Ultimate fast optical switching of a semiconductor photonic microcavity

Ctistis, Georgios
Yüce, Emre
Alex, Hartsuiker
Maela, Bazin
Julien, Claudon
Jean-Michel, Gerard
Willem L, Vos
We present ultrafast pump-probe reflectivity measurements on semiconductor microcavities with a resonance at telecom wavelengths. We observe an ultimate fast red shift and recovery of the cavity resonance due to the instantaneous electronic Kerr effect.


Ultimate fast optical switching of a planar microcavity in the telecom wavelength range
Ctistis, Georgios; Yüce, Emre; HARTSUİKER, Alex; Claudon, Julien; Bazin, Maela; Gerard, Jean-Michel; Vos, Willem L. (AIP Publishing, 2011-04-18)
We have studied a GaAs-AlAs planar microcavity with a resonance near 1300 nm in the telecom range by ultrafast pump-probe reflectivity. By the judicious choice of pump frequency, we observe an ultimate fast and reversible decrease in the resonance frequency by more than half a linewidth due to the instantaneous electronic Kerr effect. The switch-on and switch-off of the cavity is only limited by the cavity storage time of tau(cav)=0.3 ps and not by intrinsic material parameters. Our results pave the way to ...
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In this paper, we present design and numerical simulations of nano-cavities for free space matching in solar cells at optical frequencies. The cavity designs are inspired by the wellknown antenna geometries that are commonly used at radio and microwave frequencies. Using such designs that have not been explored before in the context of solar cells, the electromagnetic mismatch between solar-cell surfaces and vacuum is significantly reduced, in comparison to planar interfaces and those with the conventional ...
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Citation Formats
G. Ctistis et al., “Ultimate fast optical switching of a semiconductor photonic microcavity,” 2011, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/69104.