Vertical fiber interfaces related: incl.from Zhang-Huang as primary:
https://www.semanticscholar.org/paper/Highly-efficient-vertical-fiber-interfacing-grating-Zhang-Huang/4752e221cc1212b23fce30d73e6081971189d422.
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.