Stabilized HEB-QCL heterodyne spectrometer at super-terahertz

Stabilized HEB-QCL heterodyne spectrometer at super-terahertz

We report a new experiment on a high-resolution heterodyne spectrometer using a 3.5 THz quantum cascade laser (QCL) as local oscillator (LO) and a superconducting hot electron bolometer (HEB) as mixer by stabilizing both frequency and amplitude of the QCL. The frequency locking of the QCL is demonst...

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Bibliographic Details
Main Authors: Ren, Y. (Author), Hayton, D. J. (Author), Hovenier, J. N. (Author), Cui, M. (Author), Gao, J. R. (Author), Klapwijk, T. M. (Author), Shi, S. C. (Author), Kao, Tsung-Yu (Contributor), Hu, Q. (Author), Reno, J. 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: SPIE, 2014-05-02T18:28:05Z.
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