John Hryniewicz

Title: John Hryniewicz: Innovator in Tunable Laser Technology

Introduction

John Hryniewicz is a notable inventor based in Columbia, MD (US). He has made significant contributions to the field of laser technology, particularly with his innovative work on tunable laser assemblies. His expertise and inventions have positioned him as a key figure in the industry.

Latest Patents

Hryniewicz holds a patent for a tunable laser assembly. This invention describes a tunable laser assembly housed in a single enclosure, along with a method of control. The design ensures that the tunable laser, pump, and semiconductor optical amplifier do not share a common optical axis but are aligned to optical waveguides on an intervening planar lightwave circuit (PLC). The patent also includes wavelength monitoring circuitry on the PLC, enabling monitoring and control of the tunable laser's center wavelength and optical bandwidth. Importantly, the design of the PLC does not introduce perturbations into the swept-source laser output spectrum, which is crucial for imaging applications such as optical coherence tomography (OCT).

Career Highlights

Hryniewicz is currently employed at Thorlabs Quantum Electronics, Inc., where he continues to develop cutting-edge technologies in the field of optics and photonics. His work has garnered attention for its innovative approach and practical applications in various industries.

Collaborations

Throughout his career, Hryniewicz has collaborated with talented individuals such as Peter J S Heim and Jacob Mertz. These collaborations have further enhanced his work and contributed to advancements in laser technology.

Conclusion

John Hryniewicz is a distinguished inventor whose contributions to tunable laser technology have made a significant impact in the field. His innovative designs and patents continue to influence advancements in optical applications.