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Title: Tailorable Optical Response of Au-LiNbO 3 Hybrid Metamaterial Thin Films for Optical Waveguide Applications

Photonic integrated circuits require various optical materials with versatile optical properties and easy on–chip device integration. To address such needs, a well–designed nanoscale metal–oxide metamaterial, that is, plasmonic Au nanoparticles embedded in nonlinear LiNbO 3 (LNO) matrix, is demonstrated with tailorable optical response. Specifically, epitaxial and single–domain LNO thin films with tailored Au nanoparticle morphologies (i.e., various nanoparticle sizes and densities), are grown by a pulsed laser deposition method. The optical measurement presents obvious surface plasmon resonance and dramatically varied complex dielectric function because of the embedded Au nanoparticles, and its response can be well tailored by varying the size and density of Au nanoparticles. An optical waveguide structure based on the thin film stacks of a–Si on SiO 2/Au–LNO is fabricated and exhibits low optical dispersion with an optimized evanescent field staying in the LNO–Au active layer. Furthermore, the hybrid Au–LNO metamaterial thin films provide a novel platform for tunable optical materials and their future on–chip integrations in photonic–based integrated circuits.
Authors:
 [1] ;  [2] ;  [1] ;  [1] ;  [1] ; ORCiD logo [3] ;  [1] ;  [1] ;  [1] ; ORCiD logo [3] ;  [2] ;  [1] ; ORCiD logo [1]
  1. Purdue Univ., West Lafayette, IN (United States)
  2. Texas A & M Univ., College Station, TX (United States)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Report Number(s):
LA-UR-18-29545
Journal ID: ISSN 2195-1071
Grant/Contract Number:
AC52-06NA25396
Type:
Accepted Manuscript
Journal Name:
Advanced Optical Materials
Additional Journal Information:
Journal Volume: 6; Journal Issue: 19; Journal ID: ISSN 2195-1071
Publisher:
Wiley
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Material Science; Au nanoparticles; hybrid materials; LiNbO 3; nanoscale metamaterials; waveguides
OSTI Identifier:
1480033

Huang, Jijie, Jin, Tiening, Misra, Shikhar, Wang, Han, Qi, Zhimin, Dai, Yaomin, Sun, Xing, Li, Leigang, Okkema, Joseph, Chen, Hou -Tong, Lin, Pao -Tai, Zhang, Xinghang, and Wang, Haiyan. Tailorable Optical Response of Au-LiNbO3 Hybrid Metamaterial Thin Films for Optical Waveguide Applications. United States: N. p., Web. doi:10.1002/adom.201800510.
Huang, Jijie, Jin, Tiening, Misra, Shikhar, Wang, Han, Qi, Zhimin, Dai, Yaomin, Sun, Xing, Li, Leigang, Okkema, Joseph, Chen, Hou -Tong, Lin, Pao -Tai, Zhang, Xinghang, & Wang, Haiyan. Tailorable Optical Response of Au-LiNbO3 Hybrid Metamaterial Thin Films for Optical Waveguide Applications. United States. doi:10.1002/adom.201800510.
Huang, Jijie, Jin, Tiening, Misra, Shikhar, Wang, Han, Qi, Zhimin, Dai, Yaomin, Sun, Xing, Li, Leigang, Okkema, Joseph, Chen, Hou -Tong, Lin, Pao -Tai, Zhang, Xinghang, and Wang, Haiyan. 2018. "Tailorable Optical Response of Au-LiNbO3 Hybrid Metamaterial Thin Films for Optical Waveguide Applications". United States. doi:10.1002/adom.201800510.
@article{osti_1480033,
title = {Tailorable Optical Response of Au-LiNbO3 Hybrid Metamaterial Thin Films for Optical Waveguide Applications},
author = {Huang, Jijie and Jin, Tiening and Misra, Shikhar and Wang, Han and Qi, Zhimin and Dai, Yaomin and Sun, Xing and Li, Leigang and Okkema, Joseph and Chen, Hou -Tong and Lin, Pao -Tai and Zhang, Xinghang and Wang, Haiyan},
abstractNote = {Photonic integrated circuits require various optical materials with versatile optical properties and easy on–chip device integration. To address such needs, a well–designed nanoscale metal–oxide metamaterial, that is, plasmonic Au nanoparticles embedded in nonlinear LiNbO3 (LNO) matrix, is demonstrated with tailorable optical response. Specifically, epitaxial and single–domain LNO thin films with tailored Au nanoparticle morphologies (i.e., various nanoparticle sizes and densities), are grown by a pulsed laser deposition method. The optical measurement presents obvious surface plasmon resonance and dramatically varied complex dielectric function because of the embedded Au nanoparticles, and its response can be well tailored by varying the size and density of Au nanoparticles. An optical waveguide structure based on the thin film stacks of a–Si on SiO2/Au–LNO is fabricated and exhibits low optical dispersion with an optimized evanescent field staying in the LNO–Au active layer. Furthermore, the hybrid Au–LNO metamaterial thin films provide a novel platform for tunable optical materials and their future on–chip integrations in photonic–based integrated circuits.},
doi = {10.1002/adom.201800510},
journal = {Advanced Optical Materials},
number = 19,
volume = 6,
place = {United States},
year = {2018},
month = {7}
}

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