Link-budget optimization in multichannel AM-VSB/QAM lightwave video trunking system with erbium-doped fiber amplifiers

Hongxing Dai; Jin-Yi Pan; Chinlon Lin

doi:10.1117/12.257360

4 November 1996 Link-budget optimization in multichannel AM-VSB/QAM lightwave video trunking system with erbium-doped fiber amplifiers

Hongxing Dai, Jin-Yi Pan, Chinlon Lin

Author Affiliations +

Proceedings Volume 2917, Broadband Access Systems; (1996) https://doi.org/10.1117/12.257360
Event: Photonics East '96, 1996, Boston, MA, United States

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.

Citation Download Citation

Hongxing Dai, Jin-Yi Pan, and Chinlon Lin "Link-budget optimization in multichannel AM-VSB/QAM lightwave video trunking system with erbium-doped fiber amplifiers", Proc. SPIE 2917, Broadband Access Systems, (4 November 1996); https://doi.org/10.1117/12.257360

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