High power slab-coupled waveguide laser

Xiaoming Ji; Liwei Cheng; Jianxin Cai; Guoyun Ru; Fow-sen Choa

doi:10.1117/12.708045

8 September 2006 High power slab-coupled waveguide laser

Xiaoming Ji; Liwei Cheng; Jianxin Cai; Guoyun Ru; Fow-sen Choa

Author Affiliations +

Proceedings Volume 6343, Photonics North 2006; 63433Q (2006) https://doi.org/10.1117/12.708045
Event: Photonics North 2006, 2006, Quebec City, Canada

Abstract

Slab-coupled waveguide laser was theoretically analyzed by E. A. J. Marcatili [1] in the 1970's, based on which, we recently demonstrated a high power slab-coupled waveguide laser with buried hetero-structure. The laser lases around 1525.5 nm, with 3.4 μm*4.4 μm (FWHM) spatial mode shape. With improved current blocking mechanism, the output power reaches 326mW per facet, the coupling efficiency to the single mode fiber (SMF) is 80%, the horizontal and vertical far field angles are 10°, 18° respectively. Electron blocking layer will be implemented to improve internal quantum efficiency. Epi-side down bonding will be used to improve heat dissipation and output power.

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Xiaoming Ji, Liwei Cheng, Jianxin Cai, Guoyun Ru, Fow-sen Choa, "High power slab-coupled waveguide laser", Proc. SPIE 6343, Photonics North 2006, 63433Q (8 September 2006); doi: 10.1117/12.708045; https://doi.org/10.1117/12.708045

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