Abstract
We explain a technique that recovers the structure and the modal weights of spatial modes of lasers from a limited number of spatial coherence measurements. Our approach interpolates the unobserved spatial coherence measurements via the low-rank matrix completion algorithm based on nuclear norm minimization and then extracts the set of modes via singular value decomposition. Numerical examples are provided on a variety of lasers to demonstrate the effectiveness of the method, and it is shown that the proposed method can further reduce the number of measurements by a factor of 2 for a moderate data size.
© 2013 Optical Society of America
Full Article | PDF ArticleMore Like This
Shibo Gao, Yongmei Cheng, and Yongqiang Zhao
Opt. Lett. 38(23) 5146-5149 (2013)
Carolyn M. Warnky, Betty Lise Anderson, and Charles A. Klein
Appl. Opt. 39(33) 6109-6117 (2000)
Justin Lee and George Barbastathis
Opt. Express 24(18) 20069-20079 (2016)