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Illinois Nano EP Seminar Series Spring 2011: Analysis and Applications of Coupled Leaky-Mode, Implant-Defined Surface-Emitting Laser Arrays

By Dominic Siriani

University of Illinois at Urbana-Champaign

Published on


Two-dimensional coherent laser arrays are useful for sensing, optical links, laser pumps, and imaging. However, the fabrication procedures necessary for strongly coupled anti-guiding designs are typically complicated and expensive. This work explores a new and much simpler anti-guided array design using ion implantation and photonic crystal confinement in a vertical-cavity surface-emitting laser. The origin of anti-guiding in the laser arrays is described in detail, and design rules for optimizing performance are discussed. A description of the means to achieve high coherence is presented through both theoretical and experimental investigations. The application of the arrays as low-divergence and steerable sources is demonstrated experimentally


Dominic Siriani, Ph.D. student in Electrical and Computer Engineering with Prof. Kent Choquette


Javid Mohammed Ali

University of Illinois at Urbana-Champaign

Tags, a resource for nanoscience and nanotechnology, is supported by the National Science Foundation and other funding agencies. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.