Waveguide integrated terahertz quantum-cascade laser systems
- Nuttall, E
- Han, YJ
- Pardo, D
- Horbury, MD
- Kondawar, SS
- North, NK
- Kundu, I
- Auriacombe, O
- Rawlings, T
- Brewster, N
- Oldfield, M
- Salih, M
- Li, LH
- Zafar, E
- Davies, AG
- Linfield, EH
- Saenz, E
- Wang, H
- Ellison, BN
- Valavanis, A
Publication date
August 2021
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
We have developed precision micromachining techniques for integration of terahertz quantum cascade lasers (QCLs) with waveguides and feedhorns for use as local oscillators in satellite-borne receivers. We demonstrate these techniques using QCLs at 3.4 THz and 4.7 THz, as well as the first QCL with a monolithically integrated power modulator
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