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Generation of ultra-wideband signals by directly current-modulating distributed feedback laser diode subjected to optical feedback

Liu Ming Zhang Ming-Jiang Wang An-Bang Wang Long-Sheng Ji Yong-Ning Ma Zhe

Generation of ultra-wideband signals by directly current-modulating distributed feedback laser diode subjected to optical feedback

Liu Ming, Zhang Ming-Jiang, Wang An-Bang, Wang Long-Sheng, Ji Yong-Ning, Ma Zhe
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  • The chaotic ultra-wideband (UWB) pulse signals are generated by directly modulating semiconductor laser subjected to optical feedback. We simulate that the -10 dB bandwidth and the central frequency of the RF spectrum of the chaotic UWB signals are influenced by the bias current and feedback strength. The research results demonstrate that the -10 dB bandwidth of the RF spectrum of the UWB signals increases with the increases of the bias current of the semiconductor laser and the feedback, the central frequency also increases with the increases of the bias current and the feedback. In our experiments, chaotic UWB signals with steerable and flatted power spectrum are generated by directly modulating DFB-LD subjected to optical feedback. The power spectrum of UWB signals is fully compliant with the FCC indoor mask, while a large fractional bandwidth of 133% and a central frequency of 6.6 GHz are achieved. The central frequency and -10 dB bandwidth of the chaotic UWB signals are on a large scale tunable by adjusting the bias current and feedback power. In addition, the chaotic UWB signals transmit through a 34.08 km single mode fiber and the power spectrum does not have any discrete spectrum line.
    • Funds: Project supported by the National Natural Science Foundation of China (Grants Nos. 60927007, 60908014, 61108027), the National Basic Research Program of China (Grant No. 2010CB327806), the China Postdoctoral Science Foundation, the Program for the Top Young Academic Leaders of Higher Learning Institutions of Shanxi, China (Grant No. 2012lfjyt08), and the Key Laboratory of Opto-electronic Information Technology, Ministry of Education (Tianjin University), China (Grant No. 2012KFKT004).
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    [27]

    Wang A B, Wang Y C, Wang J F 2009 Opt. Lett. 34 1144

    [28]

    Zhang J Z, Wang Y C, Liu M, Xue L G, Li Pu, Wang A B, Zhang M J 2012 Opt. Express 20 7496

    [29]

    Kong L Q, Wang A B, Wang H H, Wang Y C 2008 Acta Phys. Sin. 57 2266 (in Chinese) [孔令琴, 王安邦, 王海红, 王云才 2008 物理学报 57 2266]

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    Liu Y, Kikuchi N, Ohtsubo J 1995 Phys. Rev. E 51 2697

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    Takiguchi Y, Liu Y, Obtsubo J 1998 Opt. Lett. 23 1369

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    Wang X F, Xia G Q, Wu Z M 2009 J. Opt. Soc. Am. B 26 160

    [33]

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    [34]

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  • [1]

    Roy S, Foerster J R, Somayazulu V S, Leeper D G 2004 Proc. IEEE 92 295

    [2]

    Aiello G R, Rogerson G D 2003 IEEE Microw. Mag. 4 36

    [3]

    Akyildiz I F, Su W L, Sankarasubramaniam Y, Cayirci E 2002 IEEE Comput. Mag. 40 102

    [4]

    Yao J P, Zeng F, Wang Q 2007 J. Lightw. Technol. 25 3219

    [5]

    Ran M, Lembrikov B I, Ezra Y B 2010 IEEE Photon. J. 2 36

    [6]

    Zeng F, Yao J P 2006 IEEE Photon. Technol. Lett. 18 2062

    [7]

    Chen H W, Wang T L, Li M, Chen M H, Xie S Z 2008 Opt. Express 16 7447

    [8]

    Chang Q J, Tian Y, Ye T, Gao J M, Su Y K 2008 IEEE Photon.Technol. Lett. 20 1651

    [9]

    Pan S L, Yao J P 2009 Opt. Lett. 34 1312

    [10]

    Yu X B, Gibbon T B, Monroy I T 2009 IEEE Photon. Technol. Lett. 21 1235

    [11]

    Juan Y S, Lin F Y 2010 Opt. Express 18 9664

    [12]

    Zhang F Z, Wu J, Fu S N, Li Y, Hong X B, Shum P, Lin J T 2010 Opt. Express 18 15870

    [13]

    Feng X H, Li Z H, Guan B, Lu C, Tam H Y, Wai P K A 2010 Opt. Express 18 3643

    [14]

    Zhou E B, Xu X, Lui K S, Wong K 2010 IEEE Photon. Technol. Lett. 22 1063

    [15]

    Yuan Y, Dong J J, Li X, Zhang X L 2011 IEEE Photon. Technol. Lett. 23 1754

    [16]

    Zhang Y, Zhang X L, Zhang F Z, Wu J, Wang G H, Shum P P 2011 Opt. Com. 284 1803

    [17]

