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An FPGA Implementation of a Gb/s OFDM Transmitter and Receiver for Fiber Telecommunication Applications

University of Arizona researchers have invented a Field-Programmable Gate Array (FPGA) implementation of Orthogonal Frequency Division Multiplexing (OFDM) transmitter (Tx) and receiver (Rx). The design has two variants. One for direct detection OFDM and one for coherent OFDM based on self-coherent reception. This technology will allow for easier,...

Published: 4/3/2023 | Inventor(s): Stanley Johnson, Milorad Cvijetic

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Imaging & Optics > Telecommunications > Electro-Optic Devices

High Efficient Continuous Wave and Mode-Locked Lasers Powered by Solar Energy

Faculty at the University of Arizona have developed a compact, efficient solar-powered laser that uses triple junction photovoltaic cells to power semiconductor and mode-locked lasers. Existing solar-pumped lasers use an arc-metal-halide lamp pump that requires bulky concentrating optics and is power inefficient. By using a triple junction photovoltaic...

Published: 8/1/2024 | Inventor(s): Stanley Pau, Khanh Kieu, Stanley Johnson

Keywords(s): energy conversion, mode-locked laser, semiconductor laser, solar photovoltaic

Category(s): Technology Classifications > Engineering & Physical Sciences