Search Results - Yuanxiang Chen
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Multi-Impairment Compensation for CO-OFDM System Based on Deep Learning and LDPC Code
Published 2024-01-01Get full textIn this article, we propose a multi-impairment compensation scheme based on deep learning and low-density parity-check (LDPC) code for the coherent optical orthogonal frequency division multiplexing (CO-OFDM) system. We first propose a multi-impairment compensation autoencoder (MICAE) based on deep...
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Multi Wings Chaotic Encryption Scheme for PAM-DMT-Based Optical Access Network
Published 2021-01-01Get full textIn this paper, we propose a novel 3-dimension multi wings chaotic encryption scheme for PAM-DMT-based optical wireless access network. In our proposed scheme, one dimension (x) is used for XOR operation, one dimension (y) is used for confusion of PAM signal's amplitude and one dimension (...
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16-QAM Vector Terahertz-Wave Signal Generation by Simple MZM-Based Optical Frequency Comb
Published 2021-01-01Get full textA novel photonic vector THz-wave signal generation at terahertz-wave (THz-wave) band by Mach Zendell modulator (MZM) -based optical frequency comb and in-phase and quadrature (IQ) modulator for signal modulation scheme is proposed. And we demonstrate 16 quadrature-amplitude-modulation (QAM) vector T...
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A Novel Phase Noise Suppression Scheme Utilizing Gaussian Wavelet Basis Expansion for PDM CO-OFDM Superchannel
Published 2020-01-01Get full textIn this paper, we propose a novel Gaussian wavelet basis expansion-based phase noise suppression scheme for polarization-division-multiplexing (PDM) coherent optical orthogonal frequency division multiplexing (CO-OFDM) superchannel. We analyze the phase noise suppression principle of Gaussian wavele...
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Terahertz-Wave Generation Based on Optical Frequency Comb and Single Mach-Zehnder Modulator
Published 2020-01-01Get full textA novel Terahertz-wave (THz-wave) generation on the strength of optical frequency comb and single push-pull Mach-Zehnder modulator (MZM) with a pair of transmitter and receiver in 0.4-THz band is proposed. The advantages of the optical frequency comb based on phase modulator (PM) 1 and PM2 in series...
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Wavelength Reuse for Short-Reach Optical Access Network Utilizing MDM
Published 2017-01-01Get full textWavelength reuse has been proposed as an effective solution to realize colorless optical network units (ONUs) for next-generation passive optical network with simplified maintenance and reduced cost. In this paper, we propose a wavelength reused mode-division-multiplexing (MDM) scheme for bidirectio...
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MDM-TDM PON Utilizing Self-Coherent Detection-Based OLT and RSOA-Based ONU for High Power Budget
Published 2016-01-01Get full textA cost-effective mode-division-multiplexing and time-division-multiplexing passive optical network (MDM-TDM PON) utilizing a self-coherent detection for upstream signal at optical line terminal (OLT) and a high-gain reflective semiconductor optical amplifier (RSOA) as an optical amplifier for a down...
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