Na Qian

Title: Na Qian: Innovator in Photonic Systems

Introduction

Na Qian, an accomplished inventor based in Shanghai, China, has made significant contributions to the field of photonic technologies. With a total of two patents to his name, his work primarily focuses on enhancing analog-to-digital conversion systems through innovative optical sampling methods.

Latest Patents

One of Na Qian's latest patents is an **Optical Sampling Signal Holding Method for Photonic Analog-to-Digital Conversion System**. This invention relies on the frequency response principles of sampling and holding to control photonic sampling processes. It effectively eliminates the time mismatch between electronic analog-to-digital converters and optical pulses, significantly improving the performance and reliability of photonic conversion systems. By avoiding extra costs associated with active devices and software, this method can handle multiple channels and is poised to provide technical solutions for high sampling rate applications in the future.

Another notable invention is the **Coherent Photon Analog-to-Digital Conversion Device**. This device features an optical clock oscillation source, a sampled signal source, and various components like a photon sampling gate and photoelectric detection module. By enhancing the coherence between the optical clock and sampled signals, this innovation reduces clock jitter and substantially improves sampling precision. This advancement is crucial for applications such as microwave photon radar and optical communication systems, where high time and sampling accuracy are essential.

Career Highlights

Na Qian's career has been marked by his association with prominent institutions such as Shanghai Jiao Tong Technology and Shanghai Jiao Tong University. His work focuses on pushing the boundaries of photonic technology and contributing to the broader field of electrical engineering and communications.

Collaborations

Throughout his career, Na Qian has collaborated with notable colleagues, including Weiwen Zou and Guang Yang. These teamwork efforts have brought forth innovative solutions and have emphasized the value of collaboration in advancing technological inventions.

Conclusion

With his innovative mind and dedication to advancing photonic technologies, Na Qian continues to pave the way for future developments in analog-to-digital conversion systems. His patents serve as a testament to his visionary approach and commitment to excellence in the field of photonics.