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Quantum cascade laser lives on the edge

TitleQuantum cascade laser lives on the edge
Publication TypeJournal Article
Year of Publication2020
AuthorsS. Mittal, and E. Waks
JournalNature
Volume578
Pagination219-220
Date PublishedFEB
Type of ArticleEditorial Material
ISSN0028-0836
Abstract

Devices known as quantum cascade lasers produce useful terahertz radiation, but are typically highly sensitive to fabrication defects. This limitation has now been overcome using a property called topological robustness. Terahertz radiation from a topological laser.