Tunable terahertz quantum cascade lasers with external gratings

Tunable terahertz quantum cascade lasers with external gratings

We demonstrate a frequency tunable external cavity terahertz quantum cascade laser using an abutted antireflection-coated silicon lens to reduce facet reflection and as a beam-forming element, with an external grating providing frequency selective optical feedback. Angle tuning of the grating allows...

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Bibliographic Details
Main Authors: Lee, Alan (Contributor), Williams, Benjamin S. (Contributor), Kumar, Sushil (Contributor), Hu, Qing (Contributor), Reno, John L. (Author)
Other Authors: Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science (Contributor), Massachusetts Institute of Technology. Research Laboratory of Electronics (Contributor)
Format: Article
Language:English
Published: Optical Society of America, 2014-05-02T14:40:21Z.
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