Paper
2 May 2014 Characterization of the working parameters of a long-wavelength VCSEL
Pablo Pérez, Angel Valle, Ignacio Noriega, Luis Pesquera
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Abstract
We report on measurements of the working parameters of a 1550-nm single-transverse mode vertical-cavity surface-emitting laser (VCSEL), including those that describe the polarization behavior of the device. Simple expressions for the laser linewidth and laser power as a function of the bias current are used in a first stage. High resolution CW optical spectrum and intensity noise spectrum measurements are performed to apply this technique. Current-induced polarization switching (PS) is observed in our device when increasing the bias current, from the higher to the lower frequency polarization mode. A minimum in the absolute value of the effective dichroism is observed at the PS point. The value of the effective birefringence has a discontinuity at the current at which PS is observed. PS characteristics are used for the extraction of the parameters describing the polarization behavior of the VCSEL.
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Pablo Pérez, Angel Valle, Ignacio Noriega, and Luis Pesquera "Characterization of the working parameters of a long-wavelength VCSEL", Proc. SPIE 9134, Semiconductor Lasers and Laser Dynamics VI, 91341Q (2 May 2014); https://doi.org/10.1117/12.2051538
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Cited by 1 scholarly publication.
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KEYWORDS
Polarization

Vertical cavity surface emitting lasers

Picosecond phenomena

Dichroic materials

Birefringence

Laser damage threshold

Atomic force microscopy

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