1.
J Opt Soc Am A Opt Image Sci Vis
; 39(4): 563-570, 2022 Apr 01.
Article
in English
| MEDLINE
| ID: mdl-35471378
ABSTRACT
Effective engineering and exploitation of coherently coupled vertical cavity surface emitting laser arrays will benefit from simple and fast characterization of the optical coupling and coherence. We propose a Fourier method of analyzing beam profiles as an alternative to the prior beam visibility analysis and show that the mode suppression ratio and phase between a pair of supermodes can be extracted. Our analysis enables fast quantitative determination of the array coherence and supermode characteristics.