    Wang L X, Zhu N H, Zheng J Y, Liu J G, Li W 2012 Appl. Opt. 51 1

    [18]

    Zheng J Y, Zhu N H, Wang L X, Liu J G, Liang H G 2012 Appl. Opt. 4 657

    [19]

    Luo B W, Dong J J, Yu Y, Yang T, Zhang X L 2012 Opt. Lett. 37 2217

    [20]

    Khan M H, Shen H, Xuan Y, Zhao L, Xiao S, Leaird D E, Weiner A M, Qi M 2010 Nature Photon. 4 117

    [21]

    Peled Y, Tur M, Zadok A 2010 IEEE Photon. Technol. Lett. 22 1692

    [22]

    Zheng J Y, Zhang M J, Wang A B, Wang Y C 2010 Opt. Lett. 35 1734

    [23]

    Meng L N, Zhang M J, Zheng J Y, Zhang Z X, Wang Y C 2011 Acta Phys. Sin. 60 124212 (in Chinese) [孟丽娜, 张明江, 郑建宇, 张朝霞, 王云才2011 物理学报 60 124212]

    [24]

    Zhang M J, Liu T G, Wang A B, Zheng J Y, Meng L N, Zhang Z X, Wang Y C 2011 Opt. Lett. 36 1008

    [25]

    Liu L, Zheng J Y, Zhang M J, Meng L N, Zhang Z X, Wang Y C 2012 Acta Phys. Sin. 61 084204 (in Chinese) [刘鎏, 郑建宇, 张明江, 孟丽娜, 张朝霞, 王云才2012 物理学报 61 084204]

    [26]

    Dmitriev A S, Hasler M, Panas A I, Zakharchenko K V 2003 Nonlinear Phenom. Complex Sys. 6 488

    [27]

    Wang A B, Wang Y C, Wang J F 2009 Opt. Lett. 34 1144

    [28]

    Zhang J Z, Wang Y C, Liu M, Xue L G, Li Pu, Wang A B, Zhang M J 2012 Opt. Express 20 7496

    [29]

    Kong L Q, Wang A B, Wang H H, Wang Y C 2008 Acta Phys. Sin. 57 2266 (in Chinese) [孔令琴, 王安邦, 王海红, 王云才 2008 物理学报 57 2266]

    [30]

    Liu Y, Kikuchi N, Ohtsubo J 1995 Phys. Rev. E 51 2697

    [31]

    Takiguchi Y, Liu Y, Obtsubo J 1998 Opt. Lett. 23 1369

    [32]

    Wang X F, Xia G Q, Wu Z M 2009 J. Opt. Soc. Am. B 26 160

    [33]

    Win M Z 2002 IEEE Commun. Lett. 6 526

    [34]

    Nakache Y, Molisch A F 2003 Proceedings of the IEEE Vehicular Technology Conference 4 2510

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  • Received Date:  29 August 2012
  • Accepted Date:  09 October 2012
  • Published Online:  20 March 2013

Generation of ultra-wideband signals by directly current-modulating distributed feedback laser diode subjected to optical feedback

  • 1. Key Laboratory of Advanced Transducers and Intelligent Control System, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China;
  • 2. Institute of Optoelectronic Engineering, Taiyuan University of Technology, Taiyuan 030024, China;
  • 3. The State Key Laboratory of Millimeter Waves, Southeast University, Nanjing 210096, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grants Nos. 60927007, 60908014, 61108027), the National Basic Research Program of China (Grant No. 2010CB327806), the China Postdoctoral Science Foundation, the Program for the Top Young Academic Leaders of Higher Learning Institutions of Shanxi, China (Grant No. 2012lfjyt08), and the Key Laboratory of Opto-electronic Information Technology, Ministry of Education (Tianjin University), China (Grant No. 2012KFKT004).

Abstract: The chaotic ultra-wideband (UWB) pulse signals are generated by directly modulating semiconductor laser subjected to optical feedback. We simulate that the -10 dB bandwidth and the central frequency of the RF spectrum of the chaotic UWB signals are influenced by the bias current and feedback strength. The research results demonstrate that the -10 dB bandwidth of the RF spectrum of the UWB signals increases with the increases of the bias current of the semiconductor laser and the feedback, the central frequency also increases with the increases of the bias current and the feedback. In our experiments, chaotic UWB signals with steerable and flatted power spectrum are generated by directly modulating DFB-LD subjected to optical feedback. The power spectrum of UWB signals is fully compliant with the FCC indoor mask, while a large fractional bandwidth of 133% and a central frequency of 6.6 GHz are achieved. The central frequency and -10 dB bandwidth of the chaotic UWB signals are on a large scale tunable by adjusting the bias current and feedback power. In addition, the chaotic UWB signals transmit through a 34.08 km single mode fiber and the power spectrum does not have any discrete spectrum line.

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