Chin. J. Semicond. > 2005, Volume 26 > Issue 12 > 2315-2319

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Effect of DBR Geometry on Reflectivity and Spectral Linewidth of DBR Lasers

Fang Dawei, Zhang Yi, Li Chenxia, Manzaneda C and Li Bo

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Abstract: The linewidths of InGaAs-GaAs-AlGaAs DBR lasers with varied DBR dimensional parameters are measured and analyzed.These lasers were built with different DBR grating lengths and depths in order to explore the effect of the size of the DBR on its coupling coefficient and reflectivity,and hence on the linewidth of the laser diodes.The linewidths were measured by employing a self heterodyne linewidth measurement system.The experimental and calculated data for DBR reflectivity and spectral linewidth are given.The relationship between these data and the dimensions of the DBR is analyzed.Based on this analysis,the effect of the DBR geometry on the linewidth of the lasers is explored.The results give useful information related to the design and fabrication of such DBR lasers.

Key words: linewidth distributed Bragg reflector InGaAs-GaAs-AlGaAs semiconductor lasers

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    Received: 19 August 2015 Revised: Online: Published: 01 December 2005

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      Fang Dawei, Zhang Yi, Li Chenxia, Manzaneda C, Li Bo. Effect of DBR Geometry on Reflectivity and Spectral Linewidth of DBR Lasers[J]. Journal of Semiconductors, 2005, 26(12): 2315-2319. ****Fang D W, Zhang Y, Li C X, Manzaneda C, Li B. Effect of DBR Geometry on Reflectivity and Spectral Linewidth of DBR Lasers[J]. Chin. J. Semicond., 2005, 26(12): 2315.
      Citation:
      Fang Dawei, Zhang Yi, Li Chenxia, Manzaneda C, Li Bo. Effect of DBR Geometry on Reflectivity and Spectral Linewidth of DBR Lasers[J]. Journal of Semiconductors, 2005, 26(12): 2315-2319. ****
      Fang D W, Zhang Y, Li C X, Manzaneda C, Li B. Effect of DBR Geometry on Reflectivity and Spectral Linewidth of DBR Lasers[J]. Chin. J. Semicond., 2005, 26(12): 2315.

      Effect of DBR Geometry on Reflectivity and Spectral Linewidth of DBR Lasers

      • Received Date: 2015-08-19

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