摘要
１．ＩｎｔｒｏｄｕｃｔｉｏｎＷａｖｅｌｅｎｇｔｈｒｅｕｓｅａｎｄｏｐｔｉｃａｌｉｎｌｉｎｅａｍｐｌｉｆｉｃａｔｉｏｎａｒｅｋｅｙｔｅｃｈｎｉｑｕｅｓｆｏｒｓｃａｌｅａｂｌｅｗａｖｅｌｅｎｇｔｈｄｉｖｉｓｉｏｎｍｕｌｔｉｐｌｅａｃｃｅｓ（ＷＤＭＡ）...
Signal extinction ratio (EXT) induced penalty in WDMA networks with wavelength routers and in line optical amplifiers is investigated. Theoretical results show that EXT can greatly influence network performance when signal related beat noise dominates. EXT should be higher than 10dB to prevent steep degradation of power penalty. Furthermore, a trade off between the number of wavelength routers and that of in line amplifiers within WDMA networks should be made.
