Spectral engineering with multiple quantum well structures

TL;DR

This paper demonstrates how introducing wells with different exciton energies in Bragg multiple quantum well structures can significantly modify their optical spectra, enabling high contrast and tunability.

Contribution

It presents a novel approach to spectral engineering by using multiple quantum well structures with varied exciton energies.

Findings

Enhanced spectral contrast in reflection spectra.

Tunable optical properties through well energy variation.

Potential applications in optical devices.

Abstract

It is shown that it is possible to significantly modify optical spectra of Bragg multiple quantum well structures by introducing wells with different exciton energies. The reflection spectrum of the resulting structures is characterized by high contrast and tuning possibilities.