Transmission and group-delay characterization of coupled resonator optical waveguides apodized through the longitudinal offset technique |
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Authors: | Doménech J D Muñoz P Capmany J |
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Institution: | Optical and Quantum Communications Group, ITEAM Research Institute, Universidad Politécnica de Valencia, Camí de Vera s/n, 46020 Valencia, Spain. jodogo@iteam.upv.es |
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Abstract: | In this Letter, the amplitude and group delay characteristics of coupled resonator optical waveguides apodized through the longitudinal offset technique are presented. The devices have been fabricated in silicon-on-insulator technology employing deep ultraviolet lithography. The structures analyzed consisted of three racetracks resonators uniform (nonapodized) and apodized with the aforementioned technique, showing a delay of 5 ± 3 ps and 4 ± 0.5 ps over 1.6 and 1.4 nm bandwidths, respectively. |
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