Pérez-Urquizo, J, Madéo, J, Todorov, Y et al. (5 more authors) (2019) Patch Antenna Microcavities THz Quantum Cascade Lasers. In: 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). 44th International Conference on Infrared, Millimeter, and Terahertz Waves, 01-06 Sep 2019, Paris, France. IEEE ISBN 9781538682852
Abstract
We study the emission of THz quantum cascade lasers (QCLs) designed in arrays of Patch Antenna Microcavities (PAM). The array geometry is an effective strategy to control the losses and to achieve phase locking, allowing for beam shaping and high photon outcoupling efficiency. We demonstrate a 40-fold enhanced emission compared to standard ridge waveguides and a gaussian beam divergence as low as 2° x 2°.
Metadata
Item Type: | Proceedings Paper |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2019, IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. |
Keywords: | Microcavities; Optical waveguides; Quantum cascade lasers; Patch antennas; Laser beams; Stimulated emission |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Electronic & Electrical Engineering (Leeds) > Pollard Institute (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 26 Nov 2019 12:18 |
Last Modified: | 26 Nov 2019 12:18 |
Status: | Published |
Publisher: | IEEE |
Identification Number: | 10.1109/IRMMW-THz.2019.8873823 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:153845 |