Open AccessA portable laser system fills the terahertz gap
Author(s) -
Heather M. Hill
Publication year - 2021
Publication title -
physics today
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.594
H-Index - 112
eISSN - 1945-0699
pISSN - 0031-9228
DOI - 10.1063/pt.3.4649
Subject(s) - terahertz radiation , laser , optoelectronics , far infrared laser , optics , materials science , terahertz gap , photomixing , physics , terahertz metamaterials
With the right dimensions, a laser composed of a series of quantum wells emits hard-to-produce terahertz-frequency light without the usual need for cryogenic cooling.
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