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Published in 2018 at "New Journal of Physics"
DOI: 10.1088/1367-2630/aae86e
Abstract: The Sagnac speed metre topology has been identified as a promising technique to reduce quantum back-action in gravitational-wave interferometers. However, imbalance of the main beamsplitter has been shown to increase the coupling of laser noise…
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Keywords:
quantum noise;
speed;
balanced homodyne;
noise ... See more keywords
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Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.030552
Abstract: Balanced homodyne detection relies on a beam splitter to superpose the weak signal input and strong local oscillator. However, recent investigation shows that a high gain phase sensitive amplifier (PSA) can be viewed as homodyne…
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Keywords:
parametric amplifier;
balanced homodyne;
homodyne detection;
entanglement ... See more keywords