Etienne G Colas

Title: The Innovations of Etienne G Colas

Introduction

Etienne G Colas is a notable inventor based in Asbury Park, NJ (US). He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work primarily focuses on advanced laser structures and semiconductor fabrication methods.

Latest Patents

Colas's latest patents include "Selective area regrowth for surface-emitting lasers and other sharp" and "Method of making a macroscopic stepped structure on a vicinally cut." The first patent describes a method of etching and regrowing III-V compounds in sharply defined vertical features. This innovative approach utilizes molecular beam epitaxy to create a surface-emitting diode laser structure from semiconducting III-V materials. The process involves defining a tungsten mask over the intended laser array, etching through to form high aspect-ratio pillars, and regrowing III-V material around these pillars. The second patent outlines a method for creating a semiconductor structure with macroscopic parallel steps by cutting a crystal face at a vicinal angle. This technique allows for the formation of atomic-sized microsteps that coalesce into larger steps during epitaxial growth.

Career Highlights

Colas is currently employed at Bell Communications Research, Inc., where he continues to push the boundaries of semiconductor research. His work has been instrumental in developing new technologies that enhance the performance of laser devices and semiconductor structures.

Collaborations

Throughout his career, Colas has collaborated with esteemed colleagues such as David E Aspnes and Rajaram Bhat. These partnerships have contributed to the advancement of knowledge and innovation in the field of semiconductor technology.

Conclusion

Etienne G Colas is a prominent figure in the realm of semiconductor inventions, with a focus on laser technology and fabrication methods. His contributions have paved the way for advancements in the industry, showcasing the importance of innovation in technology.