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全保偏49 GHz高重频多波长光源的产生

王超,肖永川,林书庆,庾财斌,瞿鹏飞,李儒章,孙力军

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王超, 肖永川, 林书庆, 庾财斌, 瞿鹏飞, 李儒章, 孙力军. 全保偏49 GHz高重频多波长光源的产生[J]. , 2020, 13(4): 745-751. doi: 10.37188/CO.2019-0191
引用本文: 王超, 肖永川, 林书庆, 庾财斌, 瞿鹏飞, 李儒章, 孙力军. 全保偏49 GHz高重频多波长光源的产生[J]. , 2020, 13(4): 745-751.doi:10.37188/CO.2019-0191
WANG Chao, XIAO Yong-chuan, LIN Shu-qing, YU Cai-bin, QU Peng-fei, LI Ru-zhang, SUN Li-jun. Generation of a 49-GHz, high-repetition-rate, all-polarization-maintaining, frequency-locked multicarrier[J]. Chinese Optics, 2020, 13(4): 745-751. doi: 10.37188/CO.2019-0191
Citation: WANG Chao, XIAO Yong-chuan, LIN Shu-qing, YU Cai-bin, QU Peng-fei, LI Ru-zhang, SUN Li-jun. Generation of a 49-GHz, high-repetition-rate, all-polarization-maintaining, frequency-locked multicarrier[J].Chinese Optics, 2020, 13(4): 745-751.doi:10.37188/CO.2019-0191

全保偏49 GHz高重频多波长光源的产生

doi:10.37188/CO.2019-0191
基金项目:重庆市博士后科学基金项目(No. CSTC2019jcyj-bshx0103)
详细信息
    作者简介:

    王 超(1990—),男,重庆垫江人,博士,工程师,2018年于华东师范大学获得博士学位,现为中国电子科技集团公司重庆声光电有限公司工程师,主要从事微波光子学方面的研究。E-mail:wangchaohuster@163.com

  • 中图分类号:TN242

Generation of a 49-GHz, high-repetition-rate, all-polarization-maintaining, frequency-locked multicarrier

Funds:Supported by Postdoctoral Science foundation of Chongqing (No. CSTC2019jcyj-bshx0103)
More Information
  • 摘要:频域稳定的高重频多波长光源是信道化和光通讯等领域的理想光源。为了满足高重频多梳齿 源的应用需求,本文研制了49 GHz梳齿间隔的多波长 源。通过优化I/Q两端射频信号和三个偏置点,IQ调制器稳定工作在载波抑制单边带模式,杂散频率成分抑制比达到27.5 dB。本文利用循环调制技术产生宽带多波长光频梳,并通过优化射频功率建立环内增益-损耗平衡,有效提升平坦度,获得了梳齿间隔为24.5 GHz、梳齿数目为28根、平坦度仅为3 dB、梳齿信噪比(TNR)达29 dB的多波长光频梳。在此基础 上,进一步利用法布罗(FP)滤波技术将频率间隔提升到49 GHz,最终得到梳齿数目达14根,平坦度为2.7 dB,TNR达19 dB,平均光功率为9 dBm的高重频多波长光频梳。由于采用了全保偏光纤器件和集成化技术,本系统具有一键式启动和长时稳定运行的特点,运行半小时的功率抖动标准差仅为0.5%,有望在各微波光子领域中应用。

  • 图 1多波长光频梳系统装置图。CW:连续 器,PM-OC:保偏分束器,FP:法布里-珀罗标准具,EDFA:掺铒光纤放大器,FBG:光纤光栅,BF:带通滤波,PD:光电探测器,EA:射频放大器,EC:射频功分器

    Figure 1.Block diagram of multicarrier source system. CW: continuous wave laser; PM-OC: polarization-maintaining optical coupler; FP: Fabry-Perot etalon; EDFA: Erbium-doped fiber amplifier; FBG: fiber bragg grating; BP: band-pass filter; PD: photodiode detector; EA: electronic amplifier; EC: electronic coupler

    图 2(a)IQ调制器载波抑制单边带下的输出光谱图;(b)IQ调制器插损和P1,−1抑制比随RF射频功率的变化曲线

    Figure 2.(a) The output spectrum after IQ modulator with single-frequency shifting state; (b) insert loss of IQ modulator andP1,−1ratio versus the RF power

    图 324.5 GHz多波长光频梳的输出光谱曲线

    Figure 3.The output spectrum of 24.5-GHz multicarrier frequency comb

    图 4(a)49 GHz FP标准具的透射曲线;(b)49 GHz多波长光频梳输出光谱曲线

    Figure 4.(a) The transmission curve of 49-GHz FP etalon; (b) the output spectrum of 49-GHz multicarrier frequency comb

    图 5多波长光频梳输出功率变化曲线

    Figure 5.Variation of output power for multi-wavelength optical frequency comb

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出版历程
  • 收稿日期:2019-09-25
  • 修回日期:2019-11-08
  • 刊出日期:2020-08-01

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