Physics – Optics
Scientific paper
2012-03-07
Physics
Optics
Scientific paper
Photonic crystal cavities have a wide range of applications in physics today. Here we demonstrate a method to use the narrow resonances of photonic crystal cavities to measure the temperature dependence of the refractive index of gallium phosphide in a temperature range between 5 K and near room temperature at a wavelength of about 605 nm. On one hand, this is an essential step for the design of GaP photonic crystal structures for quantum technology applications. On the other hand, this demonstrates how photonic structures can be utilized to locally determine the optical properties of semiconductor materials in attoliter volumina.
Benson Oliver
Löchel Bernd
Nikolay Niko
Probst Jürgen
Schell Andreas W.
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