Electromechanical tuning of vertically-coupled photonic crystal nanobeams

L. Midolo*, S. N. Yoon, F. Pagliano, T. Xia, F. W. M. van Otten, M. Lermer, Sven Höfling, A. Fiore

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)


We present the design, the fabrication and the characterization of a tunable one-dimensional (1D) photonic crystal cavity (PCC) etched on two vertically-coupled GaAs nanobeams. A novel fabrication method which prevents their adhesion under capillary forces is introduced. We discuss a design to increase the flexibility of the structure and we demonstrate a large reversible and controllable electromechanical wavelength tuning (> 15 nm) of the cavity modes. (C) 2012 Optical Society of America

Original languageEnglish
Pages (from-to)19255-19263
Number of pages9
JournalOptics Express
Issue number17
Publication statusPublished - 13 Aug 2012




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