40Gbps Very Short Reach Parallel Optical Transmission and System

HU Qing-sheng; XU Duo; MIAO Peng

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40Gbps Very Short Reach Parallel Optical Transmission and System

更新时间：2025-07-16

- 40Gbps Very Short Reach Parallel Optical Transmission and System
- Acta Electronica Sinica Vol. 39, Issue 5, Pages: 1174-1177(2011)
- 作者机构：
  
  东南大学射频与光电集成电路研究所,江苏,南京,210096
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN913
- Published：2011
- 稿件说明：
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HU Qing-sheng, XU Duo, MIAO Peng. 40Gbps Very Short Reach Parallel Optical Transmission and System[J]. Acta Electronica Sinica, 2011, 39(5): 1174-1177.
DOI：

HU Qing-sheng, XU Duo, MIAO Peng. 40Gbps Very Short Reach Parallel Optical Transmission and System[J]. Acta Electronica Sinica, 2011, 39(5): 1174-1177. DOI：

摘要

介绍了40Gbps甚短距离(VSR)并行光传输系统的实现和测试.用两片Altera Stratix II GX FPGA分别实现发送/接收转换芯片

通过对FPGA内嵌的吉比特收发器的合理配置

以及在去斜移电路中采用滑动窗口生成器和共用窗口比较器的方法节省了硬件资源;基于异或定位原理

采用二分查找法大大提高了帧同步电路的速度.自制的12通道垂直腔面发射激光器(VCSEL)的工作速率达到了12×3.318Gbps.利用Agilent 81250误码仪

通过并行光发射/接收模块和7米长的12芯多模带状光纤

成功实现了SDH STM256/OC768的点到点测试

连续两小时的测试结果表明

系统误码率小于10

-12

满足设计要求.

Abstract

The design and measurement of 40Gbps Very Short Reach (VSR) parallel optical transmission system are presented.The transmitter and receiver are implemented using Altera Stratix II GX PFGA which has embedded high-speed transceiver.By configuring the high-speed transceiver correctly

using window generator and sharing the window comparator within the deskew module

the hardware area is reduced greatly.Binary search is also employed in the frame synchronization module to raise the circuit speed.Additionally

a 12×3.318Gbps VCSEL transmitter is researched and works correctly.At last

the VSR5 point-to-point measurement is undertaken by connecting the receiver and transmitter via a 7-meter 400MHz·km 62.5 μm multi-mode fiber ribbon and Agilent tester.Under the continuous test of 2 hour

a system bit error rate(BER)of lower than 10

-12

is obtained.

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