AUTHOR=Xu Chen , Khan Umair Ali , Ghafoor Salman , Mirza Jawad , Aljohani Abdulah Jeza , Aziz Imran 

TITLE=A ground-to-GEO-to-LEO satellite optical wireless communication link based on a spectrally efficient and secure modulation scheme

JOURNAL=Frontiers in Physics

VOLUME=13

YEAR=2025

URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2025.1562799

DOI=10.3389/fphy.2025.1562799

ISSN=2296-424X