,美国,博士,教授,主要从事的研究方向为光学信号处理,全息术,信息光学,光学计算,神经网络,光折射光学,光纤传感器与光子器件等领域。

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引用该论文

Francis T. S. Yu. Light and information[J]. Journal of Applied Optics, 2016, 37(6): 789-795

杨振寰. 光与信息[J]. 应用光学, 2016, 37(6): 789-795

被引情况

【1】任智斌,胡佳盛,唐洪浪,孙雅会. 基于信息失真的光电成像系统优化方法. 应用光学, 2017, 38(5): 689-693

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