Company Filing History:
Years Active: 2008
Title: Innovations of Joshua Ji in Laser Technology
Introduction
Joshua Ji is an accomplished inventor based in Santa Clara, CA (US). He has made significant contributions to the field of laser technology, particularly in the development of low-noise laser diode modules. His innovative approach has led to advancements that enhance the performance and stability of laser systems.
Latest Patents
Joshua Ji holds a patent for "Radio frequency modulation of variable degree and automatic power control using external photodiode sensor for low-noise lasers of various wavelengths." This invention describes a low-noise laser diode module that includes a laser diode for emitting light across a range of wavelengths from UV to IR. The module features a drive circuit that injects electrical current into the diode and an automatic power control circuit that monitors and adjusts the laser output power using a front-facet photodiode external to the laser assembly. The drive circuit produces injection current modulated by an RF signal with variable degrees, depending on the wavelength to be stabilized and the desired spectral bandwidths of the laser output. This invention encompasses methods for producing stable, broadband, and low-coherent lasers, as well as stable narrowband or single longitudinal mode lasers.
Career Highlights
Joshua Ji is currently employed at Pavilion Integration Corporation, where he continues to work on innovative laser technologies. His expertise in the field has positioned him as a key contributor to the company's research and development efforts.
Collaborations
Joshua has collaborated with notable colleagues, including Ningyi Luo and Sheng-Bai Zhu, who share his passion for advancing laser technology.
Conclusion
Joshua Ji's contributions to laser technology through his innovative patents and collaborative efforts highlight his role as a significant inventor in the field. His work continues to influence advancements in low-noise laser systems, showcasing the importance of innovation in technology.