Title :
Femtojoule optical switching in hydrogenated amorphous silicon photonic crystal nanocavities
Author :
Pelc, Jason S. ; Bose, Ranojoy ; Santori, Charles ; Tho Tran ; Beausoleil, Raymond G.
Author_Institution :
Hewlett-Packard Labs., Palo Alto, CA, USA
Abstract :
We demonstrated 1.5-μm-band optical switching using the Kerr effect in a-Si:H photonic crystal nanocavities. Switching with pulse energies down to 18 fJ using a degenerate pump-probe technique was observed in cavities with Q-factors up to 30,000.
Keywords :
amorphous semiconductors; elemental semiconductors; nanophotonics; nanostructured materials; optical switches; photonic crystals; silicon; Kerr effect; Q-factors; Si; a-Si:H photonic crystal nanocavities; degenerate pump-probe technique; energy 18 fJ; femtojoule optical switching; hydrogenated amorphous silicon photonic crystal nanocavities; optical switching; wavelength 1.5 mum; Cavity resonators; Nonlinear optics; Optical attenuators; Optical pulses; Optical pumping; Optical switches; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
