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01392 am a22002053u 4500 |
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264920 |
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|a Jin, C.
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|a Johnson, N.P.
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|a Chong, H.M.H.
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|a Jugessar, A.S.
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|a Day, S.
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|a Gallagher, D.
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|a De La Rue, R.M.
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|a Transmission of PhC coupled-resonator waveguide (PhCCRW) structure enhanced via mode matching
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|c 2005-04-04.
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|z Get fulltext
|u https://eprints.soton.ac.uk/264920/1/TRANSMISSION_OF_PHOTONIC_CRYSTAL_COUPLED-RESONATOR_WAVEGUIDE_PHCCRW_STRUCTURE_ENHANCED_VIA_MODE_MATCHING_2005.pdf
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|a A method for increasing the coupling efficiency between ridge optical waveguides and PhCCRWs is described. This increase is achieved via W1 channel waveguide sections, formed within a two-dimensional triangular lattice photonic crystal using mode-matching. The mode-matching is achieved by low quality-factor modified cavities added to both the input and output ports of the PhCCRW. A three dimensional finite-difference time-domain method has been used to simulate light propagation through the modified PhCCRW. We have fabricated PhCCRWs working at 1.5µm in silicon-on-insulator material. Measurements and simulations show that the overall transmission is improved by a factor of two.
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