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Authors: L.H. Frandsen, P.I. Borel, Y.X. Zhuang, A. Harpoeth, M. Thorhauge, M. Kristensen, W. Bogaerts, P. Dumon, R. Baets, V. Wiaux, S. Beckx, J. Wouters
Title: Ultra Low Loss 3 dB Photonic Crystal Waveguide Splitter
Format: International Journal
Publication date: 7/2004
Journal/Conference/Book: Optics Letters
Volume(Issue): 29(14) p.1623-1625
Internal Reference: [N-308]
Download: Download this Publication (731KB) (731KB)

Abstract

A photonic crystal waveguide splitter that exhibits ultra low loss 3-dB splitting for TE-polarized light has been fabricated in silicon-on-insulator material using deep ultraviolet lithography. The high performance is achieved by utilizing a Y-junction, which is designed to ensure single-mode operation, and low loss 60° bends. Zero loss 3 dB output is experimentally obtained in the range 1560-1585 nm. Results from 3D Finite-Difference Time-Domain modeling with no adjustable parameters are found to be in excellent agreement with the experimental results.

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