Jie Sun

Title: Inventor Jie Sun: Pioneering Advances in Photonic Devices and Augmented Reality

Introduction

Jie Sun, based in Cambridge, MA, is an accomplished inventor with a portfolio of seven patents. His groundbreaking work primarily focuses on photonic devices and methods that enhance the capabilities of technology in the fields of optics and augmented reality.

Latest Patents

One of Jie Sun's recent innovations is centered around photonic devices, particularly integrated erbium-doped waveguide lasers designed for silicon photonic systems. These lasers utilize laser cavities defined by distributed Bragg reflectors (DBRs) formed within silicon nitride-based waveguides. The design incorporates grating features enabled by wafer-scale immersion lithography, culminating in a final layer of erbium-doped aluminum oxide for enhanced performance. The resulting inverted ridge-waveguide achieves an impressive optical intensity overlap with the active medium, providing a pump-laser intensity overlap exceeding 93%. These advancements lead to output powers of 5 mW or higher, with lasing capabilities across diverse wavelengths within the C- and L-bands of the erbium gain spectrum.

In addition, Jie Sun has developed a display apparatus for augmented reality that features an array of optical phased arrays (OPAs) integrated into a transparent substrate. This innovative display emits light encoded with a four-dimensional (4D) light field, which includes 2D spatial and directional coordinates, allowing for the creation of lifelike virtual images viewed directly on the retina. By manipulating the emission directions of light beams from individual OPAs, the display can adjust depth perception. The technology further incorporates liquid crystal elements to modulate the amplitudes and relative phases of the emitted light, enriching the user experience in AR environments.

Career Highlights

Jie Sun's affiliation with the prestigious Massachusetts Institute of Technology has positioned him at the forefront of photonic research and development. His contributions are instrumental in driving advancements in optical technologies, particularly within academic and industrial research realms.

Collaborations

Throughout his career, Jie Sun has collaborated with notable peers, including Michael Robert Watts and Ehsan Shah Hosseini. These collaborations have fostered a collaborative environment that enhances innovation and accelerates the evolution of optical technologies.

Conclusion

With seven patents to his name, Jie Sun has significantly impacted the fields of photonic devices and augmented reality. His inventive work continues to pave the way for future advancements, demonstrating the vital role of innovation in technology and enhancing user experiences across diverse applications.