Christian Pflugl

Title: Christian Pflugl: Innovator in Quantum Cascade Lasers

Introduction

Christian Pflugl is a notable inventor based in Cambridge, MA, specializing in advancements in quantum cascade lasers. He holds 2 patents that contribute significantly to the field of laser technology. His work focuses on methods and apparatus that enhance the performance and efficiency of quantum cascade lasers.

Latest Patents

Pflugl's latest patents include innovative methods for single-mode selection in quantum cascade lasers. One of his patents describes a distributed feedback grating that incorporates both index-coupling and loss-coupling components. This design facilitates the selection of one mode from two possible emission modes by introducing a thin layer of 'lossy' semiconductor material. This layer is strategically doped to create a significant loss difference between the two modes, allowing for improved single-mode operation.

Another patent details a quantum cascade laser utilizing a non-resonant extraction design. This design features a multilayered semiconductor with a single type of carrier and multiple final energy levels. The overlapping carrier wave functions are crucial for the laser's efficiency and performance.

Career Highlights

Christian Pflugl is affiliated with Harvard College, where he conducts research and development in the field of quantum technologies. His contributions to the field have been recognized through his patents and ongoing research efforts.

Collaborations

Pflugl has collaborated with esteemed colleagues such as Laurent Diehl and Federico Capasso, further enhancing the impact of his work in the scientific community.

Conclusion

Christian Pflugl's innovative work in quantum cascade lasers exemplifies the intersection of technology and research. His patents reflect a commitment to advancing laser technology, making significant contributions to the field.