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Dissipation of Two-Mode Squeezed State in Two Independent Amplitude Dissipative Channels

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Abstract

We examine the dissipative result of a pure two-mode squeezed state passing through two independent amplitude dissipative channels described by the direct product of two independent single-mode master equations. Although these two master equations do not mix the two modes (no coupling between them), but since the two-mode squeezed state is simultaneously an entangled state, the output state emerging from the two channels is a two-mode density operator (mixed state). The exact and compact expression of the outcoming state is obtained, which manifently shows that as time evolves the squeezing effect and photon number decreases.

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Acknowledgements

This work is supported by the education scientific research project of young teachers of Fujian Province(Grant No.JK2014053)and the National Natural Science Foundation of China (Grant No.11775208)and the special research of Wuyi University Young Teachers(Grant No.XQ201303).

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Authors and Affiliations

  1. College of Mechanic and Electronic Engineering, Wuyi University, Wuyishan, 354300, China

    Zhan De-hui

  2. Department of Material Science and Engineering, University of Science and Technology of China, Hefei, 230026, China

    Fan Hong-yi

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  1. Zhan De-hui
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  2. Fan Hong-yi
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Correspondence to Zhan De-hui.

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De-hui, Z., Hong-yi, F. Dissipation of Two-Mode Squeezed State in Two Independent Amplitude Dissipative Channels. Int J Theor Phys 57, 2687–2694 (2018). https://doi.org/10.1007/s10773-018-3790-7

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  • DOI: https://doi.org/10.1007/s10773-018-3790-7

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