Title :
Weak exciton-photon coupling of PbS nanocrystals in air-slot mode-gap Si photonic crystal nanocavities in the near-infrared
Author :
Gao, Jie ; Gesuele, Felice ; Koh, Weon-Kyu ; Murray, Christopher B. ; Assefa, Solomon ; Wong, Chee Wei
Author_Institution :
Opt. Nanostruct. Lab., Columbia Univ., New York, NY, USA
Abstract :
We demonstrate micro-photoluminescence measurements of PbS nanocrystals coupled to air-slot mode-gap photonic crystal nanocavities with Q~15,000 and Veff ~0.02 (λ/nair)3. The ultrahigh Q/V ratios are critical for applications in cavity QED, nonlinear optics and sensing.
Keywords :
lead compounds; nanophotonics; nonlinear optics; optical couplers; photoluminescence; photonic crystals; quantum electrodynamics; PbS; air-slot mode-gap photonic crystal nanocavities; cavity QED; microphotoluminescence measurements; nanocrystals; nonlinear optics; weak exciton-photon coupling; Nanocrystals; Nanostructures; Nonlinear optics; Optical coupling; Optical resonators; Optical sensors; Photonic crystals; Q factor; Quantum computing; Slabs;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
