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Location History:
- Wheaton, IL (US) (1993 - 1997)
- Geneva, IL (US) (2005 - 2024)
Company Filing History:
31 out of 117 
11 out of 205 
9 out of 2,340 
Years Active: 1993-2025
Title: The Innovative Contributions of John M. Dallesasse
Introduction
John M. Dallesasse, a prominent inventor based in Wheaton, IL, has made remarkable contributions to the field of optical technologies. With a total of 51 patents to his name, Dallesasse has been at the forefront of innovations in photonics and integrated optical devices, demonstrating a strong commitment to advancing technology.
Latest Patents
Dallesasse's recent patents include two notable inventions. The first is the "Monolithically-integrated, polarization-independent circulator." This optical circulator is formed using silicon photonics and incorporates an optical splitter with two couplers and waveguides. Notably, one waveguide is thinner, creating a significant effective index difference between the TE and TM modes transmitted. The design also utilizes polarization rotators to enhance the functionality of the optical circulator.
The second recent innovation is "Heterogeneous substrate bonding for photonic integration." This method involves fabricating a composite integrated optical device by providing a substrate with a silicon layer, forming a waveguide within it, and coupling a metal layer to the silicon. The process includes creating a metal-assisted bond with an optical detector, as well as forming a direct semiconductor-semiconductor bond between the waveguide and the detector.
Career Highlights
Throughout his career, Dallesasse has worked with several esteemed companies, including Skorpios Technologies, Inc. and Emcore Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, resulting in numerous advancements in optical technologies.
Collaborations
In his journey as an inventor, Dallesasse has collaborated with notable coworkers such as Stephen B. Krasulick and Timothy Creazzo. Their collective expertise and vision have greatly contributed to the successful development of groundbreaking technologies in the field.
Conclusion
John M. Dallesasse's contributions to the field of photonics are substantial, with a portfolio of innovations that continue to shape the industry. His latest patents demonstrate an unwavering commitment to creating advanced optical systems that enhance performance in various applications. Dallesasse's work not only exemplifies his own inventive spirit but also sets the stage for future innovations in optical technologies.
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