Oukjae Lee

Title: Oukjae Lee: Innovator in Spin-Torque Nano-Oscillators

Introduction

Oukjae Lee is a prominent inventor based in Ithaca, NY (US). He has made significant contributions to the field of nano-oscillators, particularly through his innovative work on quasi-linear spin-torque devices. His research focuses on the application of spin-transfer torque in magnetic layers, which has implications for various technological advancements.

Latest Patents

Oukjae Lee holds a patent for "Quasi-linear spin torque nano-oscillators." This patent discloses techniques, systems, and devices that implement a quasi-linear spin-torque nano-oscillator. The invention is based on the exertion of spin-transfer torque on local magnetic moments within a magnetic layer, leading to their precession. The disclosed examples utilize spin-polarized currents to excite nano magnets, which undergo persistent oscillations at RF or microwave frequencies. The application of spin currents is designed to be non-uniform, allowing for both the excitation of nano magnets into oscillations and the generation of dynamic damping to reduce nonlinearity associated with amplitude and phase fluctuations.

Career Highlights

Oukjae Lee is affiliated with Cornell University, where he conducts his research and development in the field of nano-oscillators. His work has garnered attention for its innovative approach and potential applications in various technologies.

Collaborations

Oukjae Lee has collaborated with notable colleagues, including Robert A. Buhrman and Daniel C. Ralph. These collaborations have contributed to the advancement of research in spin-torque technologies and their applications.

Conclusion

Oukjae Lee is a key figure in the development of spin-torque nano-oscillators, with a patent that showcases his innovative techniques and systems. His work at Cornell University and collaborations with esteemed colleagues highlight his contributions to the field.