Search Results - "Inwoong Kim"

Electronic post-compensation of WDM transmission impairments using coherent detection and digital signal processing by Li, Xiaoxu, Chen, Xin, Goldfarb, Gilad, Mateo, Eduardo, Kim, Inwoong, Yaman, Fatih, Li, Guifang

“…A universal post-compensation scheme for fiber impairments in wavelength-division multiplexing (WDM) systems is proposed based on coherent detection and…”
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Minimizing the Number of Spans for Terrestrial Fiber-Optic Systems Using Quasi-Single-Mode Transmission by Jian Zhao, Inwoong Kim, Vassilieva, Olga, Ikeuchi, Tadashi, Wei Wang, He Wen, Guifang Li

“…We show that quasi-single-mode transmission in few-mode fibers (FMFs) can reduce the number of spans for a fixed transmission distance and, consequently, the…”
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Mitigation and Monitoring of the Impact of Extinction Ratio of IQ-Modulator on Nyquist M-QAM Signals by Inwoong Kim, Vassilieva, Olga, Palacharla, Paparao, Sekiya, Motoyoshi

“…We present the analysis of the distortion of optical constellations, induced by IQ-modulator with finite extinction ratio, for NRZ and Nyquist M-QAM signals…”
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Intra-Node Contention in Dynamic Photonic Networks by Feuer, Mark D, Woodward, Sheryl L, Palacharla, Paparao, Xi Wang, Inwoong Kim, Bihon, Daniel

“…Dynamic photonic networks rely on colorless, non-directional Reconfigurable Optical Add/Drop Multiplexer (ROADM) nodes to enable rapid re-routing of wavelength…”
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Analysis and demonstration of network utilization improvement through format-agnostic multi-channel wavelength converters by Ishii, Kiyo, Inoue, Takashi, Kim, Inwoong, Wang, Xi, Tan, Hung Nguyen, Zhang, Qiong, Ikeuchi, Tadashi, Namiki, Shu

“…The effectiveness of using all-optical wavelength converters (AO-WCs) to improve optical network utilization is evaluated by performing both network…”
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Analysis of Nonlinearity Mitigation Using Spectral Inversion for Superchannel Transmission by Inwoong Kim, Vassilieva, Olga, Palacharla, Paparao, Sekiya, Motoyoshi, Ikeuchi, Tadashi

“…We propose a simplified analytical model for the estimation of nonlinearity mitigation using spectral inversion. We demonstrate excellent agreement between…”
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All-Optical Carrier Synchronization Using a Phase-Sensitive Oscillator by Inwoong Kim, Croussore, K., Xiaoxu Li, Guifang Li

“…An all-optical carrier synchronization (carrier-phase and polarization recovery) scheme from binary phase-shift keying signals is proposed and demonstrated for…”
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180-GHz clock recovery using a multisection gain-coupled distributed feedback laser by Inwoong Kim, Cheolhwan Kim, Guifang Li, LiKamWa, P., Jin Hong

“…All-optical clock recovery from 180-Gb/s data streams has been demonstrated using a self-pulsing multisection gain-coupled distributed feedback laser. The…”
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Coherent Detection Using Optical Time-Domain Sampling by Xin Chen, Xin Chen, Xiaobo Xie, Xiaobo Xie, Inwoong Kim, Inwoong Kim, Guifang Li, Guifang Li, Hanyi Zhang, Hanyi Zhang, Bingkun Zhou, Bingkun Zhou

“…Coherent optical time-domain sampling is proposed to relax the requirement for photodetector bandwidth as well as the speed of analog-to-digital converter…”
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Service Velocity: Rapid Provisioning Strategies in Optical ROADM Networks by Woodward, S., Feuer, M., Inwoong Kim, Palacharla, P., Xi Wang, Bihon, D.

“…The advent of reconfigurable optical add/drop multiplexers with colorless and non-directional add/drop ports enables transponders and regenerators to be…”
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Systematic analysis of intra-superchannel nonlinear crosstalk in flexible grid networks by Vassilieva, Olga, Yamauchi, Tomohiro, Oda, Shoichiro, Inwoong Kim, Hoshida, Takeshi, Aoki, Yasuhiko, Rasmussen, Jens C., Sekiya, Motoyoshi

“…Intra-superchannel nonlinear crosstalk affects center subcarriers of multi-carrier superchannels more than the edge subcarriers; its impact on center…”
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Experimental Study of Pattern-Independent Phase Noise Accumulation in an All-Optical Clock Recovery Chain Based on Two-Section Gain-Coupled DFB Lasers by Leiria, M.R.G., Inwoong Kim, Cartaxo, A.V.T., Guifang Li

“…The pattern-independent phase noise accumulation in a chain of all-optical clock recovery devices (CRDs) based on two-section gain-coupled distributed feedback…”
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Optical microwave/millimeter-wave links using direct modulation of two-section gain-coupled DFB lasers by Cheolhwan Kim, Inwoong Kim, Guifang Li, Lange, M.R., Dimmick, T.E., Langlois, P., Reid, B.

“…Transmission of 155-Mb/s binary phase-shift-keying-modulated microwave/millimeter-wave (MMW) signal on an optical carrier over up to 80 km of standard…”
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Dynamics of all-optical clock recovery using two-section index- and gain-coupled DFB lasers by Inwoong Kim, Cheolhwan Kim, LiKamWa, P.L., Guifang Li

“…The dynamics of coherent clock recovery (CR) using self-pulsing two-section distributed feedback (TS-DFB) lasers have been investigated. Both simulation and…”
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Regenerator predeployment in CN-ROADM networks with shared mesh restoration [invited] by Inwoong Kim, Palacharla, Paparao, Xi Wang, Qiong Zhang, Bihon, Daniel, Feuer, Mark D., Woodward, Sheryl L.

“…We have studied the resource requirements and capacity of a continental-scale backbone network supporting shared mesh restoration (SMR) and service velocity (a…”
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A hitless defragmentation method for self-optimizing flexible grid optical networks by Xi Wang, Inwoong Kim, Qiong Zhang, Palacharla, Paparao, Sekiya, Motoyoshi

“…We present an auto-defragmentation method to continuously `defrag' flexible grid optical networks without service disruption. Signal dependency map is…”
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Statistical analysis of the interplay between nonlinear and PDL effects in coherent polarization multiplexed systems by Vassilieva, Olga, Inwoong Kim, Sekiya, Motoyoshi

“…Statistical analysis of Q-factor distribution for combined NL and PDL effects reveals that interplay between NL and PDL effects changes the shape and width of…”
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Guaranteed-Availability Network Function Virtualization with Network Protection and VNF Replication by Jian Kong, Inwoong Kim, Xi Wang, Qiong Zhang, Cankaya, Hakki C., Weisheng Xie, Ikeuchi, Tadashi, Jue, Jason P.

“…Network function virtualization (NFV) provides an efficient and flexible way to deploy network services in the form of service function chains (SFCs) by…”
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Enabling Technologies for Fiber Nonlinearity Mitigation in High Capacity Transmission Systems by Vassilieva, Olga, Kim, Inwoong, Ikeuchi, Tadashi

“…Fiber nonlinearity has become a major limiting transmission impairment factor. In this paper, we discuss various nonlinearity mitigation techniques in…”
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On the Fairness of the Performance Evaluation of Probabilistically Shaped QAM Signals by Vassilieva, Olga, Kim, Inwoong, Ikeuchi, Tadashi

“…In this work, we compare the performance of probabilistically shaped (PS) QAM systems with reference uniform QAM under two conditions: (1) for the same…”
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