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金崇君
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期刊论文
Transmission of photonic crystal coupledresonator waveguide (PhCCRW) structure enhanced via mode matching
4 April 2005, Vol.13, No.7, OPTICS EXPRESS，-0001，（）：
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 modematching is achieved by low quality-factor modified cavities added to both the input and output ports of the PhCCRW. A three dimensional finitedifference 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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