Long-distance transmission of directly modulated 1550 nm AM-VSB CATV systems

Hai Han Lu, Ching Ting Lee, Che Ting Kuo

研究成果: Article同行評審

3 引文 斯高帕斯(Scopus)

摘要

This study presents a directly modulated 1550 nm NTSC AM-VSB 74-channel fiber optical CATV long-distance (over 100km) transmission system. In this system, 1550 nm analog distributed feedback (DFB) laser diodes, push-pull preamplifier, half-split-band, wavelength-division-multiplexing (WDM), and in-line erbium- doped fiber amplifiers (EDFAs) were used. Performances of carrier-to-noise ratio (CNR) of ≥ 49 dB, compositie second order (CSO) of ≥ 70 dB, and composite triple beat (CTB) of ≥ 65 dB were obtained over 100 km of standard single-mode fiber (SMF) transmission. This proposed directly modulated transmission system is simpler and more cost-effective than conventionally externally modulated 1550 nm transmission systems.

原文English
頁(從 - 到)279-285
頁數7
期刊Fiber and Integrated Optics
20
發行號3
DOIs
出版狀態Published - 2001 5月

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 原子與分子物理與光學

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