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Proceedings Paper

Three-dimensional finite-difference time-domain modelling of photonic crystal surface-emitting lasers
Author(s): Pavlo Ivanov; Richard J. E. Taylor; Guangrui Li; David T. D. Childs; Salam Khamas; Jayanta Sarma; Robertus Erdelyi; Richard A. Hogg
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Paper Abstract

We investigate the beam divergence in far-field region, diffraction loss and optical confinement factors of all-semiconductor and void-semiconductor photonic-crystal surface-emitting lasers (PCSELs), containing either InGaP/GaAs or InGaP/air photonic crystals using a three-dimensional FDTD model. We explore the impact of changing the PC hole shape, size, and lattice structure in addition to the choice of all-semiconductor or void-semiconductor designs. We discuss the determination of the threshold gain from the diffraction losses, and explore limitations to direct modulation of the PCSEL.

Paper Details

Date Published: 7 March 2016
PDF: 6 pages
Proc. SPIE 9767, Novel In-Plane Semiconductor Lasers XV, 976721 (7 March 2016); doi: 10.1117/12.2213060
Show Author Affiliations
Pavlo Ivanov, Univ. of Glasgow (United Kingdom)
Richard J. E. Taylor, The Univ. of Sheffield (United Kingdom)
Guangrui Li, The Univ. of Sheffield (United Kingdom)
David T. D. Childs, Univ. of Glasgow (United Kingdom)
Salam Khamas, The Univ. of Sheffield (United Kingdom)
Jayanta Sarma, The Univ. of Sheffield (United Kingdom)
Robertus Erdelyi, The Univ. of Sheffield (United Kingdom)
Richard A. Hogg, Univ. of Glasgow (United Kingdom)

Published in SPIE Proceedings Vol. 9767:
Novel In-Plane Semiconductor Lasers XV
Alexey A. Belyanin; Peter M. Smowton, Editor(s)

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