2014•Unpublished venueRequires access

L3 Photonic Crystal Nanocavities with Measured Q-factor Exceeding One Million

Yiming Lai, Stefano Pirotta, Giulia Urbinati, Dario Gerace, Mattéo Galli, Momchil Minkov, Vincenzo Savona, A. Badolato

Abstract

We experimentally demonstrate ultra-high quality factors (Q= 1.45×106) in evolutionary optimized 2D L3 photonic crystal nanocavities fabricated in Si slabs. Together with ultra-small effective mode volumes ~ 0.96(λ/n)3, such a nanocavity offers a new platform in future integrated nanophotonics.

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Key concepts: Photonic crystal, Nanophotonics, Q factor, Materials science, Photonics, Optoelectronics, Quality (philosophy), Mode (computer interface)