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Note: The following files were submitted by the author for peer review, but cannot be converted to PDF. You must view these files (e.g. movies) online. Abstract This paper studies the performance of multihop free-space optical (FSO) systems using the subcar-rier binary phase-shift keying modulation (BPSK) over atmospheric turbulence channels. We propose a(More)
A stacked-FET power amplifier (PA) with harmonic- tuned output matching network is demonstrated using a 0.15-μm Gallium Arsenide (GaAs) technology. The fabricated PA exhibits 28.5 dBm output power, 12 dB gain and 38.4% power added efficiency (PAE). To the best of our knowledge, this is for the first time stacked-FET technique is used in combining(More)
This paper proposes a novel free-space quantum key distribution (QKD) system using subcarrier intensitymodulation (SIM) binary phase-shift-keying (BPSK) and dualthreshold/direct-detection (DT/DD) receiver with an avalanche photodiode (APD). The proposed system enables the adoption of well-developed analytical models in conventional free-space optical (FSO)(More)
Measures of effect size are recommended to communicate information on the strength of relationships. Such information supplements the reject/fail-to-reject decision obtained in statistical hypothesis testing. Because sample effect sizes are subject to sampling error, as is any sample statistic, computing confidence intervals for these statistics is a useful(More)