1. 1 1.D. Gargas et al, Imaging Single ZnO Vertical Nanowire Laser Cavities Using UV-laser Scanning Confocal Microscopy, J. Am. Chem. Soc. 131, 2125 (2009) 2.G. Grinblat et al, High-Efficiency Second Harmonic Generation from a Single Hybrid ZnO Nanowire/Au Plasmonic Nano-Oligomer, Nano Lett. 14, 6660 (2014) 3.X. Wen et al, Cavity-enhanced frequency doubling from 795nm to 397.5nm ultra-violet coherent radiation with PPKTP crystals in the low pump power regime, Opt. Express 22, 32293 (2014) 4.S. Alharthi et al, 1300 nm optically pumped quantum dot spin vertical external-cavity surface-emitting laser, Appl. Phys. Lett. 107, 151109 (2015) 期末论文要求： 首先，总结文献，此部分不超过一页纸； 其次，结合课程学过的知识，做相关调研，分析文献。 12 月 31 日 10 点 -10 点 30 分，交纸质版至教室。 我的邮箱： zhangyong@nju.edu.cn

2. 10 Nonlinear Optics

3. Nonlinear susceptibility tensor

4. The Physical origin of optical nonlinearities

5. Oscillator model:

8. Non-resonant nonlinearities Second-order nonlinearities (  (2) ) -- Nonlinear frequency mixing

11. Optical frequency conversion (Second Harmonic generation)   =  2 - 2  1 = 0  k = k 2 -2k 1 = 0 Energy conservation Momentum conservation k Birefringence Phase Match (BPM) Phase matching

12. Ln Lp d ij Lp+Ln X Y Z X QPM Condition:  k=(k 2  -2k  )-G m =0

13. Overview of third-order phenomena

14. Frequency tripling The optical Kerr effect and the nonlinear rafractive index ( degeneate four-wave mixing) Phase match problem No phase match problem (K: Kerr constant)

15. Stimulated Raman scattering