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CRC Press eBooks

Semiconductor Optical Memory Devices

Umbreen Rasheed, Fayyaz Ahmad Hussain, R.M. Arif Khalil, Muhammad Ali Imran

Published May 16, 2022• 0 citations
Publisher

Abstract

This chapter instigates the role of semiconductors for optical memory devices. For better description, electronic and optical properties of II-VI, III-V and ZnO semiconductors using density functional theory employing VASP code are investigated. It is expected that remarkable properties of semiconductors shown in this study will provide fruitful knowledge for modifying and improving efficiency of optical memory devices.

DOI
10.1201/9781003188582-3

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This chapter instigates the role of semiconductors for optical memory devices. For better description, electronic and optical properties of II-VI, III-V and ZnO semiconductors using density functional theory employing VASP code are investigated. It is expected that remarkable properties of semiconductors shown in this study will provide fruitful knowledge for modifying and improving efficiency of optical memory devices.
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Abstract Quantum memory devices are essential components of integrated quantum-photonic circuits with applications in quantum computing and quantum information processing. The comprehension and quantification of critical properties such as fidelity, coherence time, storage time, and efficiency of quantum memory are insufficient in the extant literature. In this review, we examine the development and characteristics of various types of quantum memories. Although diverse approaches to storing quantum information are described in detail, we emphasize solid-state quantum memory. Furthermore, we discuss the fabrication and characterization of defects of quantum materials, including two-dimensional materials, for quantum memory applications. We survey theoretical tools such as density functional theory for studying defects to evaluate quantum properties.
Abstract Devices combining superconductors with semiconductors offer a wide range of applications, particularly in the growing field of quantum information processing. This is due to their ability to take advantage of both the extensive knowledge gathered in the field of semiconductors and the unique quantum properties of superconductors. This results in novel device concepts, such as structures generating and detecting entangled photon pairs as well as novel optical gain and laser realizations. In this review, we discuss the fundamental concepts and the underlying physical phenomena of superconductor–semiconductor optoelectronics as well as practical device implementations.