Insights from a systematic study of crosstalk in adiabatic couplers

Vincent Ng*, Alessandro Tuniz, Judith M. Dawes, C. Martijn De Sterke

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

We investigate how the performance of an adiabatic coupler depends on the detailed coupler properties. After verifying the accuracy of an analytic expression for the fraction of energy that is not coupled into the desired waveguide (i.e., the crosstalk), we consider how the center and the ends of adiabatic couplers contribute to the total crosstalk. We find that for short coupler lengths the center dominates, whereas for longer devices the two ends dominate.

Original languageEnglish
Pages (from-to)629-639
Number of pages11
JournalOSA Continuum
Volume2
Issue number3
DOIs
Publication statusPublished - 15 Mar 2019

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