Review Article
Tuning of the Optical Properties in Photonic Crystals Made of Macroporous Silicon
Table 1
Spectral shifts and switching speeds of the different effects described in Sections
2 and
3.
| | Effect | Initial frequency ν (Hz) | Frequency shift or refractive index shift /control parameter | Relative frequency shift | Time constant (s) |
| | Temperature-induced shift
of the “silicon” band edge in a liquid crystal-infiltrated structure [36]. | | Hz/16°C | 0.72% | | | Temperature-induced shift
of the “liquid crystal” band edge in a liquid crystal-infiltrated structure
[36]. | | Hz/16°C | 1.33% | | Temperature-induced shift
of the microcavity resonance in a liquid crystal-infiltrated structure [38]. | | Hz/1°C | 0.39% |
| | Temperature-induced shift
of the PL emission frequency in an Er-doped liquid crystal-infiltrated
structure [46]. | | Hz/23°C | 0.45% | |
| | Free charge carrier
injection induced by one-photon absorption [54]. | | Hz/() m J/cm2 | 1.60% | |
| | Tuning by Kerr-like
nonlinearities [55]. | | | | Instantaneous (10−13) |
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