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Proceedings Paper

Link-budget optimization in multichannel AM-VSB/QAM lightwave video trunking system with erbium-doped fiber amplifiers
Author(s): Hongxing Dai; Jin-Yi Pan; Chinlon Lin
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Paper Abstract

We discuss the CNR performance and optical link-budget optimization in 1550-nm EDFA-based video lightwave transmission systems for video trunking applications. The operating point of the in-line EDFAs was determined by balancing the requirement for achieving a targeted CNR and a largest-possible link-budget. In addition, a 120-km multichannel AM-VSB/256-QAM video lightwave trunking system using two in-line EDFAs was demonstrated. At the optimum plus 3-dBm EDFA's input optical power, the 1550-nm AM/QAM video lightwave trunking system offers an AM CNR greater than 49-dB with CSO and CTB distortions less than minus 65- dBc as well as nearly error-free 256-QAM transmission. The overall system link-budget was greater than 35-dB.

Paper Details

Date Published: 4 November 1996
PDF: 8 pages
Proc. SPIE 2917, Broadband Access Systems, (4 November 1996); doi: 10.1117/12.257360
Show Author Affiliations
Hongxing Dai, Bell Communications Research (United States)
Jin-Yi Pan, Bell Communications Research (United States)
Chinlon Lin, Bell Communications Research (United States)


Published in SPIE Proceedings Vol. 2917:
Broadband Access Systems
Wai Sum Lai; Indra Widjaja; Dennis Karvelas; Sam T. Jewell; Curtis A. Siller; Indra Widjaja; Dennis Karvelas, Editor(s)

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