Summaries by Inventor Yang, Lan

Ultra-sensitive Gas Sensor and System for Improving Gas Limit Detection
Li, Fu ; Li, Yihang ; Liao, Jie ; Mao, Wenbo ; Yang, Lan ; Zhang, Qian ; Zhao, Guangming
T-020963

— Published date: 2/13/2026 Value Proposition: A compact microresonator sensor that can enhance light-matter interaction to enable highly sensitive detection of trace amounts of gas for safety, environmental, and diagnostic applications. Technology Description Researchers at Washington Universi…

Novel Sensing Platform that Improves the Sensitivity of Optical Sensors
Mao, Wenbo ; Yang, Lan
T-020957

— Published date: 2/13/2026 Value Proposition: A new plug-in sensing platform system that uses exceptional points (EPs) to enhance the sensitivity of optical sensors, without requiring redesign or costly hardware modification. Technology Description Researchers at Washington University in St. Lou…

New Process Used to Enhance High Sensitivity and Detection Limit of Microresonators
Adolphson, Maxwell ; Liao, Jie ; Qavi, Abraham ; Yang, Lan
T-020406

— Published date: 2/13/2026 Value Proposition: A cost-effective packaging technique that uses non-toxic polydimethylsiloxane to protect and enhance function of WGM devices. Technology Description Researchers at Washington University in St. Louis have developed a new process used to package optica…

Low-cost optical sensors for high performance, discrete hearing aids
Liao, Jie ; Yang, Lan
T-019167

— Technology Description A team of engineers in Prof. Lan Yang’s laboratory have developed ultra-sensitive, broad bandwidth optical sensors that could detect sound in low-cost, discrete hearing devices. This technology utilizes whispering gallery mode (WGM) resonators as compact photonic vibra…

Parity-Time Symmetric Whispering-Gallery-Mode Microcavities Sensor
Ozdemir, Sahin ; Peng, Bo ; Yang, Lan
T-014053

— A non-reciprocal transmission device based on PT symmetry was previously theorized but never before constructed and shown to work at useful optical wavelengths. The new structure allows creation of the miniaturized optical isolation function without use of the century+ known Faraday effect. Optica…

Robust Suite of Technologies Offers Significant Enhancements for Whispering Gallery Mode (WGM) Microresonator Sensors and Laser Systems
Chen, Da-Ren ; He, Lina ; Ozdemir, Sahin ; Yang, Lan ; Zhu, Jiangang
T-009642

— WGM microresonators are an immature technology with room for improvement Microresonators are optical devices that are an important component of microlasers used in optoelectronics, data communications, and sensing. Most microresonators are WGM type, which confine light to a very small volume for si…

Photoacoustic Detection Sensor for the Classification of Cells
Adolphson, Maxwell ; Li, Hangyue ; Liao, Jie ; Lu, Chenyang ; Sikder, Dipayon ; Yang, Lan
T-020887

— Published date: 2/13/2026 Value Proposition: A photoacoustic sensor device that can expand detection area and provide selectivity to improve the classification of cells and enhance biological sensing performance. Technology Description Researchers at Washington University in St. Louis have dev…