Company Filing History:
Years Active: 2004
Title: Hwi Siong Lim: Innovator in Photonic Technologies
Introduction
Hwi Siong Lim is a prominent inventor based in Singapore, known for his contributions to the field of photonic technologies. With a total of two patents to his name, Lim has made significant strides in the development of advanced semiconductor lasers and photonic lightwave circuits.
Latest Patents
One of Lim's latest patents is focused on the fabrication of stacked photonic lightwave circuits. This innovative technique involves the use of etched PECVD dielectric layers for light guiding structures, which are surrounded by an interlayer PLC cladding made of a tailored sol-gel composition. This approach allows for precise control over the refractive index and thickness, catering to the specific requirements of various devices.
Another notable patent is for a two-section distributed Bragg reflector laser. This semiconductor laser features a gain section and an adjacent Bragg section, designed to emit laser light through a facet at the interface between air and the gain section. The Bragg section includes a distributed reflecting structure that ensures single longitudinal mode operation, achieving a side-mode suppression ratio of 35 dB or more. This design effectively suppresses optical feedback, enhancing the performance of the laser.
Career Highlights
Hwi Siong Lim is currently employed at Denselight Semiconductor Pte Ltd, where he continues to push the boundaries of photonic technology. His work has been instrumental in advancing the capabilities of semiconductor lasers and lightwave circuits, making significant contributions to the industry.
Collaborations
Lim has collaborated with notable colleagues, including Yee Loy Lam and Yuen Chuen Chan, further enriching his research and development efforts in the field of photonics.
Conclusion
Hwi Siong Lim's innovative work in photonic technologies has positioned him as a key figure in the industry. His patents reflect a commitment to advancing semiconductor laser technology and photonic circuits, showcasing his expertise and dedication to innovation.