PROCEEDINGS OF THE ITE ANNUAL CONVENTION
Online ISSN : 2424-2292
Print ISSN : 1343-1846
ISSN-L : 1343-1846
2004
Session ID : 15-3
Conference information

Name : 2004 ITE Annual Convention

Location : [in Japanese]

Date : August 25, 2004 - August 27, 2004

15-3 A Long Haul Optical Transmission Experiment of Terrestrial Digital Broadcasting Signals Using a Raman Amplifier
Tsuyoshi NAKATOGAWA, Mikio MAEDA, Kimiyuki OYAMADA
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Abstract
The CNR of 22 dB was achieved after 300 km optical transmission of ISDB-T signals with a distributed Raman amplifier. Excess pumping causes CNR degradation due to double-Rayleigh scattering. An appropriate gain allocation to EDFA and Raman amplifier depending on the transmission distance is necessary to obtain the optimal CNR.
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© 2004 The Institute of Image Information and Television Engineers
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