用于连续变量量子存储的快速响应平衡零拍探测器
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摘要
改进了连续变量量子存储的平衡零拍探测器,得到了一种可以实时测量短脉冲光信号正交分量的快速响应平衡零拍探测器。利用无电容电路,以及高量子效率、低结电容的光电二极管,获得的平衡零拍探测器的响应时间为65ns;当波长为795nm、功率大于100μW的激光入射时,在2.5 MHz处的信噪比超过12dB,相应的饱和功率为6.8mW。该平衡零拍探测器可以应用于连续变量量子存储、量子网络等研究领域中。
The balanced homodyne detector for continuous-variable quantum memory is improved,and a fast response balanced homodyne detector for real-time measurement of amplitude and phase quadrature components of short pulsed optical signals is obtained.By using the circuits without capacitors and the photodiodes with a high quantum efficiency and a low capacitance,the response time of 65 ns for this balanced homodyne detector is obtained.The signal-to-noise ratio is higher than 12 dB at 2.5 MHz when a laser with a power of more than 100μW and a wavelength of 795 nm is incident,and the corresponding saturation power is 6.8 mW.This balanced homodyne detector can be applied in the continuous-variable quantum memory and the quantum network,and so on.
The balanced homodyne detector for continuous-variable quantum memory is improved,and a fast response balanced homodyne detector for real-time measurement of amplitude and phase quadrature components of short pulsed optical signals is obtained.By using the circuits without capacitors and the photodiodes with a high quantum efficiency and a low capacitance,the response time of 65 ns for this balanced homodyne detector is obtained.The signal-to-noise ratio is higher than 12 dB at 2.5 MHz when a laser with a power of more than 100μW and a wavelength of 795 nm is incident,and the corresponding saturation power is 6.8 mW.This balanced homodyne detector can be applied in the continuous-variable quantum memory and the quantum network,and so on.
引文
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[16]Fleischhauer M,Lukin M D.Dark-state polaritons in electromagnetically induced transparency[J].Physical Review Letters,2000,84(22):5094-5097.
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[19]Chen Y H,Lee M J,Wang I C,et al.Coherent optical memory with high storage eciency and large fractional delay[J].Physical Review Letters,2013,110(8):083601.
[20]Cviklinski J,Ortalo J,Laurat J,et al.Reversible quantum interface for tunable single-sideband modulation[J].Physical Review Letters,2008,101(13):133601.
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[24]Wu L,Liu Y H,Deng R J,et al.Experimental preparation of bipartite polarization entangled optical fields at 795nm[J].Acta Optica Sinica,2017,37(5):0523002.吴量,刘艳红,邓瑞婕,等.795nm两组份偏振纠缠光场的实验制备[J].光学学报,2017,37(5):0523002.
[25]Zhang M,Zhou Y Y,Li F,et al.Realization of low threshold operation of non-degenerate optical parameteric amplifier with wedged KTP crystal[J].Acta Optica Sinica,2014,34(3):0327001.张敏,周瑶瑶,李芳,等.利用楔角KTP晶体实现低阈值非简并光学参量放大器的运转[J].光学学报,2014,34(3):0327001.
[26]Wu Z Q,Zhou H J,Wang Y J,et al.Generation of bright amplitude squeezed-light at 1.3μm by using a home-made all-solid-state laser as pump source[J].Acta Sinica Quantum Optica,2013,19(1):1-5.邬志强,周海军,王雅君,等.利用自制的单频激光器获得近通讯波段正交振幅压缩态光场[J].量子光学学报,2013,19(1):1-5.
[27]Zhou Q Q,Liu J L,Zhang K S.Low-noise,broadband photo-detector designs in quantum optics[J].Acta Sinica Quantum Optica,2010,16(2):152-157.周倩倩,刘建丽,张宽收.量子光学实验中宽带低噪声光电探测器的研制[J].量子光学学报,2010,16(2):152-157.
[28]Wang X Y,Bai Z L,Du P Y,et al.Ultrastable fiberbased time-domain balanced homodyne detector for quantum communication[J].Chinese Physics Letters,2012,29(12):124202.
[29]Qin J L,Yan Z H,Huo M R,et al.Design of lownoise photodetector with a bandwidth of 130 MHz based on transimpedance amplification circuit[J].Chinese Physics Letters,2016,14(12):122701.
[2]Zhou H J,Wang W Z,Chen C Y,et al.A lownoise,large-dynamic-range-enhanced amplifier based on JFET buffering input and JFET bootstrap structure[J].IEEE Sensors Journal,2015,15(4):2101-2105.
[3]Zhou H J,Wang W Z,Li Z X,et al.Abootstrapped,low-noise,and high-gain photodector for shot noise measure[J].Review of Scientific Instruments,2014,85(1):013111.
[4]Jin X L,Su Jing,Zheng Y H,et al.Balanced homodyne detection with high common mode rejection ratio based on parameter compensation of two arbitrary photodiodes[J].Optics Express,2015,23(18):246195.
[5]Xue J,Qin J L,Zhang Y C,et al.Measurement of standard vacuum noise at low frequencies[J].Acta Physica Sinica,2016,65(4):044211.薛佳,秦际良,张玉驰,等.低频标准真空涨落的测量[J].物理学报,2016,65(4):044211.
