Company Filing History:
Years Active: 1993
Title: The Innovations of William J. Gignac
Introduction
William J. Gignac is a notable inventor based in Sunnyvale, CA (US). He is recognized for his contributions to the field of laser technology. His innovative work has led to the development of a unique laser diode construction that enhances spectral stability.
Latest Patents
William J. Gignac holds a patent for a "Spectrally stable laser diode with internal reflector." This invention features a laser diode construction that incorporates internal reflectors within the laser cavity. These reflectors provide a stable spectral mode of laser operation. The design includes multiple contiguous semiconductor layers on a substrate, forming a semiconductor body with an active region. The electrically conductive contacts bias the heterostructure to inject current into the active region, producing lightwaves. The feedback mechanism defines two or more tandem resonant optical cavities to achieve lasing operation. Notably, the feedback means includes at least one internal light reflector within the semiconductor body. In a preferred embodiment, a pair of spaced-apart internal reflectors is utilized, with the region between them being electrically pumped to define an active internal etalon. Other embodiments may feature multiple periodic reflectors or a combination of internal reflectors with feedback gratings or passive windows at the end facets of the body.
Career Highlights
William J. Gignac is associated with Spectra Diode Laboratories, Inc., where he has made significant contributions to the field of laser technology. His work has been instrumental in advancing the capabilities of laser diodes, making them more efficient and reliable.
Collaborations
Throughout his career, Gignac has collaborated with notable colleagues, including Richard R. Craig and David F. Welch. These collaborations have further enriched his work and contributed to the advancements in laser technology.
Conclusion
William J. Gignac's innovative contributions to laser technology, particularly through his patented spectrally stable laser diode, highlight his role as a significant inventor in the field. His work continues to influence advancements in laser applications and technology.