Controlled sub-nanometer tuning of photonic crystal resonator by carbonaceous nano-dots
- Authors
- Seo, Min-Kyo; Park, Hong-Gyu; Yang, Jin-Kyu; Kim, Ju-Young; Kim, Se-Heon; Lee, 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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