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基于偏振旋转耦合1550 nm垂直腔面发射激光器环形系统产生多路高质量混沌信号

杨峰 唐曦 钟祝强 夏光琼 吴正茂

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基于偏振旋转耦合1550 nm垂直腔面发射激光器环形系统产生多路高质量混沌信号

杨峰, 唐曦, 钟祝强, 夏光琼, 吴正茂

Generations of multi-channel high-quality chaotic signals based on a ring system composed of polarization rotated coupled 1550 nm vertical-cavity surface-emitting lasers

Yang Feng, Tang Xi, Zhong Zhu-Qiang, Xia Guang-Qiong, Wu Zheng-Mao
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  • 提出了一种基于三个单向偏振旋转耦合1550 nm垂直腔面发射激光器(1550 nm-VCSELs)构成的环形系统获取多路高质量混沌信号的方案.利用自旋反转模型,数值研究了该环形系统中三个VCSELs的偏振分辨非线性动力学特性;利用自相关和互信息方法讨论了注入强度和频率失谐对三个VCSELs中各偏振分量输出时间序列的时延特征(TDS)的影响.研究结果表明:通过选择合适的注入强度和频率失谐,三个VCSELs均可同时输出X-偏振分量(X-PC)和Y-偏振分量(Y-PC)的平均功率可比拟的混沌信号,而且这些混沌信号的TDS通过进一步优化耦合参数可得到较好的抑制.在此基础上,进一步对三个VCSELs输出的六路混沌信号之间的相关性进行了分析,给出了除同一VCSEL输出的X-PC与Y-PC之间存在较强的相关性外其他信号之前关联性较弱的参数范围.
    Optical chaos based on semiconductor laser (SL) has attracted much attention due to its potential application in various fields such as secure optical communication, chaotic radar, fast physical random bit generation, etc. By introducing external perturbations such as optical feedback, optical injection or optoelectronic feedback, SL can be driven into chaotic dynamic state. In general, an obvious time-delay signature (TDS) can be observed in a chaotic SL system with optical feedback, which is undesirable in some applications. So far, several schemes have been reported on the suppression of the TDS in chaotic SL systems, which are mostly based on external cavity feedback systems or mutually coupled systems. In this work, a novel scheme for suppressing TDS to generate multi-channel high-quality chaotic signals is proposed and numerically simulated based on a ring system composed of three unidirectionally polarization-rotated coupled 1550 nm vertical-cavity surface-emitting lasers (1550 nm-VCSELs). In this scheme, the output from the first 1550 nm-VCSEL passes through an optical circulator (OC), a Faraday rotator (FR) and a variable attenuator (VA), and then is injected into the second 1550 nm-VCSEL. The output from the second (third) 1550 nm-VCSEL passes through a similar path mentioned above, and then is injected into the third (first) 1550 nm-VCSEL. The polarization direction and the strength of injection light are controlled by the FR and VA, respectively. Adopting the spin flip model (SFM), the polarization-resolved dynamical characteristics of the three VCSELs in the ring system are analyzed. By the aid of self-correlation function (SF) and mutual information (MI), the influences of the coupled strength and frequency detuning on the TDS of polarization-resolved chaotic signal output from the three VCSELs are discussed. The results show that through selecting suitable coupling strength and frequency detuning, both the X-polarization component (X-PC) and Y-polarization component (Y-PC) in the three VCSELs can simultaneously be lased with comparative output powers, and the TDSs of these polarization components can also be effectively suppressed. Furthermore, we investigate the cross-correlation among the six-channel chaotic signals output from these VCSELs, and determine the region of coupled parameters for generating six-channel chaotic signals, within which satisfied is the weak cross-correlation between two signals from different VCSELs. Theoretically, the six-channel chaotic outputs can be used as physical entropy sources to generate six-channel random number sequences. By further merging the above two channel random bit sequences with weak cross-correlation, more channel random bit sequences with higher rate can be obtained. We hope this work can provide an effective guidance for multi-channel high-rate random bit generation.
      通信作者: 吴正茂, zmwu@swu.edu.cn
    • 基金项目: 国家自然科学基金(批准号:61275116,61475127,61575163)、中央高校基本科研业务费专项资金(批准号:XDJK2016D060)和重庆市研究生科研创新项目(批准号:CYB14054)资助的课题.
      Corresponding author: Wu Zheng-Mao, zmwu@swu.edu.cn
    • Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 61275116, 61475127, 61575163), the Fundamental Research Funds for the Central Universities, China (Grant No. XDJK2016D060) and the Postgraduate Research and Innovation Project of Chongqing Municipality, China (Grant No. CYB14054).
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    Koyama F 2006 J. Lightwave Technol. 24 4502

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    Xiang S Y, Pan W, Luo B, Yan L S, Zou X H, Jiang N, Li N Q, Zhu H N 2011 Chin. Phys. Lett. 28 014203

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    Lin H, Hong Y H, Shore K A 2014 J. Lightwave Technol. 32 1829

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    Miguel M S, Feng Q, Moloney J V 1995 Phys. Rev. A 52 1728

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    Bandt C, Pompe B 2002 Phys. Rev. Lett. 88 174102

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    Torre M S, Hurtado A, Quirce A, Valle A, Pesquera L, Adams M J 2011 IEEE J. Sel. Top. Quantum Electron. 17 1242

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    Deng T, Wu Z M, Xia G Q 2015 IEEE Photon. Technol. Lett. 27 2075

