John W Little, Jr

Title: John W Little, Jr: Innovator in Electro-Optic Quantum Well Devices

Introduction

John W Little, Jr. is a notable inventor based in Wheaton, MD (US). He has made significant contributions to the field of semiconductor technology, particularly with his innovative work on electro-optic devices. His expertise and creativity have led to advancements that enhance the functionality of quantum well devices.

Latest Patents

John W Little, Jr. holds a patent for an electro-optic quantum well device. This device is a quantum well semiconductor that responds to optical energy and operates through resonant field ionization of quantum confined excitons. The invention features a multi-layered semiconductor structure fabricated on a substrate, which includes at least two quantum well layers of different widths separated by a semiconductor barrier layer. The distinct widths of the quantum well layers result in different electron and hole sub-band energies. When an external electric field is applied, the electron sub-bands can resonate, allowing electrons to tunnel through the barrier layer. This mechanism alters the light absorption coefficient near the excitonic absorption feature, enabling phase shifting or modulation of light traversing the device.

Career Highlights

John W Little, Jr. is associated with Martin Marietta Corporation, where he has contributed to various projects and innovations in semiconductor technology. His work has been instrumental in advancing the understanding and application of quantum well devices in practical scenarios.

Collaborations

One of his notable collaborators is Richard P Leavitt. Together, they have worked on projects that push the boundaries of semiconductor technology and its applications.

Conclusion

John W Little, Jr. is a distinguished inventor whose work on electro-optic quantum well devices has made a significant impact in the field of semiconductor technology. His innovative approach continues to inspire advancements in this critical area of research.