Company Filing History:
2 out of 2 
3 out of 832,718 Years Active: 2018
Title: Guohua Wen: Innovator in Photonic Crystal Technology
Introduction
Guohua Wen is a prominent inventor based in Shenzhen, China. He has made significant contributions to the field of photonic crystals, holding a total of five patents. His work focuses on developing optical switches that enhance performance in various applications.
Latest Patents
One of his latest patents is the "TE optical switch with high extinction ratio based on slab photonic crystals." This invention discloses a TE optical switch (TEOS) that features a high extinction ratio, comprising an upper slab photonic crystal (PhC) and a lower slab PhC connected as a whole. The upper slab PhC is a first square-lattice slab PhC, which includes a high-refractive-index rotating-square pillar, three first flat dielectric pillars, and a background dielectric. The lower slab PhC is a second square-lattice slab PhC with a complete bandgap. The normalized operating frequency of the TEOS is between 0.4057 and 0.406.
Another notable patent is the "TM optical switch based on slab photonic crystals with high degree of polarization and large extinction ratio." This invention describes a TM optical switch (TMOS) that also comprises an upper slab PhC and a lower slab PhC. The upper slab PhC is characterized by a TE bandgap and includes a high-refractive-index rotating-square pillar, a single first flat dielectric pillar, and a background dielectric. The normalized operating frequency of the TMOS is between 0.252 and 0.267.
Career Highlights
Throughout his career, Guohua Wen has worked with various companies, contributing his expertise in photonic technologies. His experience has allowed him to develop innovative solutions that address the challenges in optical switching.
Collaborations
Guohua has collaborated with Zhengbiao Ouyang, enhancing the scope of his research and development efforts. Their partnership has led to advancements in the field of photonic crystals.
Conclusion
Guohua Wen is a distinguished inventor whose work in photonic crystal technology has led to significant advancements in optical switches. His contributions continue to influence the field and pave the way for future innovations.
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