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    Quirce A, Valle A, Thienpont H, Panajotov K 2016 J. Opt. Soc. Am. B 33 90

  • [1]

    Argyris A, Syvridis D, Larger L, Annovazzi-Lodi V, Colet P, Fischer I, Garcia-Ojalvo J, Mirasso C R, Pesquera L, Shore K A 2005 Nature 438 343

    [2]

    Wu J G, Wu Z M, Fan L, Tang X, Deng W, Xia G Q 2013 IEEE Photon. Technol. Lett. 25 587

    [3]

    Lin F Y, Liu J M 2004 IEEE J. Sel. Top. Quantum Electron. 10 991

    [4]

    Uchida A, Amano K, Inoue M, Hirano K, Naito S, Someya H, Oowada I, Kurashige T, Shiki M, Yoshimori S, Yoshimura K, Davis P 2008 Nature Photon. 2 728

    [5]

    Kanter I, Aviad Y, Reidler I, Cohen E, Rosenbluh M 2010 Nature Photon. 4 58

    [6]

    Wang A B, Li P, Zhang J G, Zhang J Z, Li L, Wang Y C 2013 Opt. Express 21 20452

    [7]

    Li X Z, Li S S, Zhuang J P, Chan S C 2015 Opt. Lett. 40 3970

    [8]

    Avila M J F, Leite J R R 2007 Opt. Lett. 32 2960

    [9]

    Hong Y H, Spencer P S, Shore K A 2014 IEEE J. Quantum Electron. 50 236

    [10]

    Zhang L Y, Pan W, Yan L S, Luo B, Zou X H, Xiang S Y, Li N Q 2012 IEEE Photon. Technol. Lett. 24 1693

    [11]

    Yan S L 2012 Acta Phys. Sin. 61 160505 (in Chinese) [颜森林2012物理学报61 160505]

    [12]

    Lin F Y, Liu J M 2007 Appl. Opt. 46 7262

    [13]

    Li S S, Chan S C 2012 Opt. Express 20 1741

    [14]

    Iga K 2000 IEEE J. Sel. Top. Quantum Electron. 6 1201

    [15]

    Koyama F 2006 J. Lightwave Technol. 24 4502

    [16]

    Xiang S Y, Pan W, Luo B, Yan L S, Zou X H, Jiang N, Li N Q, Zhu H N 2011 Chin. Phys. Lett. 28 014203

    [17]

    Lin H, Hong Y H, Shore K A 2014 J. Lightwave Technol. 32 1829

    [18]

    Li Y, Wu Z M, Zhong Z Q, Yang X J, Mao S, Xia G Q 2014 Opt. Express 22 19610

    [19]

    Hong Y H 2013 Opt. Express 21 17894

    [20]

    Miguel M S, Feng Q, Moloney J V 1995 Phys. Rev. A 52 1728

    [21]

    Regalado J M, Prati F, Miguel M S, Abraham N B 1997 IEEE J. Quantum Electron. 33 765

    [22]

    Sciamanna M, Gatare I, Locquet A, Panajotov 2007 Phys. Rev. E 75 056213

    [23]

    Xiang S Y, Pan W, Luo B, Yan L S, Zou X H, Li N Q 2013 IEEE J. Sel. Top. Quantum Electron. 19 1700108

    [24]

    Rontani D, Locquet A, Sciamanna M, Citrin D S, Ortin S 2009 IEEE J. Quantum Electron. 45 879

    [25]

    Bandt C, Pompe B 2002 Phys. Rev. Lett. 88 174102

    [26]

    Torre M S, Hurtado A, Quirce A, Valle A, Pesquera L, Adams M J 2011 IEEE J. Sel. Top. Quantum Electron. 17 1242

    [27]

    Deng T, Wu Z M, Xia G Q 2015 IEEE Photon. Technol. Lett. 27 2075

    [28]

    Quirce A, Valle A, Thienpont H, Panajotov K 2016 J. Opt. Soc. Am. B 33 90

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  • 收稿日期:  2016-04-05
  • 修回日期:  2016-07-11
  • 刊出日期:  2016-10-05

基于偏振旋转耦合1550 nm垂直腔面发射激光器环形系统产生多路高质量混沌信号

  • 1. 西南大学物理科学与技术学院, 重庆 400715
  • 通信作者: 吴正茂, zmwu@swu.edu.cn
    基金项目: 国家自然科学基金(批准号:61275116,61475127,61575163)、中央高校基本科研业务费专项资金(批准号:XDJK2016D060)和重庆市研究生科研创新项目(批准号:CYB14054)资助的课题.

摘要: 提出了一种基于三个单向偏振旋转耦合1550 nm垂直腔面发射激光器(1550 nm-VCSELs)构成的环形系统获取多路高质量混沌信号的方案.利用自旋反转模型,数值研究了该环形系统中三个VCSELs的偏振分辨非线性动力学特性;利用自相关和互信息方法讨论了注入强度和频率失谐对三个VCSELs中各偏振分量输出时间序列的时延特征(TDS)的影响.研究结果表明:通过选择合适的注入强度和频率失谐,三个VCSELs均可同时输出X-偏振分量(X-PC)和Y-偏振分量(Y-PC)的平均功率可比拟的混沌信号,而且这些混沌信号的TDS通过进一步优化耦合参数可得到较好的抑制.在此基础上,进一步对三个VCSELs输出的六路混沌信号之间的相关性进行了分析,给出了除同一VCSEL输出的X-PC与Y-PC之间存在较强的相关性外其他信号之前关联性较弱的参数范围.

English Abstract

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