Influence to 16-QAM of CATV using the third-order pumped distributed Raman amplifier

Qin Wang; Ying Gao; Shaoling Huang; Jing Cao

doi:10.1117/12.2035271

23 December 2013 Influence to 16-QAM of CATV using the third-order pumped distributed Raman amplifier

Qin Wang, Ying Gao, Shaoling Huang, Jing Cao

Proceedings Volume 9043, 2013 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing; 90430N (2013) https://doi.org/10.1117/12.2035271
Event: International Conference on Optical Instruments and Technology (OIT2013), 2013, Beijing, China

Abstract

In order to study the practical applicabality of the 3rd-order distributed Raman amplifier (DRA) in Cable Antenna Television (CATV) system, the structure of the 3rd-order DRA is put forward firstly, and the effect of higher order simulated Raman scattering is investigated. Moreover a simulated 3rdorder DRA-CATV system over 120 km fiber is set up to study its performance of 16-QAM as the main digital signal. In order to compare the performances, a simulated 1st-order DRA-CATV system is also set up. Simulation results indicate that the bit error rate (BER) of 16-QAM in the 3rd-order DRACATV system is lower than that in the 1st-order DRA-CATV system. The theory results are beneficial to apply a higher-order Raman pumping (HOP) DRA for the future experiment.

Citation Download Citation

Qin Wang, Ying Gao, Shaoling Huang, and Jing Cao "Influence to 16-QAM of CATV using the third-order pumped distributed Raman amplifier", Proc. SPIE 9043, 2013 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, 90430N (23 December 2013); https://doi.org/10.1117/12.2035271

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KEYWORDS

Raman spectroscopy

Quadrature amplitude modulation

Terahertz radiation

Amplifiers

Optical amplifiers

Raman scattering

Fiber amplifiers

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