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2021 | OriginalPaper | Chapter

4. Qubit Modalities

Author : Venkateswaran Kasirajan

Published in: Fundamentals of Quantum Computing

Publisher: Springer International Publishing

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Abstract

This chapter builds upon the foundational principles of quantum mechanics introduced in previous chapters, focusing on qubit modalities. It begins by defining the vocabulary of quantum computing and discussing the differences between classical bits and quantum bits. The chapter then delves into various types of qubits, including trapped ion qubits, superconducting transmons, topological qubits, and quantum dots. Each modality is explained in detail, highlighting their advantages, challenges, and potential for scalability. The chapter also discusses the metrics used to measure qubit quality, such as spin relaxation time, dephasing time, and gate time. Additionally, it explores the concept of decoherence and the importance of quantum error correction. The chapter concludes by discussing the challenges and future directions in quantum computing, making it a comprehensive guide for anyone interested in the field.
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previous chapter The Quantum Superposition Principle and Bloch Sphere Representation
next chapter Quantum Circuits and DiVincenzo Criteria
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Metadata
Title
Qubit Modalities
Author
Venkateswaran Kasirajan
Copyright Year
2021
Book
Fundamentals of Quantum Computing

Print ISBN: 978-3-030-63688-3

Electronic ISBN: 978-3-030-63689-0

Copyright Year: 2021

DOI
https://doi.org/10.1007/978-3-030-63689-0_4

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