Temperature tuning of the optical properties of planar photonic crystal microcavities

QC 20141211
We report on the temperature tuning of the optical properties of planar Photonic Crystal (PhC) microcavities. Studies were made on one and two dimensional PhCs that were etched in InP and GaAs vertical waveguides. Two dimensional (hexagonal) and one-dimensional (Fabry-Pérot) cavities were optically investigated by an internal light source technique. The samples were mounted on a Peltier-stage which allowed temperature variation from T = 20 °C up to T = 76 °C. A linear dependence of the resonance wavelengths with respect to temperature is observed. A gradient of dλ/dT = 0.09 nm/°C and 0.1 nm/°C for the GaAs and InP based cavities was observed, respectively. These results are in agreement with the theoretical calculations based on the thermal dependence of the refractive index of the PhC semiconductor component.

NATURVETENSKAP Fysik Atom- och molekylfysik och optik hsv//swe
NATURAL SCIENCES Physical Sciences Atom and Molecular Physics and Optics hsv//eng
Integrated optics
Microcavities
Optical properties
Photonic crystals
Tunability
Etching
Fabry-Perot interferometers
Light propagation
Photons
Semiconducting indium phosphide
Thermal effects
Tuning
One-dimensional (Fabry-Pérot) cavities
Crystalline materials

Ferrini, R. (författare)
Houdré, R. (författare)
Mulot, MikaelKTH,Mikroelektronik och informationsteknik, IMIT(Swepub:kth)u1l7ki1v (författare)
Anand, SrinivasanKTH,Mikroelektronik och informationsteknik, IMIT(Swepub:kth)u16fqvka (författare)
Smith, C. J. M. (författare)
KTHMikroelektronik och informationsteknik, IMIT (creator_code:org_t)

Av författaren/redakt...: Wild, B.; Ferrini, R.; Houdré, R.; Mulot, Mikael; Anand, Srinivasa ...; Smith, C. J. M.

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