Search Results - Hai-Han Lu
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256 Gb/s Four-Channel SDM-Based PAM4 FSO-UWOC Convergent System
Published 2019-01-01Get full textGiven the rising demand for free-space with underwater environmental monitoring, calamity precaution, and developed industry applications, a free-space optical (FSO)–underwater wireless optical communication (UWOC) convergence is constructed to be an attractive architecture for affording...
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A 50-m/40 Gb/s 680-nm VCSEL-Based FSO Communication
Published 2016-01-01Get full textA 50-m/40-Gb/s 680-nm vertical-cavity surface-emitting laser (VCSEL)-based free-space optical (FSO) communication employing three-stage injection-locked technique and the afocal scheme is proposed and experimentally demonstrated. The three-stage injection-locked technique, which can significantly in...
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Fiber-Wireless and Fiber-IVLLC Convergences Based on MZM-OEO-Based BLS
Published 2016-01-01Get full textFiber-wireless and fiber-invisible laser light communication (IVLLC) convergences that adopt the Mach–Zehnder modulator-optoelectronic oscillator (MZM-OEO)-based broadband light source for microwave (MW)/millimeter-wave (MMW)/baseband (BB) signal transmission are proposed and demonstrated...
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An 8 m/9.6 Gbps Underwater Wireless Optical Communication System
Published 2016-01-01Get full textAn 8 m/9.6 Gbps underwater wireless optical communication (UWOC) system based on a two-stage injection-locked 405 nm blue light laser diode (LD) transmitter with a 16-quadrature amplitude modulation (QAM)-orthogonal frequency-division multiplexing (OFDM) modulating s...
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A High-Speed 84 Gb/s VSB-PAM8 VCSEL Transmitter-Based Fiber–IVLLC Integration
Published 2018-01-01Get full textA high-speed 84 Gb/s vestigial sideband (VSB)–eight-level pulse amplitude modulation (PAM8) fiber-invisible laser light communication (IVLLC) integration based on vertical-cavity surface-emitting laser (VCSEL) transmitter with injection locking scheme is proposed. To the author...
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An 82-m 9 Gb/s PAM4 FSO-POF-UWOC Convergent System
Published 2019-01-01Get full textWith the increasing demand for free-space/underwater environmental monitoring, disaster precaution, and manufacturing industry applications, free-space optical (FSO)-plastic optical fiber (POF)-underwater wireless optical communication (UWOC) convergence is designed to be a promising framework for p...
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WDM Free-Space Optical Communication System of High-Speed Hybrid Signals
Published 2018-01-01Get full textA wavelength-division-multiplexing (WDM) free-space optical (FSO) communication system of a high-speed hybrid signal is proposed and demonstrated in this study. This study is the first to transmit a high-speed hybrid signal mixed with four wavelengths that are modulated with different signals, namel...
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A High-Speed and Long-Reach PAM4 Optical Wireless Communication System
Published 2018-01-01Get full textA high-speed (400 Gb/s) and long-reach (180 m) four-level pulse amplitude modulation (PAM4) optical wireless communication system employing Mach–Zehnder modulator (MZM)-optoelectronic oscillator (OEO) broadband light source (BLS) and doublet lenses is proposed. Analy...
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A 50-m/320-Gb/s DWDM FSO Communication With Afocal Scheme
Published 2016-01-01Get full textThis paper proposes and presents the experimental demonstration of 320-Gb/s free-space optical (FSO) communication based on dense-wavelength-division-multiplexing (DWDM) technology and afocal scheme. To the best of our knowledge, this is the first one that adopts DWDM technology and afocal scheme to...
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A 56 Gb/s PAM4 VCSEL-Based LiFi Transmission With Two-Stage Injection-Locked Technique
Published 2017-01-01Get full textA 56 Gb/s four-level pulse amplitude modulation (PAM4) light-based WiFi (LiFi) transmission based on a 680-nm/5.4-GHz vertical-cavity surface-emitting laser (VCSEL) with a two-stage injection-locked technique is proposed and demonstrated. Experimentally results show that a 5.4-...
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A 5 m/25 Gbps Underwater Wireless Optical Communication System
Published 2018-01-01Get full textA 25-Gbps underwater wireless optical communication (UWOC) system with a two-stage injection-locked 680-nm red-light vertical-cavity surface-emitting laser (VCSEL) transmitter to enhance the frequency response and a laser beam expander to expand the collimated beam diameter over a 5-m highly turbid...
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A Flexible Two-Way PM-Based Fiber-FSO Convergence System
Published 2018-01-01Get full textThis paper aims to propose and conduct a practical demonstration of a flexible two-way phase modulation (PM)-based fiber-free-space optical (FSO) convergence system employing one optical carrier transmission scheme and vertical cavity surface emitting laser (VCSEL)-based tunable optical band-pass fi...
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A 103.12-Gb/s WDM PAM4 VCSEL-Based Transmission With Light Injection and Optoelectronic Feedback Techniques
Published 2017-01-01Get full textA 103.12-Gb/s wavelength-division-multiplexing (WDM) four-level pulse amplitude modulation (PAM4) transmission based on 850-nm and 880-nm vertical-cavity surface-emitting lasers (VCSELs) with light injection and optoelectronic feedback techniques is proposed and experimentally demonstrate...
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A Bidirectional Fiber-Wireless and Fiber-IVLLC Convergence System with a Dual-Polarization Modulation Scheme and an MZM-OEO-Based BLS
Published 2016-01-01Get full textA bidirectional fiber-wireless and fiber-invisible laser light communication (IVLLC) convergence system that adopts a dual-polarization modulation scheme and a Mach–Zehnder modulator (MZM)-optoelectronic oscillator (OEO)-based broadband light source (BLS) for hybrid cable television (CATV...
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