Optical sum-frequency generation and ferroelectric-like switching in Si-O polar structures comprised of Si nanocrystals (nc-Si) in mesoporous silica was reported and attributed to polar layers lying at the interfaces between one-side bonded nc-Si and host.
© 2009 The Optical Society
(190.0190) Nonlinear optics : Nonlinear optics
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW
(230.0230) Optical devices : Optical devices
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
J. Shieh, W. Yu, J. Y. Huang, Y. Wang, C. Chen, C. Wang, H. Kuo, B. Dai, and C. Pan, "Optical Sum-Frequency Generation and Ferroelectric-Like Switching in Si-O Polar Structures," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper JTuD91.