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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

[en] FPGA APPLICATIONS ON SINGLE PHOTON DETECTION SYSTEMS / [pt] APLICAÇÕES DE FPGA EM SISTEMAS DE DETECÇÃO DE FÓTONS ÚNICOS

GUSTAVO CASTRO DO AMARAL 12 March 2015 (has links)
[pt] Apesar da alta sensibilidade alcançada por Fotodetectores comercialmente disponíveis, a implementação de circuitos de gerenciamento é capaz de fortalecer a robustez das medidas, criando um aparato com mais recursos em aplicações específicas. Duas aplicações práticas dessa hipótese são apresentadas em contextos diferentes, Criptografia Quântica e Monitoramento de Fibras Ópticas fazendo uso da plataforma FPGA. / [en] Despite the high sensitivity reached by Photon Detectors so far, the implementation of a background managing system often enforces the robustness of measurements thus creating a resourceful apparatus for specific applications. In this document, the management tools offered by Software Defined Hardware (SDHs) is put to test. By associating the power of FPGAs and Photon Detectors, enhanced measurement stations were assembled. Two different applications, a Bell State Projection Analysis Station and a Photon Counting Optical Time Domain Reflectometry (v-OTDR)Automatic Setup, are presented. Even though both experiments involve the detection of single photons, the background technologies differ drastically.

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