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Wavelength-scale photonic-crystal laser formed by electron-beam-induced nano-block deposition

Authors
Seo, Min-KyoKang, Ju-HyungKim, Myung-KiAhn, Byeong-HyeonKim, Ju-YoungJeong, Kwang-YongPark, Hong-GyuLee, Yong-Hee
Issue Date
13-4월-2009
Publisher
OPTICAL SOC AMER
Citation
OPTICS EXPRESS, v.17, no.8, pp.6790 - 6798
Indexed
SCIE
SCOPUS
Journal Title
OPTICS EXPRESS
Volume
17
Number
8
Start Page
6790
End Page
6798
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/120242
DOI
10.1364/OE.17.006790
ISSN
1094-4087
Abstract
A wavelength-scale cavity is generated by printing a carbonaceous nano-block on a photonic-crystal waveguide. The nanometersize carbonaceous block is grown at a pre-determined region by the electron-beam-induced deposition method. The wavelength-scale photoniccrystal cavity operates as a single mode laser, near 1550 nm with threshold of similar to 100 mu W at room temperature. Finite-difference time-domain computations show that a high-quality-factor cavity mode is defined around the nano-block with resonant wavelength slightly longer than the dispersion-edge of the photonic-crystal waveguide. Measured near-field images exhibit photon distribution well-localized in the proximity of the printed nano-block. Linearly-polarized emission along the vertical direction is also observed. (c) 2009 Optical Society of America
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Graduate School > KU-KIST Graduate School of Converging Science and Technology > 1. Journal Articles
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