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Journal Article
Optimization of Coherent Optical OFDM Transmitter using DP-IQ Modulator with Nonlinear Response
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- Authors
- Sun Hyok Chang, Hun-Sik Kang, Sang-Rok Moon, Joon Ki Lee
- Issue Date
- 2016-07
- Citation
- Optical Fiber Technology, v.30, pp.112-115
- ISSN
- 1068-5200
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- In this paper, we investigate the performance of dual polarization orthogonal frequency division multiplexing (DP-OFDM) signal generation when the signal is generated by a DP-IQ optical modulator. The DP-IQ optical modulator is made of four parallel Mach-Zehnder modulators (MZMs) which have nonlinear responses and limited extinction ratios. We analyze the effects of the MZM in the DP-OFDM signal generation by numerical simulation. The operating conditions of the DP-IQ modulator are optimized to have the best performance of the DP-OFDM signal.
- KSP Keywords
- Best performance, Coherent optical orthogonal frequency division multiplexing(CO-OFDM), Dual-polarization, IQ modulator, Mach-Zehnder(MZ), Numerical simulation(Trnsys16), OFDM signals, Operating condition, Optical OFDM, Optical modulator, Orthogonal Frequency-Division Multiplexing(OFDM)