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01247 am a22002173u 4500 |
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263612 |
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|a Mashanovich, G.Z.
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|a Reed, G.T.
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|a Headley, W.R.
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|a Timotijevic, B.
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|a Passaro, V.M.N.
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|a Ensell, G.
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|a Atta, R.
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|a Evans, A.
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|a A high efficiency input/output coupler for small silicon photonic devices
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|c 2005.
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|z Get fulltext
|u https://eprints.soton.ac.uk/263612/1/Masanovich_2005.pdf
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|a Coupling light from an optical fibre to small optical waveguides is particularly problematic in semiconductors, since the refractive index of the silica fibre is very different from that of a semiconductor waveguide. There have been several published methods of achieving such coupling, but none are sufficiently efficient whilst being robust enough for commercial applications. In this paper experimental results of our approach called a Dual-Grating Assisted Directional Coupler, are presented. The principle of coupling by this novel method has been successfully demonstrated, and a coupling efficiency of 55% measured.
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