Time-resolved and power-dependent pump-probe spectroscopy determines that two-photon absorption induces a strong blue-shift of coupling resonances in a photonic crystal waveguide. Carrier relaxation times are shortened by the surface recombination, showing potential for all-optical switching.
|Title of host publication||International Quantum Electronics Conference, 2004. (IQEC).|
|Number of pages||2|
|Publication status||Published - 2004|
ASJC Scopus subject areas