Experimental demonstration of real-time DSP with FPGA-based optical transmitter

被引：1
|
作者：
Watts, P. [1 ]
Glick, M. [2 ]
Waegemans, R. [1 ]
Benlachtar, Y. [1 ]
Mikhailov, V. [1 ]
Savory, S. [1 ]
Bayvel, P. [1 ]
Killey, R. I. [1 ]
机构：
[1] UCL, Dept Elect & Elect Engn, Opt Networks Grp, Torrington Pl, London WC1E 7JE, England
[2] Int Res Pittsburgh, Pittsburgh, PA USA
来源：
ICTON 2008: PROCEEDINGS OF 2008 10TH ANNIVERSARY INTERNATIONAL CONFERENCE ON TRANSPARENT OPTICAL NETWORKS, VOL 1 | 2008年
基金：
英国工程与自然科学研究理事会;
关键词：
electronic dispersion compensation; electronic predistortion; digital signal processing; optical interconnects; field programmable gate arrays;
D O I：
10.1109/ICTON.2008.4598407
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Digital signal processing has the potential to overcome cost and power challenges associated with optical links. The questions to address for short links (avoiding the requirement for temperature control, laser patterning, differential mode delay in multimode fibres, increasing capacity at low cost) are different to those for Ultra-long telecom links (mainly chromatic and polarization mode dispersion, and fibre nonlinearity), but both may be solved through the use of DSP. We have completed the construction and begun experimental tests of the first FPGA-based optical transmitter, based on the Xilinx Virtex 4 field programmable gate array chip and D/A converters, operating at 21.4 GSa/s. This will allow DSP for both short optical interconnects and long-haul transmission systems to be experimentally investigated. This paper reviews recent development work on this transmitter and presents initial results.
引用
收藏
页码：202 / +
页数：2
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