Control of emitted light polarization in a 1310 nm dilute nitride spin-vertical cavity surface emitting laser subject to circularly polarized optical injection

S. S. Alharthi; A. Hurtado; R. K. Al Seyab; V. M. Korpijarvi; M. Guina; I. D. Henning; M. J. Adams

doi:10.1063/1.4901192

Control of emitted light polarization in a 1310 nm dilute nitride spin-vertical cavity surface emitting laser subject to circularly polarized optical injection

S. S. Alharthi, A. Hurtado, R. K. Al Seyab, V. M. Korpijarvi, M. Guina, I. D. Henning, M. J. Adams

Physics

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Abstract

We experimentally demonstrate the control of the light polarization emitted by a 1310 nm dilute nitride spin-Vertical Cavity Surface Emitting Laser (VCSEL) at room temperature. This is achieved by means of a combination of polarized optical pumping and polarized optical injection. Without external injection, the polarization of the optical pump controls that of the spin-VCSEL. However, the addition of the externally injected signal polarized with either left- (LCP) or rightcircular polarization (RCP) is able to control the polarization of the spin-VCSEL switching it at will to left- or right-circular polarization. A numerical model has been developed showing a very high degree of agreement with the experimental findings.

Original language	English
Article number	181106
Number of pages	6
Journal	Applied Physics Letters
Volume	105
Issue number	18
DOIs	https://doi.org/10.1063/1.4901192
Publication status	Published - 5 Nov 2014

Keywords

polarization
vertical cavity surface emitting laser
optical pumping

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10.1063/1.4901192

Alharthi-etal-APL-2014-Control-of-emitted-light-polarization-in-a-1310-nm-dilute-nitride-spin-vertical-cavityAccepted author manuscript, 305 KB

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Cite this

Alharthi, S. S., Hurtado, A., Al Seyab, R. K., Korpijarvi, V. M., Guina, M., Henning, I. D., & Adams, M. J. (2014). Control of emitted light polarization in a 1310 nm dilute nitride spin-vertical cavity surface emitting laser subject to circularly polarized optical injection. Applied Physics Letters, 105(18), [181106]. https://doi.org/10.1063/1.4901192

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title = "Control of emitted light polarization in a 1310 nm dilute nitride spin-vertical cavity surface emitting laser subject to circularly polarized optical injection",

abstract = "We experimentally demonstrate the control of the light polarization emitted by a 1310 nm dilute nitride spin-Vertical Cavity Surface Emitting Laser (VCSEL) at room temperature. This is achieved by means of a combination of polarized optical pumping and polarized optical injection. Without external injection, the polarization of the optical pump controls that of the spin-VCSEL. However, the addition of the externally injected signal polarized with either left- (LCP) or rightcircular polarization (RCP) is able to control the polarization of the spin-VCSEL switching it at will to left- or right-circular polarization. A numerical model has been developed showing a very high degree of agreement with the experimental findings.",

keywords = "polarization, vertical cavity surface emitting laser, optical pumping",

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Control of emitted light polarization in a 1310 nm dilute nitride spin-vertical cavity surface emitting laser subject to circularly polarized optical injection. / Alharthi, S. S.; Hurtado, A.; Al Seyab, R. K.; Korpijarvi, V. M.; Guina, M.; Henning, I. D.; Adams, M. J.

In: Applied Physics Letters, Vol. 105, No. 18, 181106, 05.11.2014.

Research output: Contribution to journal › Article

TY - JOUR

T1 - Control of emitted light polarization in a 1310 nm dilute nitride spin-vertical cavity surface emitting laser subject to circularly polarized optical injection

AU - Alharthi, S. S.

AU - Hurtado, A.

AU - Al Seyab, R. K.

AU - Korpijarvi, V. M.

AU - Guina, M.

AU - Henning, I. D.

AU - Adams, M. J.

PY - 2014/11/5

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N2 - We experimentally demonstrate the control of the light polarization emitted by a 1310 nm dilute nitride spin-Vertical Cavity Surface Emitting Laser (VCSEL) at room temperature. This is achieved by means of a combination of polarized optical pumping and polarized optical injection. Without external injection, the polarization of the optical pump controls that of the spin-VCSEL. However, the addition of the externally injected signal polarized with either left- (LCP) or rightcircular polarization (RCP) is able to control the polarization of the spin-VCSEL switching it at will to left- or right-circular polarization. A numerical model has been developed showing a very high degree of agreement with the experimental findings.

AB - We experimentally demonstrate the control of the light polarization emitted by a 1310 nm dilute nitride spin-Vertical Cavity Surface Emitting Laser (VCSEL) at room temperature. This is achieved by means of a combination of polarized optical pumping and polarized optical injection. Without external injection, the polarization of the optical pump controls that of the spin-VCSEL. However, the addition of the externally injected signal polarized with either left- (LCP) or rightcircular polarization (RCP) is able to control the polarization of the spin-VCSEL switching it at will to left- or right-circular polarization. A numerical model has been developed showing a very high degree of agreement with the experimental findings.

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KW - optical pumping

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