Polarization Responses of a Solitary and Optically Injected Vertical Cavity Spin Laser

The polarisation properties of a quantum well spin - vertical cavity surface emitting laser (spin - VCSEL), both without injection and with variable polarisation optical injection, are investigated experimentally and compared with the spin flip model (SFM). Without injection, we demonstrate two dist...

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Vydané v:IEEE journal of quantum electronics Ročník 55; číslo 6; s. 1 - 9
Hlavní autori: Cemlyn, Benjamin R., Henning, Ian D., Adams, Michael J., Harbord, Edmund, Oulton, Ruth, Korpijarvi, Ville-Markus, Guina, Mircea
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: New York IEEE 01.12.2019
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Predmet:
Birefringence
Circular polarization
Dichroism
Ellipticity
injection
Linear polarization
Mathematical model
Optical fibers
Optical polarization
Optical pumping
Optical wireless
polarization
Polarization (spin alignment)
Quantum wells
spin
Stimulated emission
Switches
VCSEL
Vertical cavity surface emission lasers
Vertical cavity surface emitting lasers
ISSN:0018-9197, 1558-1713
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Popis
Shrnutí:The polarisation properties of a quantum well spin - vertical cavity surface emitting laser (spin - VCSEL), both without injection and with variable polarisation optical injection, are investigated experimentally and compared with the spin flip model (SFM). Without injection, we demonstrate two distinct types of VCSEL-pump response depending on the signs of the linewidth enhancement factor, birefringence and dichroism: firstly where the pump and VCSEL have the same sign of the ellipticity, and secondly where the VCSEL ellipticity, accompanied by the linear polarisation, switches sign. We show that by controlling the injected power, ellipticity or linear angle, near circular polarisation can be obtained. These responses both give insight into the electro-optical injected spin-VCSEL system, and have practical implications for the use of spin VCSELs in unique applications exploiting the ellipticity degree of freedom.
Bibliografia:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 14
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.2019.2940041