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

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Polarization Responses of a Solitary and Optically Injected Vertical Cavity Spin Laser. / Harbord, Edmund G H.

In: IEEE Journal of Quantum Electronics, Vol. 55, No. 6, 2400409, 09.09.2019.

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@article{3cf3bf85b4644d8b8e92f111ad84fa92,
title = "Polarization Responses of a Solitary and Optically Injected Vertical Cavity Spin Laser",
abstract = "The polarisation properties of a quantum wellspin – vertical cavity surface emitting laser (spin – VCSEL),both without injection and with variable polarisation opticalinjection, are investigated experimentally and compared withthe spin flip model (SFM). Without injection, we demonstratetwo distinct types of VCSEL-pump response depending on thesigns of the linewidth enhancement factor, birefringence anddichroism: firstly where the pump and VCSEL have the samesign of the ellipticity, and secondly where the VCSEL ellipticity,accompanied by the linear polarisation, switches sign. We showthat by controlling the injected power, ellipticity or linear angle,near circular polarisation can be obtained. These responses bothgive insight into the electro-optical injected spin-VCSEL system,and have practical implications for the use of spin VCSELs inunique applications exploiting the ellipticity degree of freedom.",
author = "Harbord, {Edmund G H}",
year = "2019",
month = "9",
day = "9",
doi = "10.1109/JQE.2019.2940041",
language = "English",
volume = "55",
journal = "IEEE Journal of Quantum Electronics",
issn = "0018-9197",
publisher = "Institute of Electrical and Electronics Engineers (IEEE)",
number = "6",

}

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TY - JOUR

T1 - Polarization Responses of a Solitary and Optically Injected Vertical Cavity Spin Laser

AU - Harbord, Edmund G H

PY - 2019/9/9

Y1 - 2019/9/9

N2 - The polarisation properties of a quantum wellspin – vertical cavity surface emitting laser (spin – VCSEL),both without injection and with variable polarisation opticalinjection, are investigated experimentally and compared withthe spin flip model (SFM). Without injection, we demonstratetwo distinct types of VCSEL-pump response depending on thesigns of the linewidth enhancement factor, birefringence anddichroism: firstly where the pump and VCSEL have the samesign of the ellipticity, and secondly where the VCSEL ellipticity,accompanied by the linear polarisation, switches sign. We showthat by controlling the injected power, ellipticity or linear angle,near circular polarisation can be obtained. These responses bothgive insight into the electro-optical injected spin-VCSEL system,and have practical implications for the use of spin VCSELs inunique applications exploiting the ellipticity degree of freedom.

AB - The polarisation properties of a quantum wellspin – vertical cavity surface emitting laser (spin – VCSEL),both without injection and with variable polarisation opticalinjection, are investigated experimentally and compared withthe spin flip model (SFM). Without injection, we demonstratetwo distinct types of VCSEL-pump response depending on thesigns of the linewidth enhancement factor, birefringence anddichroism: firstly where the pump and VCSEL have the samesign of the ellipticity, and secondly where the VCSEL ellipticity,accompanied by the linear polarisation, switches sign. We showthat by controlling the injected power, ellipticity or linear angle,near circular polarisation can be obtained. These responses bothgive insight into the electro-optical injected spin-VCSEL system,and have practical implications for the use of spin VCSELs inunique applications exploiting the ellipticity degree of freedom.

U2 - 10.1109/JQE.2019.2940041

DO - 10.1109/JQE.2019.2940041

M3 - Article

VL - 55

JO - IEEE Journal of Quantum Electronics

JF - IEEE Journal of Quantum Electronics

SN - 0018-9197

IS - 6

M1 - 2400409

ER -