Digital waveguide adiabatic passage part 2: experiment

Vincent Ng*, Jesse A. Vaitkus, Zachary J. Chaboyer, Thach Nguyen, Judith M. Dawes, Michael J. Withford, Andrew D. Greentree, M. J. Steel

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


Using a femtosecond laser writing technique, we fabricate and characterise three-waveguide digital adiabatic passage devices, with the central waveguide digitised into five discrete waveguidelets. Strongly asymmetric behaviour was observed, devices operated with high fidelity in the counter-intuitive scheme while strongly suppressing transmission in the intuitive. The low differential loss of the digital adiabatic passage designs potentially offers additional functionality for adiabatic passage based devices. These devices operate with a high contrast (> 90%) over a 60 nm bandwidth, centered at ∼ 823 nm.

Original languageEnglish
Pages (from-to)2552-2559
Number of pages8
JournalOptics Express
Issue number3
Publication statusPublished - 6 Feb 2017


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