Physics – Optics
Scientific paper
2011-04-06
Physics
Optics
9 pages, 3 figures
Scientific paper
We present a method for tuning the resonant wavelength of photonic crystal cavities (PCCs) around 1.55 um. Large tuning of the PCC mode is enabled by electromechanically controlling the separation between two parallel InGaAsP membranes. A fabrication method to avoid sticking between the membranes is discussed. Reversible red/blue shifting of the symmetric/anti-symmetric modes has been observed, which provides clear evidence of the electromechanical tuning, and a maximum shift of 10 nm with < 6 V applied bias has been obtained.
Dündar M. A.
Fiore Andrea
Midolo Leonardo
Nötzel R.
van Veldhoven P. J.
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