单双通带可切换的微波光子滤波器
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摘要
提出了一种基于受激布里渊散射的单双通带可切换的微波光子滤波器。通过改变抽运光与信号光两波长之间的间隔,可实现单通带滤波器与双通带滤波器之间的切换,且通带频率可调。建立了理论模型并进行了仿真分析,并通过实验进行了验证。实验结果显示,抑制比达30dB,0～18GHz范围内的频率响应可调,实验结果与模拟结果相吻合。
In this study,we presented the design and testing of a microwave photonic filter with switchable singleand dual-passband operation based on stimulated Brillouin scattering.By adjusting the interval between the wavelengths of the pump light and the signal light,the filter can be switched from single-to dual-passband operation.Moreover,the passband frequency can be tuned.In addition,we prepared a theoretical model of this device and made the corresponding simulation.The analysis was verified using aproof-of-concept experiment.The experimental results show that the rejection ratio can be up to 30 dB,and the frequency tuning range is approximately 0-18 GHz.The experimental results are observed to agree well with the simulated results.
In this study,we presented the design and testing of a microwave photonic filter with switchable singleand dual-passband operation based on stimulated Brillouin scattering.By adjusting the interval between the wavelengths of the pump light and the signal light,the filter can be switched from single-to dual-passband operation.Moreover,the passband frequency can be tuned.In addition,we prepared a theoretical model of this device and made the corresponding simulation.The analysis was verified using aproof-of-concept experiment.The experimental results show that the rejection ratio can be up to 30 dB,and the frequency tuning range is approximately 0-18 GHz.The experimental results are observed to agree well with the simulated results.
引文
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[14]Chen C H,Huang C H,Horng T S,et al.Highly miniaturized multiband bandpass filter design based on a stacked spiral resonator structure[J],IEEETransactions on Microwave Theory and Techniques,2012,60(5):1278-1286.
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[16]Huang L,Chen D L,Zhang F Z,et al.Microwave photonic filter with multiple independently tunable passbands based on a broadband optical source[J].Optics Express,2015,23(20):25539-25552.
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[19]Hu S L,Li L W,Yi X K,et al.Tunable dualpassband microwave photonic filter based on stimulated Brillouin scattering[J].IEEE Photonics Technology Letters,2017,29(3):330-333.
[20]Chan E H W,Alameh K E,Minasian R A.Photonic bandpass filters with high skirt selectivity and stopband attenuation[J].Journal of Lightwave Technology,2002,20(11):1962-1967.
[2]Yao J P.Microwave photonics[J].Journal of Lightwave Technology,2009,27(3):314-335.
[3]Lin T,Zhao S H,Zhu Z H,et al.Multi-band frequency conversion scheme based on single optical frequency comb for satellite communication[J].Acta Optica Sinica,2017,37(6):0623002.林涛,赵尚弘,朱子行,等.基于单光频梳的卫星通信多频段变频方法[J].光学学报,2017,37(6):0623002.
[4]Xu Y M,Pan W,Lu B,et al.Multi-stopband microwave photonic filter based on stimulated Brillouin scattering[J].Chinese Journal of Lasers,2018,45(11):1106004.徐翌明,潘炜,卢冰,等.基于受激布里渊散射的多阻带微波光子滤波器[J].中国激光,2018,45(11):1106004.
[5]Li Y D,Wang R,Pu T,et al.Review on high outof-band suppression ratio of microwave photonic filter[J].Laser&Optoelectronics Progress,2018,55(2):020005.李元栋,王荣,蒲涛,等.高带外抑制比微波光子滤波器研究进展[J].激光与光电子学进展,2018,55(2):020005.
[6]Chen H,Zou X H,Yu G,et al.Experimental study on linearity of microwave photonic link with direct modulation or external modulation[J].Chinese Journal of Lasers,2018,45(11):1106002.陈华,邹喜华,于歌,等.直调与外调型微波光子链路线性度的实验研究[J].中国激光,2018,45(11):1106002.
[7]Hunter D B,Minasian R A.Photonic signal processing of microwave signals using an active-fiber Bragg-grating-pair structure[J].IEEE Transactions on Microwave Theory and Techniques,1997,45(8):1463-1466.
[8]Pastor D,Ortega B,Capmany J,et al.Optical microwave filter based on spectral slicing by use of arrayed waveguide gratings[J].Optics Letters,2003,28(19):1802-1804.
[9]Mora J,Ortega B,Diez A,et al.Photonic microwave tunable single-bandpass filter based on a Mach-Zehnder interferometer[J].Journal of Lightwave Technology,2006,24(7):2500-2509.
[10]Wang H,Zheng J Y,Li W,et al.Widely tunable single-bandpass microwave photonic filter based on polarization processing of a nonsliced broadband optical source[J].Optics Letters,2013,38(22):4857-4860.
[11]Zhang W W,Minasian R A.Widely tunable singlepassband microwave photonic filter based on stimulated Brillouin scattering[J].IEEE Photonics Technology Letters,2011,23(23):1775-1777.
[12]Yu Y,Dong J J,Xu E M,et al.Single passband microwave photonic filter with continuous wideband tunability based on electro-optic phase modulator and Fabry-Pérot semiconductor optical amplifier[J].Journal of Lightwave Technology,2011,29(23):3542-3550.
[13]Li W Z,Li M,Yao J P.A narrow-passband and frequency-tunable microwave photonic filter based on phase-modulation to intensity-modulation conversion using aphase-shifted fiber Bragg grating[J].IEEETransactions on Microwave Theory and Techniques,2012,60(5):1287-1296.
[14]Chen C H,Huang C H,Horng T S,et al.Highly miniaturized multiband bandpass filter design based on a stacked spiral resonator structure[J],IEEETransactions on Microwave Theory and Techniques,2012,60(5):1278-1286.
[15]Wu R,Chen H,Zhang S W,et al.Tunable and selectable multipassband microwave photonic filter utilizing reflective and cascaded fiber Mach-Zehnder interferometers[J].Journal of Lightwave Technology,2017,35(13):2660-2668.
[16]Huang L,Chen D L,Zhang F Z,et al.Microwave photonic filter with multiple independently tunable passbands based on a broadband optical source[J].Optics Express,2015,23(20):25539-25552.
[17]Jiang Y,Shum P P,Zu P,et al.A selectable multiband bandpass microwave photonic filter[J].IEEE Photonics Journal,2013,5(3):5500509.
[18]Xiao Y C,Guo J,Wu K,et al.An ultrawide tunable range single passband microwave photonic filter based on stimulated Brillouin scattering[J].Optics Express,2013,21(3):2718-2726.
[19]Hu S L,Li L W,Yi X K,et al.Tunable dualpassband microwave photonic filter based on stimulated Brillouin scattering[J].IEEE Photonics Technology Letters,2017,29(3):330-333.
[20]Chan E H W,Alameh K E,Minasian R A.Photonic bandpass filters with high skirt selectivity and stopband attenuation[J].Journal of Lightwave Technology,2002,20(11):1962-1967.