基于RSOA的系统上行带宽展宽研究
摘要
RSOA被认为是实现无源光网络PON中ONU无色化的一种重要的光学器件,但常见的RSOA的调制带宽往往只有1.5GHz左右,严重制约了PON系统的上行链路信号带宽。文章提出了两种有效提高RSOA调制带宽方案:使用光带通滤波器或者SOA与RSOA级联的均衡原理,提高上行信号调制带宽和系统功率预算。通过深入的数学模型分析和大量的相关实验,验证了这两种方案的正确性和可行性,同时实验结果表明使用光带通滤波器或者SOA可以使RSOA调制带宽分别展宽0.15 GHz和0.3GHz,并将功率预算分别提高12 d B和17d B。
引文
[1]张琼方.基于VC++的光时域反射仪设计与开发[D].北京:北京交通大学,2015.
[2]Agrawal G P,Olsson N A.Self-phase modulation and spectral broadening of optical pulses in semiconductor laser amplifiers[J].IEEE Journal of Quantum Electronics,1989,25(11):2297-2306.
[3]Wei J L,HamiéA,Gidding R P,et al.Adaptively modulated optical OFDM modems utilizing RSOAs as intensity modulators in IMDD SMF transmission systems[J].Optics Express,2010,18(8):8556-73..
[4]Papagiannakis I,Omella M,Klonidis D,et al.Investigation of 10-Gb/s RSOA-Based Upstream Transmission in WDMPONs Utilizing Optical Filtering and Electronic Equalization[J].IEEE Photonics Technology Letters,2008,20(20):2168-2170.
[5]Sato K,Toba H.Reduction of m ode partition noise by using semiconductor optical amplifiers[J].IEEE Journal of Selected Topics in Quantum Electronics,2001,7(2):328-333.
[2]Agrawal G P,Olsson N A.Self-phase modulation and spectral broadening of optical pulses in semiconductor laser amplifiers[J].IEEE Journal of Quantum Electronics,1989,25(11):2297-2306.
[3]Wei J L,HamiéA,Gidding R P,et al.Adaptively modulated optical OFDM modems utilizing RSOAs as intensity modulators in IMDD SMF transmission systems[J].Optics Express,2010,18(8):8556-73..
[4]Papagiannakis I,Omella M,Klonidis D,et al.Investigation of 10-Gb/s RSOA-Based Upstream Transmission in WDMPONs Utilizing Optical Filtering and Electronic Equalization[J].IEEE Photonics Technology Letters,2008,20(20):2168-2170.
[5]Sato K,Toba H.Reduction of m ode partition noise by using semiconductor optical amplifiers[J].IEEE Journal of Selected Topics in Quantum Electronics,2001,7(2):328-333.