Continuous-wave highly-efficient low-divergence terahertz wire lasers

Simone Biasco; Katia Garrasi; Fabrizio Castellano; Lianhe Li; Harvey E. Beere; David A. Ritchie; Edmund H. Linfield; A. Giles Davies; Miriam S. Vitiello

doi:10.1038/s41467-018-03440-4

Nature Communications (Mar 2018)

Continuous-wave highly-efficient low-divergence terahertz wire lasers

Simone Biasco,
Katia Garrasi,
Fabrizio Castellano,
Lianhe Li,
Harvey E. Beere,
David A. Ritchie,
Edmund H. Linfield,
A. Giles Davies,
Miriam S. Vitiello

Affiliations

Simone Biasco: NEST, CNR—Istituto Nanoscienze and Scuola Normale Superiore
Katia Garrasi: NEST, CNR—Istituto Nanoscienze and Scuola Normale Superiore
Fabrizio Castellano: NEST, CNR—Istituto Nanoscienze and Scuola Normale Superiore
Lianhe Li: School of Electronic and Electrical Engineering, University of Leeds
Harvey E. Beere: Cavendish Laboratory, University of Cambridge
David A. Ritchie: Cavendish Laboratory, University of Cambridge
Edmund H. Linfield: School of Electronic and Electrical Engineering, University of Leeds
A. Giles Davies: School of Electronic and Electrical Engineering, University of Leeds
Miriam S. Vitiello: NEST, CNR—Istituto Nanoscienze and Scuola Normale Superiore

DOI: https://doi.org/10.1038/s41467-018-03440-4
Journal volume & issue: Vol. 9, no. 1
pp. 1 – 8

Abstract

Read online

Quantum cascade lasers are compact sources, but simultaneously achieving cw operation, low divergence and single-mode emission has proven difficult. Here, Biasco et al. use a combination of distributed feedback and outcoupling via hole arrays, improving the performance of such a terahertz laser.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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