標題: | Two-dimensional field analysis of semiconductor lasers with small vertical beam divergence |
作者: | Lin, G Lee, CP 電子工程學系及電子研究所 Department of Electronics Engineering and Institute of Electronics |
關鍵字: | beam aspect ratio;beam divergence;discrete spectral index method;ridge waveguide laser;two-dimensional analysis |
公開日期: | 1-七月-2002 |
摘要: | Two-dimensional (2D) optical field distribution and the far-field patterns are analyzed for semiconductor lasers with small vertical beam divergence. The discrete spectral index method is used for the analysis and compared with other methods such as the effective index method. The discrete spectral index method is found to be much better in terms of accuracy and computation efficiency for the laser structures studied. Two laser structures with experimental counterparts are studied. The best beam aspect ratio (<1.5) is achieved using the conventional ridge waveguide process. The calculated results compare very favorably with the experimental results. Simulations also reveal the guidelines for design of symmetric optical beam. |
URI: | http://dx.doi.org/10.1023/A:1016181924302 http://hdl.handle.net/11536/28681 |
ISSN: | 0306-8919 |
DOI: | 10.1023/A:1016181924302 |
期刊: | OPTICAL AND QUANTUM ELECTRONICS |
Volume: | 34 |
Issue: | 7 |
起始頁: | 661 |
結束頁: | 675 |
顯示於類別: | 期刊論文 |