title: Ultrasmall-V high-Q photonic crystal nanobeam microcavities based on slot and hollow-core waveguides.
abstract: Photonic crystal nanobeam microcavities based on slot and hollow-core waveguides were proposed and analyzed. Three-dimensional finite-difference time-domain simulations show that both an ultrasmall modal volume (V) and a high quality (Q) factor can be obtained simultaneously in hollow-core-nanobeam mirocavities (HCNMs) due to the strong confinement of fields in the two lateral directions. For a 6.5-μm-long HCNM, the Q factor and V are on the order of 10⁵ and 10⁻²(λ/2n)³, respectively. With compactness, lower fabrication requirements as well as ultrahigh Q/V, the proposed microcavities would be very promising in a variety of applications.
authors.affiliation: Department of Information Science and Electronic Engineering, Zhejiang University, 38 Zheda Road, Hangzhou, Zhejiang 310027, China.
authors.forename: Ping
authors.initials: P
authors.lastname: Yu
authors.forename: Biao
authors.initials: B
authors.lastname: Qi
authors.forename: Xiaoqing
authors.initials: X
authors.lastname: Jiang
authors.forename: Minghua
authors.initials: M
authors.lastname: Wang
authors.forename: Jianyi
authors.initials: J
authors.lastname: Yang