Combination of ray-trace and diffraction modeling to describe coupling laser diodes to fibers and waveguides

Tomas D. Milster

doi:10.1117/12.230082

15 January 1996 Combination of ray-trace and diffraction modeling to describe coupling laser diodes to fibers and waveguides

Tomas D. Milster

Author Affiliations +

Proceedings Volume 2610, Laser Diode Chip and Packaging Technology; (1996) https://doi.org/10.1117/12.230082
Event: Photonics East '95, 1995, Philadelphia, PA, United States

Abstract

We describe a design tool for analyzing coupling between laser diodes and waveguides. The calculation includes adding system aberration information from a ray trace to a diffraction calculation in order to estimate the distribution of light incident on the waveguide. The overlap integral is used to calculate coupling efficiency. A simple example is given that analyzes coupling from a single-mode laser diode to a single-mode fiber using a ball lens. Calculations are compared with experimental results.

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Tomas D. Milster "Combination of ray-trace and diffraction modeling to describe coupling laser diodes to fibers and waveguides", Proc. SPIE 2610, Laser Diode Chip and Packaging Technology, (15 January 1996); https://doi.org/10.1117/12.230082

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