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Proceedings Paper

Measurement of gain tilt and its contribution to CSO in the analog/digital transmission systems with Er/Yb fiber amplifiers
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Paper Abstract

Fiber optic based analog and/or digital CATV systems experience composite second order distortion (CSO) caused by the interaction between the gain tilt of the doped fiber amplifier and the laser chirp due to modulation. The gain tilt for an analog/digital transmission system using a high power Er-Yb co-doped fiber amplifier has been experimentally measured and its contribution to the CSO of the transmission system is evaluated. The results are in good agreement when compared with the direct measurement of the CSO of the system with and without the amplifier. The dependence of the gain tilt on the input light modulation frequency and the input light wavelength is also investigated.

Paper Details

Date Published: 8 July 2002
PDF: 7 pages
Proc. SPIE 4872, Optical Transmission Systems and Equipment for WDM Networking, (8 July 2002); doi: 10.1117/12.475139
Show Author Affiliations
Puneit Dua, Univ. of Connecticut (United States)
Qiang Wang, Univ. of Connecticut (United States)
Niloy K. Dutta, Univ. of Connecticut (United States)
James J. Jaques, Lucent Technologies/Bell Labs. (United States)

Published in SPIE Proceedings Vol. 4872:
Optical Transmission Systems and Equipment for WDM Networking
Benjamin B. Dingel; Brewster Roe Hemenway; Achyut Kumar Dutta; Ken-Ichi Sato, Editor(s)

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