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http://dx.doi.org/10.3807/KJOP.2004.15.4.309

Nanofabrication of InP/InGaAsP 2D photonic crystals using maskless laser holographic method  

이지면 (국립순천대학교 신소재응용공학부 재료ㆍ금속공학전공)
이민수 (국립상주대학교 신소재공학)
이철욱 (한국전자통신연구원 기반기술연구소 광통신소자연구)
오수환 (한국전자통신연구원 기반기술연구소 광통신소자연구)
고현성 (한국전자통신연구원 기반기술연구소 광통신소자연구)
박상기 (한국전자통신연구원 기반기술연구소 광통신소자연구)
박문호 (한국전자통신연구원 기반기술연구소 광통신소자연구부)
Publication Information
Korean Journal of Optics and Photonics / v.15, no.4, 2004 , pp. 309-312 More about this Journal
Abstract
Two-dimensionally arrayed nanocolumn lattices were fabricated by using double-exposure laser holographic method. The hexagonal lattice was formed by rotating the sample with 60 degree while the square lattice by 90 degree before the second laser-exposure. The size and period of nanocolumns could be controlled accurately from 125 to 145 nm in diameter and 220 to 290 nm in period for square lattice by changing the incident angle of laser beam. The reactive ion etching for a typical time of 30 min using CH$_4$/H$_2$ plasma enhanced the aspect-ratio by more than 1.5 with a slight increase of the bottom width of columns.
Keywords
photonic crystal; laser holography; RIE; InP; nanofabrication;
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