Company Filing History:
8 out of 7,865 
1 out of 14,084 
Years Active: 1993-2000
Title: The Innovations of Jun Qiu
Introduction
Jun Qiu is a notable inventor based in Woodbury, MN (US). He has made significant contributions to the field of laser technology, holding a total of 9 patents. His work primarily focuses on II-VI laser diodes, which are essential for various applications in optics and photonics.
Latest Patents
One of Jun Qiu's latest patents is for II-VI laser diodes with a short-period strained-layer superlattice quantum. This innovative laser diode is designed to emit a coherent beam of light in the blue and/or green portions of the spectrum. It features multiple layers of II-VI semiconductor forming a pn junction, including a first light-guiding layer. Additionally, a short-period strained-layer superlattice (SPSLS) CdZnSe quantum well active layer is strategically positioned within the pn junction. The layers of II-VI semiconductor are supported by a substrate, and first and second electrodes on opposite sides couple electrical energy to the laser diode.
Another significant patent involves the method of fabricating a buried-ridge II-VI laser diode. This design incorporates a buried-ridge or buried-heterostructure II-VI laser diode. Polycrystalline II-VI semiconductor materials such as ZnS, ZnSSe, ZnSe, or CdS are deposited by vacuum evaporation to bury the etched ridge, enhancing the diode's performance.
Career Highlights
Throughout his career, Jun Qiu has worked with prominent companies, including Minnesota Mining and Manufacturing Company and 3M Innovative Properties Company. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in laser technology.
Collaborations
Jun Qiu has collaborated with several talented individuals in his field, including Hwa Cheng and James M DePuydt. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Jun Qiu's contributions to the field of laser technology are noteworthy, with a focus on II-VI laser diodes that have significant implications for various applications. His innovative patents and collaborations highlight his role as a leading inventor in this domain.