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|Title: ||“Compact and low-loss bent hollow waveguides with distributed Bragg reflector”|
|Authors: ||Hua-Kung Chiu;Fu-Li Hsiao;Chia-Hua Chan;Chii-Chang Chen|
|Issue Date: ||2010-11-10T07:29:01Z
|Abstract: ||In this study, a hollow bent waveguide with distributed Bragg reflectors (DBR) in silicon substrate was presented theoretically and
experimentally. We used the two-dimensional finite-difference time-domain method to simulate bending transmission efficiencies for arc- and cut-type 90o-bent waveguides. The air core was embedded by Si3N4/SiO2 multilayer. The multilayer stacks were deposited by using plasma-enhanced chemical vapor deposition on the top and bottom of air core. The lowest 90 degree bending loss is around 3.9dB for the arc-type bending waveguides and 0.8dB for cut-type bending waveguides, respectively. This waveguide demonstrates a possibility for higher density of integration in planar light wave circuits.
|Relation: ||Opt. Express vol. 16, no. 19, pp. 15069 (2008 I.F.=3.880)|
|Appears in Collections:||[光電科技研究所] 期刊論文|
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