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Proceedings Paper

Properties of laterally coupled photonic crystal surface-emitting laser two-dimensional arrays (Conference Presentation)
Author(s): Aleksandr Boldin; Daehyun Kim; Richard J. E. Taylor; Ben King; Adam McKenzie; Nasser Babazadeh; Pavlo Ivanov; Jonathan R. Orchard; Neil D. Gerrard; David T. D. Childs; Richard A. Hogg

Paper Abstract

Photonic crystal surface emitting lasers (PCSELs) are a new class of laser diode, offering control over emission (wavelength, polarisation, beam shape) through photonic crystal design, as well as power scalability and low beam divergence. We present developments in 2D arrays of large scale (~150x150um) PCSELs, coherently coupled by 1mm long, 100 μm wide waveguides that can be electrically driven into loss or gain. By studying the spectral and current-power characteristics, we show coherent power scaling between multiple devices. We discuss injection locking between devices achieved through controllable 2D in-plane feedback and its effect on the near and far field emissions.

Paper Details

Date Published: 9 March 2020
Proc. SPIE 11301, Novel In-Plane Semiconductor Lasers XIX, 113010X (9 March 2020); doi: 10.1117/12.2546681
Show Author Affiliations
Aleksandr Boldin, Univ. of Glasgow (United Kingdom)
Daehyun Kim, Univ. of Glasgow (United Kingdom)
Richard J. E. Taylor, Univ. of Glasgow (United Kingdom)
Ben King, Univ. of Glasgow (United Kingdom)
Adam McKenzie, Compound Semiconductor Technologies Global Ltd. (United Kingdom)
Univ. of Glasgow (United Kingdom)
Nasser Babazadeh, The Univ. of Sheffield (United Kingdom)
Pavlo Ivanov, Univ. of Glasgow (United Kingdom)
Jonathan R. Orchard, Compound Semiconductor Technologies Global Ltd. (United Kingdom)
Neil D. Gerrard, Univ. of Glasgow (United Kingdom)
David T. D. Childs, Univ. of Glasgow (United Kingdom)
Richard A. Hogg, Univ. of Glasgow (United Kingdom)

Published in SPIE Proceedings Vol. 11301:
Novel In-Plane Semiconductor Lasers XIX
Alexey A. Belyanin; Peter M. Smowton, Editor(s)

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