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Controlled sub-nanometer tuning of photonic crystal resonator by carbonaceous nano-dots

Authors
Seo, Min-KyoPark, Hong-GyuYang, Jin-KyuKim, Ju-YoungKim, Se-HeonLee, Yong-Hee
Issue Date
23-Jun-2008
Publisher
OPTICAL SOC AMER
Citation
OPTICS EXPRESS, v.16, no.13, pp.9829 - 9837
Indexed
SCIE
SCOPUS
Journal Title
OPTICS EXPRESS
Volume
16
Number
13
Start Page
9829
End Page
9837
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/123364
DOI
10.1364/OE.16.009829
ISSN
1094-4087
Abstract
We propose and demonstrate a scheme that enables spectral tuning of a photonic crystal high-quality resonant mode, in steps finer than 0.2 nm, via electron beam induced deposition of carbonaceous nano-dots. The position and size of a nano-dot with a diameter of < 100 nm are controlled to an accuracy on the order of nanometers. The possibility of selective modal tuning is also demonstrated by placing nano-dots at locations pre-determined by theoretical computation. The lasing threshold of a photonic crystal mode tends to increase when a nano-dot is grown at the point of strong electric field, showing the absorptive nature of the nano-dot. (c) 2008 Optical Society of America.
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