AUTHOR=Abate Antonio TITLE=Specialty Grand Challenges in Optoelectronics JOURNAL=Frontiers in Electronics VOLUME=1 YEAR=2020 URL=https://www.frontiersin.org/journals/electronics/articles/10.3389/felec.2020.579890 DOI=10.3389/felec.2020.579890 ISSN=2673-5857