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14 April 2006 DFB laser dynamics and noise characterization by high resolution and high dynamic range measurements of its CW optical spectrum
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Abstract
We present results on the characterization of the main parameters of DFB lasers for its use in direct modulation: chirp parameter, linewidth, relaxation frequency and RIN, obtained from measurements of the emitted optical spectrum in continuous operation mode using a high resolution (10 MHz) and high dynamic range (80 dB) optical spectrum analyzer. Results obtained from the characterization of commercial grade available DFB lasers with this method, present typical parameter values, but are also checked with well-know, but more resource demanding, methods involving modulation and optical to electrical conversion.
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Asier Villafranca, José A. Lázaro, Javier Lasobras, and Ignacio Garcés "DFB laser dynamics and noise characterization by high resolution and high dynamic range measurements of its CW optical spectrum", Proc. SPIE 6184, Semiconductor Lasers and Laser Dynamics II, 61841O (14 April 2006); https://doi.org/10.1117/12.661944
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