光子晶体
纳米线
半导体
材料科学
光电子学
Q系数
腔量子电动力学
共发射极
光子学
波长
格子(音乐)
晶格常数
纳米光子学
时域有限差分法
凝聚态物理
光学
物理
量子
衍射
谐振器
量子力学
开放量子系统
声学
作者
Muhammad Danang Birowosuto,Akihiko Yokoo,Hideaki Taniyama,Eiichi Kuramochi,Masato Takiguchi,Masaya Notomi
摘要
Using finite-difference time-domain simulation, we show that ultrahigh-Q nanocavities can be obtained through the manipulation of a single semiconductor nanowire (NW) inside a slot in a line defect of a two-dimensional photonic crystal. By controlling the design and its lattice parameters of the photonic crystal, we have achieved a quality factor Q larger than 106 and a mode volume Vc smaller than 0.11 μm3 (1.25 of a cubic wavelength in the NW) for a cavity peak in the telecommunication band. This design is useful for realizing a position-controlled cavity in a photonic crystal. Here, we also discuss the small dependence of the Q-factor, the Vc, and the cavity peak in relation to the position of the NW inside the slot and the potential application to the cavity quantum electrodynamics using the embedded-emitter NW.
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