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Título

Polarization Switching in Long-Wavelength VCSELs Subject to Orthogonal Optical Injection

AutorTorre, Marita; Hurtado, Antonio; Quirce, Ana ; Valle, Ángel ; Pesquera, Luis ; Adams, Michael J.
Fecha de publicaciónene-2011
EditorInstitute of Electrical and Electronics Engineers
CitaciónIEEE Journal of Quantum Electronics 47(1): 92-99 (2011)
ResumenPolarization switching (PS) appearing in longwavelength vertical-cavity surface-emitting lasers (VCSELs) subject to orthogonal optical injection is investigated theoretically and experimentally. We have studied the injected optical power required for PS as a function of the frequency detuning between the injected light and the orthogonal linear polarization of the VCSEL. For a wide range of bias currents applied to the device, the injected power required for the occurrence of PS exhibited a minimum and a plateau with respect to the frequency detuning. The minimum (plateau) was found at negative (positive) frequency detuning. The bistable behavior of the polarization is described. Our experimental results confirm the theoretical predictions of Sciamanna and Panajotov. The levels of the minimum and the plateau were observed to increase as higher bias currents were applied to the VCSEL. A first theoretical and experimental observation of the disappearance and further appearance of PS when increasing the injected power in longwavelength VCSELs is described. This situation is obtained for small levels of negative frequency detuning and for large enough values of applied bias current. A good overall qualitative agreement is found between our theoretical and experimental results.
Descripción8 páginas, 7 figuras.-- El pdf del artículo es la versión post-print.
Versión del editorhttp://dx.doi.org/10.1109/JQE.2010.2061219
URIhttp://hdl.handle.net/10261/46489
DOI10.1109/JQE.2010.2061219
ISSN0018-9197
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