Abstract
We propose and experimentally demonstrate a hybrid CATV/16-QAM-Digital CATV/16-QAM-OFDM in-building network over a 40-km single-mode fiber and graded index-plastic optical fiber/10-m visible light communication. The application of external injection technology with the addition of an optoelectronic feedback that raises the resonance frequency of the laser diode results in increased system transmission capability. Good performances of carrier-to-noise ratio, composite second-order, and composite triple-beat are obtained for the CATV signal. A low bit-error-rate value is achieved for the 16-QAM-Digital CATV/16-QAM-OFDM signal.
Highlights
Fiber-optic communication has become an important fundamental facility in the communication development of every country because it provides effective broadband integration communication service
A network structure built with a single-mode fiber (SMF) is well known to be capable of providing users high-quality transmission service
Another optical signal is detected by a PD, and the detected radio frequency (RF) signal is supplied to the vertical cavity surface emitting laser (VCSEL)-based visible light communication (VLC) subsystem
Summary
Fiber-optic communication has become an important fundamental facility in the communication development of every country because it provides effective broadband integration communication service. Meeting the rapid development of message technology generates an increased demand for high speed and wide bandwidth of indoor wired/ wireless broadband access networks [e.g., plastic fiber-optic transmission system or visible light communication (VLC)]. A network structure built with a single-mode fiber (SMF) is well known to be capable of providing users high-quality transmission service. Li, Ying, and Lin: Hybrid CATV/16-QAM-Digital CATV/16-QAM-OFDM in-building network over passive optical network Both plastic fiber and visible laser communication in a fiber transmission system. The system offers complete broadband service for cable TV, telecom, and the Internet It provides an integration of optical fiber backbone and indoor access, and reveals its convenient last-mile application for final users, making it very appealing for advanced fiber-to-the-home (FTTH) application
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