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01236 am a22001933u 4500 |
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352150 |
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|a Sima, Chaotan
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|a Gates, J.C.
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|a Rogers, Helen
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|a Mennea, Paolo
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|a Holmes, C.
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|a Zervas, M.N.
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|a Smith, P.G.R.
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|a Phase controlled integrated interferometric single-sideband filter based on planar Bragg gratings implementing photonic Hilbert transform
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|c 2013-03-01.
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|u https://eprints.soton.ac.uk/352150/1/5755.pdf
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|a The first monolithically integrated all-optical single-sideband filter based on photonic Hilbert transform and planar Bragg gratings is proposed and experimentally demonstrated. Single-sideband suppression of 12 dB at 6 GHz and sideband switching are achieved via thermal tuning. An X-coupler, photonic Hilbert transformer, flat top reflector and a micro heater are incorporated in a single silicon-on-silica substrate. The device can be thermally tuned by the micro heater on top of the channel waveguide. The device is fabricated using a combination of direct UV grating writing technology and photolithography.
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