Company Filing History:
26 out of 61 
6 out of 4,548 
3 out of 832,812 Years Active: 1996-2012
Title: Innovations by Steve Yao in Optical Technology
Introduction
Steve Yao, a prominent inventor based in Diamond Bar, CA, has made significant contributions to optical technology with a remarkable portfolio of 35 patents. His inventions focus on advanced techniques for the manipulation of light, addressing critical challenges in optical transmission and signal processing.
Latest Patents
Among his recent innovations are patents for optical depolarizers and differential group delay (DGD) generators. One of these patents describes techniques and devices that aim to depolarize light and produce variable DGD in optical signals. In this implementation, an input optical beam is separated into two beams with orthogonal polarizations. Optical reflectors are employed to create different optical path lengths for each beam before they are recombined into a single output beam. An adjustment mechanism allows for fine-tuning the optical path lengths to achieve a variable DGD. Importantly, when depolarizing light, the path length difference is set to exceed the coherence length of the input optical beam, effectively mitigating noise and enhancing signal quality.
Additionally, Yao's innovations include a patented approach to reducing optical noise and polarization mode dispersion (PMD) in fiber transmission systems. This invention employs devices and techniques for dynamically managing polarization of light throughout the optical transmission path. A key component involves a polarization controller that adjusts the polarization state of the optical signal in response to specific control signals. Output from the polarization controller is passed through a fixed optical polarizer, leading to improved output power levels by maximizing the effectiveness of the transmission.
Career Highlights
During his career, Steve Yao has been associated with notable entities such as General Photonics Corporation and the California Institute of Technology, where he has applied his expertise in optical technologies. His work has not only advanced the field but has also contributed to practical applications in telecommunications and other industries.
Collaborations
Throughout his journey, Yao has worked alongside talented professionals, including Lianshan Yan and Yongqiang Shi. These collaborations have facilitated the exchange of ideas and enhanced the development of innovative optical technologies.
Conclusion
With a strong foundation in optical inventions and a commitment to enhancing signal processing techniques, Steve Yao stands out as a leading inventor in his field. His patents not only showcase his innovative spirit but also have significant implications for the future of optical technologies.