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Browsing by Subject "Optical modulation"

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Browsing by Subject "Optical modulation"

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    16-QAM Photonic Vector Modulator for Gigabit Wireless Links 
    Sambaraju, Rakesh (Universitat Politècnica de València, 2013-02-26)
    [ES] Esta Tesina se centra en el uso de técnicas fotónicas aplicadas en los enlaces inalámbricos de alta capacidad en el rango de frecuencias de ondas milimétricas. En concreto, se ha propuesto una nueva técnica llamada ...
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    Centralized full-duplex seamless photonic mmW fronthaul link based on phase modulation 
    Bohata, J.; Botella-Campos, Marta; Mora Almerich, José; Ortega Tamarit, Beatriz; Zvanovec, S. (The Optical Society, 2024-06)
    [EN] We experimentally demonstrate a photonic full-duplex seamless millimeter wave fronthaul link, based on phase modulation, to address the challenges arising from the increased demands on the mobile fronthaul capacity ...
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    High-Order UWB Pulses Generation Adaptable to Bi-Phase Modulation 
    Rius Mercado, Manuel; Bolea Boluda, Mario; Mora Almerich, José; Capmany Francoy, José (Institute of Electrical and Electronics Engineers (IEEE), 2016-11-01)
    In this letter, we present a high-order impulseradio ultra-wideband (UWB) pulses generator based on the processing of incoherent optical signals by a dispersive element. The full waveform reconfigurability is achieved by ...
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    Integrated Microwave Photonics Coherent Processor for Massive-MIMO Systems in Wireless Communications 
    Martínez-Carrasco Romero, Pablo; Rausell-Campo, Jose Roberto; Pérez-Galacho, Diego; Li, Xu; Qing, Ting; Pérez-López, Daniel; Wang, Tiangxiang (Institute of Electrical and Electronics Engineers, 2023-11)
    [EN] Massive-MIMO systems can achieve high capacities and data rates by increasing the number of operational antennas in the base station. As more antenna elements are introduced, the complexity of the signal processing ...
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    Reconfigurable Activation Functions in Integrated Optical Neural Networks 
    Rausell-Campo, Jose Roberto; Pérez-López, Daniel (Institute of Electrical and Electronics Engineers, 2022-07)
    [EN] The implementation of nonlinear activation functions is one of the key challenges that optical neural networks face. To the date, different approaches have been proposed, including switching to digital implementations, ...
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    Remote Photonic THz Generation Using an Optical Frequency Comb and Multicore Fiber 
    Morant, Maria; González-Guerrero, Luis; Renaud, Cyril C.; Llorente, Roberto (Institute of Electrical and Electronics Engineers, 2021-12-15)
    [EN] This paper proposes and demonstrates a photonic THz generation technique based on an optical frequency comb and multicore fiber (MCF) transmission, with the advantage of remote generation with great reconfigurability ...