Moon-Hyeok Lee

Title: Innovations of Moon-Hyeok Lee

Introduction

Moon-Hyeok Lee is a notable inventor based in Berlin, Germany. He has made significant contributions to the field of laser technology, holding a total of 3 patents. His work focuses on developing advanced laser devices that enhance performance and tunability.

Latest Patents

One of his latest patents is a tunable Dense Wavelength Division Multiplex (DWDM) intra-cavity laser device. This invention features a first optical wave guide with a first optical grating section, a second optical wave guide with a second optical grating section, and an active gain section that is spatially separated from the second optical grating section. Additionally, it includes a phase section and a DWDM-filter with an intra-cavity ring resonator that couples optical waves between the two optical wave guides. The tunable laser device can be adjusted in a discrete manner based on the selected length of the ring resonator, ensuring that the free spectral range matches a predetermined fixed wavelength spacing grid.

Another significant patent by Moon-Hyeok Lee is a thermally tunable laser and the method for fabricating such a laser. This invention comprises a substrate and a laser resonator that includes both a gain section and a tuning section. It also features a heating arrangement and a heat sink arrangement designed to dissipate heat from the laser resonator. The innovative design includes a hole arrangement that influences the heat flow, with specific holes positioned within the horizontal range of the tuning section to increase thermal resistance.

Career Highlights

Moon-Hyeok Lee is associated with the Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., a leading research organization in Germany. His work at this institution has allowed him to push the boundaries of laser technology and contribute to advancements in the field.

Collaborations

He has collaborated with notable colleagues, including Martin Möhrle and Martin Moehrle, to further enhance his research and development efforts.

Conclusion

Moon-Hyeok Lee's innovative contributions to laser technology demonstrate his expertise and commitment to advancing the field. His patents reflect a deep understanding of complex optical systems and their applications.