Ji Cheng

Title: The Innovations of Ji Cheng

Introduction

Ji Cheng is a notable inventor based in Ithaca, NY (US), recognized for her contributions to the field of fiber optics. With a total of 2 patents, her work focuses on advancing technologies related to wavelength tunable ultra-short pulse lasers and optical mode conversion.

Latest Patents

Ji Cheng's latest patents include innovative designs for fiber optics. One patent, titled "Fiber designs for wavelength tunable ultra-short pulse lasers," describes systems that incorporate fiber designs for higher order mode fibers capable of soliton self-frequency shifting. This system includes a first fiber for shifting the wavelength from a pump wavelength to a transfer wavelength and a second fiber for shifting the pulse from the transfer wavelength to an output wavelength. Another significant patent, "Optical mode conversion by nonlinear effects," relates to nonlinear mode conversion utilizing intermodal four-wave mixing. This invention allows for the conversion of light between modes with different wavelengths, enhancing the capabilities of fiber optics in complex applications.

Career Highlights

Throughout her career, Ji Cheng has worked with prominent organizations such as OFS Fitel, LLC and Cornell University. Her experience in these institutions has contributed to her expertise in fiber optics and laser technologies.

Collaborations

Ji Cheng has collaborated with notable colleagues, including Lars Gruner-Nielsen and Dan Peter Jakobsen. These partnerships have further enriched her research and development efforts in the field.

Conclusion

Ji Cheng's innovative work in fiber optics and laser technology showcases her significant contributions to the field. Her patents reflect a commitment to advancing optical technologies, making her a key figure in the industry.