2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/86136A technique is demonstrated which efficiently transfers light between a tapered standard single-mode optical fiber and a resonant mode of a high-Q photonic crystal cavity with mode volume less than a cubic wavelength in size. Cavity mode quality factors of 4.7 x 10^4 are measured, and a total fiber-to-cavity coupling efficiency of 44% is demonstrated.Superceded by physics/0412002 (2004)OpticsQuantum Physicstext