학술논문

Fabrication of Large Area Photonic Crystals with Periodic Defects by One-Step Holographic Lithography
Document Type
Academic Journal
Source
Current Optics and Photonics. 2015-02 19(1):63-68
Subject
Defects
Holographic lithography
Liquid crystal-spatial light modulators
Photonic crystals
Language
Korean
ISSN
2508-7266
2508-7274
Abstract
A one-step fabrication of a photonic crystal (PC) with functional defects is demonstrated. Using multi-beamphase-controlled holographic lithography with a diffracting optical element, large area one dimensional (1D)and two dimensional (2D) PCs with periodic defects were fabricated. The uniform area is up to 2 mm2,and tens of defect channels have been introduced in the 1D and 2D PC structure. This technique givesrise to substantial reduction in the fabrication complexity and significant improvement in the spatialaccuracy of introducing functional defects in photonic crystals. This method can also be used to designand fabricate three dimensional (3D) PCs with periodic defects.