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17 March 2005 1480-nm pump lasers output power improvement by spatial hole burning reduction observation
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Abstract
Observation of spatial hole burning reduction is reported for the first time to our knowledge on flared 1480nm high power InGaAsP/InP buried ridge lasers. We determined the longitudinal carrier density profile by spatially resolved spontaneous emission measurements for slightly tapered and straight active waveguides. The tapered stripe shows spatial hole burning reduction leading to 25% output power enhancement.
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Ali Guermache, Vincent Voiriot, and Joël Jacquet "1480-nm pump lasers output power improvement by spatial hole burning reduction observation", Proc. SPIE 5711, High-Power Diode Laser Technology and Applications III, (17 March 2005); https://doi.org/10.1117/12.588261
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