[6]Li F,Zhou Y Y,Jia X J.Entanglement enhancement of bipartite entangled states through coherent feedback control[J].Acta Optica Sinica,2014,34(10):1027001.李芳,周瑶瑶,贾晓军.相干反馈控制实现两组份纠缠态光场纠缠增强[J].光学学报,2014,34(10):1027001.
[7]Jia X J,Duan Z Y,Yan Z H.Dependence of continuous variable entanglement enhancement on experimental earameters[J].Acta Optica Sinica,2013,33(2):0227001.贾晓军,段志园,闫智辉.连续变量纠缠增强对实验参量的依赖关系[J].光学学报,2013,33(2):0227001.
[8]Caves C M.Quantummechanical noise in an interferometer[J].Physical Review D,1981,23(8):1693.
[9]Goda K,Miyakawa O,Mikhailov E E,et al.A quantumenhanced prototype gravitational-wave detector[J].Nature Physics,2008,4(6):472-476.
[10]Abadie J,Abbott B P,Abbott R,et al.A gravitational wave observatory operating beyond the quantum shotnoise limit[J].Nature Physics,2012,7(12):962-965.
[11]Koschorreck M,Napolitano M,Dubost B,et al.Sub-projection-noise sensitivity in broadband atomic magnetometry[J].Physical Review Letters,2010,104(9):093602.
[12]Wolfgramm F,CerèA,Beduini F A,et al.Squeezed-light optical magnetometry[J].Physical Review Letters,2010,105(5):053601.
[13]Horrom T,Singh R,Dowling J P,et al.Quantum enhanced magnetometer with low-frequency squeezing[J].Physical Review A,2012,86(2):023803.
[14]Jia X J,Yan Z H,Duan Z Y,et al.Experimental realization of three-color entanglement at optical fiber communication and atomic storage wavelengths[J].Physical Review Letters,2012,109(25):253604.
[15]Kimble H J.The quantum internet[J].Nature,2008,453(7198):1023-1030.
[16]Fleischhauer M,Lukin M D.Dark-state polaritons in electromagnetically induced transparency[J].Physical Review Letters,2000,84(22):5094-5097.
[17]Fleischhauer M,Imamoglu A,Marangos J P,et al.Electromagnetically induced transparency:Optics in coherent media[J].Review of Modern Physics,2005,77(2):633-673.
[18]Xu Z X,Wu Y L,Tian L,et al.Long lifetime and high-fidelity quantum of photonic polarization qubit by lifting zeeman degeneracy[J].Physical Review Letters,2013,111(24):240503.
[19]Chen Y H,Lee M J,Wang I C,et al.Coherent optical memory with high storage eciency and large fractional delay[J].Physical Review Letters,2013,110(8):083601.
[20]Cviklinski J,Ortalo J,Laurat J,et al.Reversible quantum interface for tunable single-sideband modulation[J].Physical Review Letters,2008,101(13):133601.
[21]Appel J,Eden F,Dmitry K,et al.Quantum memory for squeezed light[J].Physics Review Letters,2008,100(9):093602.
[22]Honda K,Akamatsu D,Arikawa M,et al.Storage and retrieval of a squeezed vacuum[J].Physical Review Letters,2008,100(9):093601.
[23]Wu L,Yan Z H,Liu Y H,et al.Experimental generation of tripartite polarization entangled states of bright optical beams[J].Applied Physics Letters,2016,108(16):161102.
[24]Wu L,Liu Y H,Deng R J,et al.Experimental preparation of bipartite polarization entangled optical fields at 795nm[J].Acta Optica Sinica,2017,37(5):0523002.吴量,刘艳红,邓瑞婕,等.795nm两组份偏振纠缠光场的实验制备[J].光学学报,2017,37(5):0523002.
[25]Zhang M,Zhou Y Y,Li F,et al.Realization of low threshold operation of non-degenerate optical parameteric amplifier with wedged KTP crystal[J].Acta Optica Sinica,2014,34(3):0327001.张敏,周瑶瑶,李芳,等.利用楔角KTP晶体实现低阈值非简并光学参量放大器的运转[J].光学学报,2014,34(3):0327001.
[26]Wu Z Q,Zhou H J,Wang Y J,et al.Generation of bright amplitude squeezed-light at 1.3μm by using a home-made all-solid-state laser as pump source[J].Acta Sinica Quantum Optica,2013,19(1):1-5.邬志强,周海军,王雅君,等.利用自制的单频激光器获得近通讯波段正交振幅压缩态光场[J].量子光学学报,2013,19(1):1-5.
[27]Zhou Q Q,Liu J L,Zhang K S.Low-noise,broadband photo-detector designs in quantum optics[J].Acta Sinica Quantum Optica,2010,16(2):152-157.周倩倩,刘建丽,张宽收.量子光学实验中宽带低噪声光电探测器的研制[J].量子光学学报,2010,16(2):152-157.
[28]Wang X Y,Bai Z L,Du P Y,et al.Ultrastable fiberbased time-domain balanced homodyne detector for quantum communication[J].Chinese Physics Letters,2012,29(12):124202.
[29]Qin J L,Yan Z H,Huo M R,et al.Design of lownoise photodetector with a bandwidth of 130 MHz based on transimpedance amplification circuit[J].Chinese Physics Letters,2016,14(12):122701.