Dr. Asier Villafranca Profile

Dr. Asier Villafranca

CEO at Aragón Photonics Labs SL

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Author

Publications (5)

Proceedings Article | 5 June 2010 Paper

Four-input NOR gate using cross gain modulation in a single Semiconductor Optical Amplifier

Miguel Cabezón, Asier Villafranca, Juan José Martínez, David Izquierdo, Ignacio Garcés, José Pozo

Proceedings Volume 7728, 77281I (2010) https://doi.org/10.1117/12.853835

KEYWORDS: Modulation, Logic, Logic devices, Semiconductor optical amplifiers, Eye, Optical filters, Nonlinear optics, Optical amplifiers, Clocks, Wavelength division multiplexing

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Proceedings Article | 8 May 2008 Paper

Characterization of the chirp behavior of integrated laser modulators (ILM) by measurements of its optical spectrum

I. Garcés, A. Villafranca, J. Lasobras

Proceedings Volume 6997, 69971S (2008) https://doi.org/10.1117/12.781222

KEYWORDS: Modulation, Modulators, Optical testing, Laser sintering, Spectrum analysis, Phase shift keying, Integrated optics, Continuous wave operation, Optical spectroscopy, Semiconductor lasers

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Proceedings Article | 8 May 2008 Paper

Investigation on the linewidth enhancement factor of multiple longitudinal mode semiconductor lasers

Asier Villafranca, Guido Giuliani, Silvano Donati, Ignacio Garcés

Proceedings Volume 6997, 699719 (2008) https://doi.org/10.1117/12.781446

KEYWORDS: Optical filters, Semiconductor lasers, Fabry–Perot interferometers, Modulation, Laser optics, Network security, Laser development, Fiber lasers, Phase shift keying, Phase measurement

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Proceedings Article | 7 February 2007 Paper

Characterization of 1.55 µm VCSELs using high-resolution and high-dynamic range measurements of the CW optical spectrum

Asier Villafranca, Javier Lasobras, Ignacio Garcés

Proceedings Volume 6484, 64840K (2007) https://doi.org/10.1117/12.699998

KEYWORDS: Vertical cavity surface emitting lasers, Laser damage threshold, Spectrum analysis, Continuous wave operation, Antireflective coatings, Semiconductor lasers, Optical filters, Modulation, Optical testing

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Proceedings Article | 14 April 2006 Paper

DFB laser dynamics and noise characterization by high resolution and high dynamic range measurements of its CW optical spectrum

Asier Villafranca, José Lázaro, Javier Lasobras, Ignacio Garcés

Proceedings Volume 6184, 61841O (2006) https://doi.org/10.1117/12.661944

KEYWORDS: Optical filters, Modulation, Laser damage threshold, Spectrum analysis, Filtering (signal processing), Continuous wave operation, High dynamic range imaging, Network security, Optical testing, Optical fibers

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