Title :
Phase locking of a 2.5 THz quantum cascade laser to a microwave reference using THz Schottky mixer
Author :
B. T. Bulcha;J. L. Hesler;A. Valavanis;V. Drakinskiy;J. Stake;R. Dong;J. X. Zhu;P. Dean;L. H. Li;A. G. Davies;E. H. Linfield;N. S. Barker
Author_Institution :
Virginia Diodes, Inc., Charlottesville, VA, 22902, USA
Abstract :
The frequency of a 2.5 THz QCL are stabilized to sub-hertz accuracy by phase-locking to a stable 100 MHz microwave reference, using a 2.3-3.2 THz room temperature Schottky diode based harmonic mixer. The down-converted phase locked beat note is stable over a long term test.
Keywords :
"Quantum cascade lasers","Mixers","Harmonic analysis","Microwave oscillators","Bandwidth","Microwave circuits","Masers"
Conference_Titel :
Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2015 40th International Conference on
Electronic_ISBN :
2162-2035
DOI :
10.1109/IRMMW-THz.2015.7327689
