Guang-Hua Duan

Title: The Innovative Contributions of Guang-Hua Duan

Introduction

Guang-Hua Duan is a notable inventor based in San Jose, California. He has made significant contributions to the field of optical technology, particularly through his innovative designs and patents. His work has implications for various applications in telecommunications and laser technology.

Latest Patents

One of Guang-Hua Duan's key patents is for an "Ultra small packaged tunable laser assembly." This invention features an external cavity tunable laser that includes a gain medium module to generate a broadband optical spectrum covering a predetermined wavelength range. The design incorporates a collimating lens to convert a diverging beam into a collimated beam, a pair of etalons for frequency tuning, and an actuator to adjust the external cavity optical path length. Additionally, it includes a bandpass filter to block frequencies outside the predetermined range, a beam splitter for photodetection, a reflection mirror for feedback, an isolator to prevent reflective light from returning to the cavity, and a hermetically sealed housing measuring less than 0.15 cubic centimeters.

Career Highlights

Guang-Hua Duan is currently employed at O-Net Communications Limited, where he continues to push the boundaries of optical technology. His work has been instrumental in developing advanced laser systems that are compact and efficient.

Collaborations

Throughout his career, Guang-Hua has collaborated with talented individuals such as Zhigang Zhou and Kevin Boyd. These partnerships have fostered innovation and have contributed to the successful development of his patented technologies.

Conclusion

Guang-Hua Duan's contributions to the field of optical technology, particularly through his patented tunable laser assembly, highlight his role as a leading inventor in the industry. His work continues to influence advancements in telecommunications and laser applications.