Investigation of Patterning Effects in Ultrafast SOA-Based Optical Switches
Investigation of Patterning Effects in Ultrafast SOA-Based Optical Switches
复制标题
基于 SOA 的超快光开关的图案效应研究
DOI：
10.1109/jqe.2009.2027341
复制
发表时间：
2010
影响因子：
2.5
通讯作者：
J. Xu
中科院分区：
文献类型：
--
作者：
X. Zhang;J. Mørk;J. Xu
采用基于半导体光放大器 (SOA) 的光开关的超快光开关已被证明可实现高达 640 Gbit/s 的比特率。然而，半导体结构中相对较慢的恢复过程引起的图案化效应仍然是一个重要的恶化因素，限制了基于 SOA 的开关的最终运行速度。在本文中，我们使用系统方法研究基于 SOA 的交换机的模式效应。导出了开关性能评估中应采用的位模式长度下限的简单条件。结果表明，最小位模式长度与 SOA 的比特率和恢复时间呈线性关系。为了克服长伪随机二进制序列（PRBS）长度下数值分析所需的过多计算时间，基于通过两个周期脉冲序列在两个饱和极值下驱动SOA的思想，提出了一种有效的方法，即周期方法。通过将周期方法的结果与使用普通 PRBS 模式获得的结果进行比较，验证了周期方法的预测能力。最后，通过详细分析大参数区域上特定类型开关的性能特性，利用了周期性方法的有效性。除了允许研究图案效应之外，周期方法还同时提供输出功率和脉冲宽度等品质因数。
Ultrafast optical switching employing semiconductor optical amplifier (SOA) based optical switches has been demonstrated at bitrates up to 640 Gbit/s. However, patterning effects caused by relatively slow recovery processes in semiconductor structures remain as an important deteriorating factor that limits the ultimate speed at which SOA-based switches can be operated. In this paper, we investigate the patterning effects of SOA-based switches using a systematic approach. A simple condition for the lower bound limit of the bit pattern length that should be adopted in the performance evaluations of the switches is derived. It is shown that the minimum bit pattern length scales linearly with the bitrate and the recovery time of the SOA. To overcome the excessive computation time needed for numerical analysis at long pseudorandom binary sequence (PRBS) lengths, an effective method, i.e., periodic method, has been proposed based on the idea of driving the SOA at two saturation extremes by two periodic pulse trains. The predictive power of the periodic method is verified by comparing its results with those obtained by using ordinary PRBS patterns. Finally, the effectiveness of the periodic method is exploited by analyzing in detail the performance properties of a specific type of switch over large parameter regions. Besides allowing an investigation of patterning effects, the periodic method also simultaneously provides such figures of merit as output power and pulsewidth.
登录
查看更多内容
DOI：
10.1109/ofc.2006.216061
发表时间：
2006-03
期刊：
2006 Optical Fiber Communication Conference and the National Fiber Optic Engineers Conference
影响因子：
--
作者：
Yong Liu;E. Tangdiongga;Zheng Li;H. Waardt;A. Koonen;G. Khoe;H. Dorren;X. Shu;I. Bennion
通讯作者：
Yong Liu;E. Tangdiongga;Zheng Li;H. Waardt;A. Koonen;G. Khoe;H. Dorren;X. Shu;I. Bennion
影响因子：
3.6
作者：
E. Tangdiongga;Y. Liu;H. Waardt;G. Khoe;Alisa Koonen;H. Dorren;Xuewen Shu;I. Bennion
通讯作者：
E. Tangdiongga;Y. Liu;H. Waardt;G. Khoe;Alisa Koonen;H. Dorren;Xuewen Shu;I. Bennion
影响因子：
4
作者：
K. Tajima;S. Nakamura;Y. Sugimoto
通讯作者：
K. Tajima;S. Nakamura;Y. Sugimoto
影响因子：
1.1
作者：
M. Nielsen;B. Lavigne;B. Dagens
通讯作者：
M. Nielsen;B. Lavigne;B. Dagens
DOI：
10.1364/josab.14.000761
发表时间：
1997-04
影响因子：
1.9
作者：
A. Mecozzi;J. Mørk
通讯作者：
A. Mecozzi;J. Mørk