Chinese Optics Letters, 2003, 1 (8): 08441, Published Online: Jun. 6, 2006  

Influence of cladding layer field of slab waveguide on M^(2) factor

Author Affiliations
1 Chinese National Engineering &
2 Technology Research Centers for Optical Instrument, State Key Lab of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027
Abstract
Based on the theory of semiconductor laser pattern and the non-paraxial vectorial moment theory of light beam propagation, the beam quality factor M^(2) of TE_(0) propagating mode is analyzed and calculated. The result shows that when both core layer and cladding layer are considered, M^(2) > 1 is always obtained. Moreover, by analyzing the characteristic of real beams, this result is generalized to the multilayer isotropic linear slab waveguides.
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Bin Lin, Xuejin Wen, Fuyuan Guo. Influence of cladding layer field of slab waveguide on M^(2) factor[J]. Chinese Optics Letters, 2003, 1(8): 08441.

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