Andrew M Sarangan

Title: The Innovations of Andrew M. Sarangan

Introduction

Andrew M. Sarangan is a notable inventor based in Waterloo, Canada. He has made significant contributions to the field of laser technology, particularly with his innovative designs in multi-wavelength laser arrays. His work has implications for various applications in telecommunications and optical systems.

Latest Patents

One of Andrew M. Sarangan's key patents is titled "Multi-wavelength gain-coupled distributed feedback laser array with fine tuning." This patent describes a multi-wavelength laser array that features a plurality of gain-coupled distributed feedback ridge waveguide lasers. The operational wavelength of each laser is determined by selecting the width of the ridge waveguide, which ranges from 1.6 µm to 5.2 µm. Fine tuning of each central wavelength is achieved by applying thermal power to selected waveguides through Titanium thin film resistors integrated into the laser array. This innovative design demonstrates a wavelength range of 9 nm utilizing a sixteen-element array.

Career Highlights

Andrew M. Sarangan has worked at Northern Telecom Limited, where he has been able to apply his expertise in laser technology. His contributions have been instrumental in advancing the capabilities of telecommunications systems. His innovative approach to laser design has garnered attention in the industry.

Collaborations

Throughout his career, Andrew has collaborated with notable colleagues, including Guo P. Li and Toshihiko Makino. These collaborations have further enriched his work and contributed to the development of advanced technologies in the field.

Conclusion

Andrew M. Sarangan's contributions to laser technology exemplify the spirit of innovation in the field. His patented designs and collaborative efforts continue to influence advancements in telecommunications and optical systems.