We examine the practicability of the visible-light communication (VLC) transceiver for bidirectional high-speed and short-range communications. A visible-light peripheral interface could be a novel approach, visualizing the veiled security feature of light by employing visible lights as communication media beyond its intended applications, such as illumination and display. The proposed VLC transceivers are implemented with edge-an emitting laser diode and a silicon photodiode, which is primarily designed to operate in a full duplex mode at 120 Mbit/s. The shielding method that is employed to reduce the light cross-coupling effect inside the VLC transceiver is proposed and experimentally investigated. The bit error rate performance of the proposed VLC transceiver is examined with respect to the transmission distance and the coverage.
KEYWORDS: Signal generators, Signal processing, Fiber Bragg gratings, Optical logic, Optical fibers, Packet switching, All optical signal processing, Electronics, Optical signal processing, Computer architecture
A novel header recognition scheme using variable keyword generator and optical logic XOR gate with loop is proposed.
The proposed optical header recognition is realized all-optically, and is expected to operate in over 40 Gbps. The
simulation results show its feasibility to recognize bit patterns of header at 10 Gbit/s and beyond.
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