Search Results - "COSTA, E. M. M. B"
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Differential Recovery of Candida Species from Subgingival Sites in Human Immunodeficiency Virus-Positive and Healthy Children from Rio de Janeiro, Brazil
Published in Journal of Clinical Microbiology (01-12-2004)“…Article Usage Stats Services JCM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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Journal Article -
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Jugulodigastric lymph node size by age on CT in an adult cancer-free population
Published in Clinical imaging (01-01-2018)“…Evaluate jugulodigastric node size in cancer-free patients. Retrospective review of 234 neck CT angiograms was performed. Known neoplasm, inflammation or poor…”
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Study on optimum fiber length for maximum gain in C- and L-band EDFAs
Published in Optics communications (15-10-2006)“…We study the optimum fiber length for maximum gain of C- and L-band Erbium Doped Fiber Amplifiers (EDFAs) with fixed pump power. We show that the dependence of…”
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Evaluation of renal function in sickle cell disease patients in Brazil
Published in Brazilian journal of medical and biological research (01-07-2012)“…The objective of this study was to investigate renal function in a cohort of 98 patients with sickle cell disease (SCD) followed up at a tertiary hospital in…”
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Raman enhanced parametric amplifier based S–C band wavelength converter: Experiment and simulations
Published in Optics communications (15-11-2005)“…We report a theoretical and experimental characterization of a Raman enhanced fiber based parametric amplifier, extending prior work. A 10dB gain enhancement…”
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Dual-Threshold Balanced Homodyne Detection at 1550 nm Optical Fiber Quantum Key Distribution System
Published in Journal of lightwave technology (01-08-2009)“…We present a flexible quantum key distribution (QKD) system implementation using quadrature phase-shift keying (QPSK) encoding. Two detection techniques are…”
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Characterization of efficient dual-wavelength (1050 + 800 nm) pumping scheme for thulium-doped fiber amplifiers
Published in IEEE photonics technology letters (01-02-2003)“…We report on the characterization of a recently introduced dual-wavelength pumping scheme for thulium-doped fiber amplifiers using 800 and 1050 nm. Using a…”
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BIT error rate and noise in S-band TDFA-amplified 10-Gb/s optical transmission
Published in Microwave and optical technology letters (20-08-2003)“…We report on the measurements and calculations of bit error rate (BER) and noise figure (NF) in an up‐conversion‐pumped thulium‐doped fiber amplifier for the S…”
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POLYSACCHARIDES FROM ALOE BARBADENSIS REDUCE THE SEVERITY OF BACTERIAL SPOT AND ACTIVATE DISEASE-RELATED PROTEINS IN TOMATO
Published in Journal of plant pathology (01-07-2012)“…Bacterial spot is an important disease of tomato that causes a reduction of the leaf area and affects plant yield. The objective of this study was to evaluate…”
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One-way Differential QPSK Quantum Key Distribution with Channel Impairments Compensation
Published in 2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference (01-06-2007)“…Summary form only given. We report an experimental demonstration of a BB84 QKD one-way system using fainted pulses and a QPSK key format including a…”
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Conference Proceeding -
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TDFA/Raman hybrid amplifiers covering the entire S-band pumped by a single laser
Published in IEEE photonics technology letters (01-10-2005)“…Hybrid amplifier configurations are reported cascading one Raman and one or two Tm/sup 3+/-doped fiber stages, using a single pump at 1426 nm, allowing…”
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Integrating a QPSK Quantum Key Distribution Link
Published in 2006 European Conference on Optical Communications (01-09-2006)“…We present the integration of the optical and electronic subsystems of a BB84-QKD fiber link. A high speed FPGA MODEM generates the random QPSK sequences for a…”
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Conference Proceeding -
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Using tunable coherent reflectometry to optimize ER-doped L-band amplifiers
Published in Microwave and optical technology letters (05-02-2004)“…The use of tunable coherent reflectometry is an efficient technique to characterize doped‐fiber amplifiers. This technique is used to perform tests with EDF in…”
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Photon Counting and Super Homodyne Detection of Weak QPSK Signals for Quantum Key Distribution
Published 11-11-2006“…EOS 2006 Annual meeting Proceeding We compare the principles and experimental results of two different QPSK signal detection configurations, photon counting…”
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Homodyne QPSK Detection for Quantum Key Distribution
Published 09-11-2006“…COTA/OSA Conference Proceeding 2006 We present a QKD system with fainted pulses using self-homodyne coherent detection in optical fibers at 1543nm. BB84…”
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Homodyne detection for quantum key distribution: an alternative to photon counting in BB84 protocol
Published 06-11-2006“…This paper presents the principles and experimental results of an optical fiber QKD system operating at 1550 nm, and using the BB84 protocol with QPSK signals…”
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Integrating a QPSK Quantum Key Distribution Link
Published 09-11-2006“…ECOC 2006 Proceeding We present the integration of the optical and electronic subsystems of a BB84-QKD fiber link. A highspeed FPGA MODEM generates the random…”
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Auto-compensating Quantum Cryptosystem using Homodyne Detection
Published in OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference (01-02-2008)“…We implement an experimental quantum cryptosystem using standard 1550 nm channel devices with auto-compensation for phase instabilities in which balanced…”
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Conference Proceeding