Investigation on wavelength switching of widely tunable SGDBR lasers

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• 作者：Shan Jiang (1)
  Lei Dong (2)
  RuiKang Zhang (1)
  ShiZhong Xie (3)
  
• 关键词：SGDBR ; traveling ; wave method ; transfer ; matrix method ; digital filter approach ; wavelength switching
• 刊名：Chinese Science Bulletin
• 出版年：2009
• 出版时间：October 2009
• 年：2009
• 卷：54
• 期：20
• 页码：3709-3715
• 全文大小：714KB
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• 作者单位：Shan Jiang (1)
  Lei Dong (2)
  RuiKang Zhang (1)
  ShiZhong Xie (3)
  
  1. Accelink Technologies Co., Ltd., Wuhan, 430074, China
  2. School of Information Science and Engineering, Shandong University, Jinan, 250100, China
  3. Department of Electronic Engineering, Tsinghua University, Beijing, 100084, China
  
• ISSN：1861-9541

文摘

The sampled-grating distributed Bragg reflector (SGDBR) laser is a typical and important photonic integrated device, and has potential wide application to agile optical networks. A new dynamic model for this device has been developed, which combines the traveling-wave method for the active region and the transfer-matrix method for the passive sections into a single procedure. The behaviors of wavelength switching of the SGDBR laser, which include the transient spectrum and mode competition, have been studied in detail using this model. A new efficient way has been proposed to improve the wavelength switching performance only by increasing the coupling coefficients without changing the carrier density.