Hsiang-Yi D Law

Title: The Innovative Journey of Hsiang-Yi D Law

Introduction

Hsiang-Yi D Law, an accomplished inventor based in Agoura, CA, is known for his significant contributions to the field of semiconductor technology. With two patents to his name, he has focused on developing advanced laser structures that enhance the efficiency and functionality of optical devices.

Latest Patents

Hsiang-Yi's latest patents showcase his innovative approach to semiconductor laser technology. The first patent describes a **semiconductor laser structure** that operates at relatively high powers and offers high brightness levels compared to previous laser arrays. This design features at least two principal lasing regions within a single active layer, coupled by an intermediate region with optical gain. The configuration is optimized for single-filament lasing, resulting in a high-brightness, single-lobe far-field radiation distribution pattern with a low divergence angle. The materials used in this innovative structure include gallium arsenide and gallium aluminum arsenide, fabricated through liquid-phase epitaxy.

The second patent involves an **integrated laser and field effect transistor**. This monolithic device integrates a semiconductor laser and a metal-insulator-semiconductor field-effect transistor (MISFET) on a substrate, enabling advanced planar fabrication techniques. It presents multiple embodiments, including one on an n+ substrate operating in inversion mode, another with a semi-insulating layer confining current-carrier flow in depletion mode, and a third using a semi-insulating substrate with a buried heterostructure laser design.

Career Highlights

Hsiang-Yi D Law is currently associated with TRW Limited, where he continues to push the boundaries of innovation in semiconductor devices. His expertise in laser technology positions him at the forefront of developments in this critical field.

Collaborations

Throughout his career, Hsiang-Yi has collaborated with notable coworkers such as Edward A Rezek and Frank E Goodwin. These partnerships enhance the collaborative spirit of innovation, pooling together diverse talents and perspectives to achieve groundbreaking advancements in technology.

Conclusion

Hsiang-Yi D Law's work exemplifies the essence of innovation in the realm of semiconductor lasers. His patents reflect a commitment to enhancing technological capabilities and improving the performance of devices that rely on sophisticated laser functions. With continued efforts at TRW Limited and fruitful collaborations, Hsiang-Yi is set to make even more impactful contributions to the field.