Company Filing History:
Years Active: 2002-2005
Title: Innovations of Richard T Sahara
Introduction
Richard T Sahara is a notable inventor based in Watertown, MA (US). He has made significant contributions to the field of semiconductor devices, particularly in laser technology. With a total of 4 patents, his work has advanced the capabilities of laser systems in various applications.
Latest Patents
One of his latest patents is for a "Distributed feedback laser for isolator-free operation." This integrated semiconductor device features a laser on a substrate, which includes an active layer and a current-induced grating. The design allows for a single-mode output light signal at high data rates exceeding 622 Mb/sec without the need for an isolator. The strong current-induced grating prevents mode hopping between multiple degenerate Bragg modes, ensuring excellent immunity from optical feedback.
Another significant patent is the "Tunable laser device for avoiding optical mode hops." This device comprises a wavelength-tunable laser, such as a distributed Bragg reflector (DBR) laser. It includes a gain section and a grating section, both with active layers and current-induced gratings. This innovative design allows for continuous wavelength tuning without the adverse effects of mode hopping, breaking the degeneracy of the Bragg modes through current injection rather than facet reflection.
Career Highlights
Richard T Sahara is currently employed at Corning Lasertron, Incorporated, where he continues to develop cutting-edge laser technologies. His work has been instrumental in enhancing the performance and reliability of laser systems used in various industries.
Collaborations
He has collaborated with notable coworkers, including Hanh Lu and Randal A Salvatore, contributing to the advancement of laser technology through teamwork and shared expertise.
Conclusion
Richard T Sahara's innovative work in laser technology has led to significant advancements in the field. His patents reflect a commitment to improving the performance of semiconductor devices, making him a key figure in the industry.