Wavelength-sized, tunable nanocavity in deeply etched InP/InGaAsP/InP photonic crystals

Journal article (2009)
Department
QN/Quantum Nanoscience (AS) (TU Delft)
Copyright: © 2009 Optical Society of America
DOI: https://doi.org/doi:10.1364/OL.34.002207
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Published Date

13-07-2009

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Source:

Optics Letters, 34 (14), 2009

Faculty

Applied Sciences

Department

QN/Quantum Nanoscience

Abstract

Wavelength-sized point defect cavities coupled to access waveguides are reported for deeply etched InP/InGaAsP/InP two-dimensional photonic crystals. The observed quality factor of 60 is comparable to those found for one-row defect Fabry–Perot cavities and for simple point defect cavities in membranes. The quality factor was changed by varying the number of rows of holes. Upon infiltration of the holes with liquid crystal, frequency tuning was demonstrated.

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