Katherine A Yanushefski

Title: Innovations of Katherine A. Yanushefski: A Leader in Optical Technology

Introduction: Katherine A. Yanushefski is a prominent inventor located in Zionsville, PA, known for her significant contributions to the field of optical technology. With an impressive portfolio of 21 patents, she has made substantial advancements in the development of sub-micron planar lightwave devices.

Latest Patents: One of her latest innovations is focused on sub-micron planar lightwave devices formed on a silicon-on-insulator (SOI) optical platform. This patent describes a set of planar, two-dimensional optical devices that can be created in a sub-micron surface layer of an SOI structure, or within a combination of an SOI surface layer and an overlying polysilicon layer. The use of conventional masking and etching techniques allows the formation of various passive and optical devices on this platform. Regions of the devices can be doped to form the active device structures, while the polysilicon layer may be separately patterned to create regions of effective mode index change for a propagating optical signal.

Career Highlights: Katherine has had a successful career, working with esteemed companies such as Sioptical, Inc. and Lightwire, Inc. Her expertise in optical technology has allowed her to push the boundaries of innovation in this domain.

Collaborations: Throughout her career, Katherine has collaborated with notable individuals in the field, including Robert Keith Montgomery and Margaret Ghiron. These partnerships have enriched her work and contributed to the advancements made in her patents.

Conclusion: Katherine A. Yanushefski's contributions to optical technology demonstrate her expertise and innovative mindset. With a significant number of patents to her name and collaborations with other industry experts, she continues to be a vital figure in advancing planar lightwave devices and ensuring their effective application in various fields.