3 papers
cs.DC2025
Design of quasi phase matching crystal based on differential gray wolf algorithm
He Chen, ZiHua Zheng, JingHua Sun
This paper focuses on the key problem in the development of nonlinear optical technology, the performance optimization of aperiodically polarized crystals. The performance of the c…
physics.optics2024
Consideration of non-phase-matched nonlinear effects in the design of quasi-phase-matching crystals for optical parametric oscillators
Zihua Zheng, Ziwen Tang, Zhiyi Wei +1
Femtosecond optical parametric oscillators (OPOs) are widely used in ultrafast nonlinear frequency conversion and quantum information. However, conventional OPOs based on quasi-pha…
physics.optics2024
Numerical investigation of effective nonlinear coefficient model for coupled third harmonic generation
Zihua Zheng, Ziwen Tang, Zhiyi Wei +1
In this paper, the optimal solution of effective nonlinear coefficient of quasi-phase-matching (QPM) crystals for coupled third harmonic generation (CTHG) was numerically investiga…