Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1996),
  • paper CFC4

Design, fabrication, and characterization of the double-barrier, reservoir, and quantum well electron transfet modulator

Not Accessible

Your library or personal account may give you access

Abstract

The first barrier reservoir and quantum well electron transfer device was a modulator based on absorption bleaching in a quantum well.1 The exchange of electrons between the reservoir and quantum well requires an external applied voltage. A large band-gap semiconductor containing a p-doped layer acts as a barrier for the electron current. Previous effort was focused on the InGaAs/InGaAlAs InP lattice-matched system with a conduction to valance band-gap offset of 65:35.2 Presently there is interest in transposing a BRAQWET structure to the InGaAsP/InP material system for monolithic integration with Al-free lasers. The small band- gap offset of this system (40:60) tends to lead to excessively high current densities with in the structure.3 However, using an n-doped layer as the first layer in the barrier increases the barrier energy resulting in a decrease in a reduction of current density of more than five orders of magnitude.4 But, the relatively low quantum well potential in such structures does not sufficiently confine the electron-wave function.

© 1996 Optical Society of America

PDF Article
More Like This
Low-leakage InGaAsP quantum-well electron transfer (BRAQWET) structures

B. Dwir, M. Glick, R. Monnard, J. F. Carlin, A. Rudra, M. A. Dupertuis, and F. K. Reinhart
CTuN62 Conference on Lasers and Electro-Optics (CLEO:S&I) 1993

Barrier reservoir and QW electron transfer structures with MQWs per period

Ulf Olin and Cecilia Loostrom
CThI25 Conference on Lasers and Electro-Optics (CLEO:S&I) 1992

Design optimization of phase modulators based on generalized reservoir-and-quantum-well electron-transfer structures

T. Y. Chang and M. K. Chin
CThR36 Conference on Lasers and Electro-Optics (CLEO:S&I) 1991

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved