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A bandwidth-enhanced polarization division multiplexed intensity modulation-direct detection system utilizing a dual polarization-DPMZM

机译:利用双极化-DPMZM的带宽增强的极化划分多路复用强度调制直接检测系统

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摘要

A novel bandwidth-enhanced polarization division multiplexed intensity modulation-direct detection (IM-DD) short reach fiber optical communication system is proposed and experimentally demonstrated by utilizing a dual polarization-dual parallel Mach Zehnder modulator (DP-DPMZM). By adjusting bias voltages of the DP-DPMZM, the chromatic dispersion induced frequency notches can be shifted to higher frequencies, which indicates the transmission 3 dB-bandwidth of proposed system can be much more enhanced comparing with the conventional IM-DD system. A proof-of-concept experiment is performed for dual parallel Mach Zehnder modulator-direct detection (DPMZM-DD) system and DP-DPMZM-direct detection (DP-DPMZM-DD) system, whose performances are compared with the conventional Mach Zehnder modulator-direct detection (MZM-DD) system over 100 km standard single-mode fiber transmission. The experimental results show that the DPMZM-DD system and DP-DPMZM-DD system have a significant improvement of the bit error rate performance, compared to its counterpart MZM-DD system.
机译:提出了一种新型的带宽增强偏振分复用强度调制直接检测(IM-DD)短距离光纤通信系统,并通过使用双偏振双并行马赫曾德尔调制器(DP-DPMZM)进行了实验验证。通过调整DP-DPMZM的偏置电压,可以将色散引起的频率陷波移至更高的频率,这表明与常规IM-DD系统相比,所建议系统的传输3 dB带宽可以大大提高。对双并行Mach Zehnder调制器直接检测(DPMZM-DD)系统和DP-DPMZM直接检测(DP-DPMZM-DD)系统进行了概念验证实验,并将其性能与常规Mach Zehnder调制器进行了比较直接检测(MZM-DD)系统可进行100 km以上的标准单模光纤传输。实验结果表明,与相应的MZM-DD系统相比,DPMZM-DD系统和DP-DPMZM-DD系统在误码率性能方面有显着改善。

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