Ultralow-loss 3-dB photonic crystal waveguide splitter

Lars Hagedorn Frandsen, Peter Ingo Borel, Yanxin Zhuang, Anders Harpøth, Morten Thorhauge, Martin Kristensen, Wim Bogaerts, P. Dumon, Roel Baets, V. Wiaux, J. Wouters, S. Beckx

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A photonic crystal waveguide splitter that exhibits ultralow-loss 3-dB splitting for TE-polarized light is fabricated in silicon-on-insulator material by use of deep UV lithography. The high performance is achieved by use of 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 three-dimensional finite-difference time-domain modeling with no adjustable parameters are found to be in excellent agreement with the experimental results.
Original languageEnglish
JournalOptics Letters
Volume29
Issue number14
Pages (from-to)1623-1625
ISSN1094-4087
Publication statusPublished - 2004

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