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Title: Photonic crystals in proton-exchanged LiNbO3 waveguides for photonic applications
Authors: Jun, D.
Jia Wei
Kumar, V.S.
Png, C.E.
Bettiol, A.A. 
Danner, A.J. 
Keywords: lithium niobate
photonic band gap
photonic crystals
Issue Date: 2012
Citation: Jun, D.,Jia Wei,Kumar, V.S.,Png, C.E.,Bettiol, A.A.,Danner, A.J. (2012). Photonic crystals in proton-exchanged LiNbO3 waveguides for photonic applications. 2012 Photonics Global Conference, PGC 2012 : -. ScholarBank@NUS Repository.
Abstract: Photonic crystals realized in LiNbO3 have a great potential to reduce the size and increase the functionality of integrated optical devices. In order to accomplish these aims, fabrication know-how must be mastered yet it remains relatively uncharted. In this work we report the fabrication and optical characterization of photonic crystal structures in annealed proton exchanged (APE) LiNbO3 waveguides. In our work, channel waveguides were fabricated by photolithography patterning followed by immersing LiNbO 3 wafers in molten benzoic acid at 235°C for 5 h. The thickness and the composition profiles of the APE waveguides were measured using the secondary ion mass spectroscopy (SIMS) method. The experimental characterization of the photonic crystal waveguides was performed and a photonic stop band with good sharpness can be observed from the transmission spectra. © 2012 IEEE.
Source Title: 2012 Photonics Global Conference, PGC 2012
ISBN: 9781467325165
DOI: 10.1109/PGC.2012.6458000
Appears in Collections:Staff Publications

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