THz Detectors and Related Topics
This chapter will provide an overview of various methods of detecting electromagnetic waves, with a focus on THz wave detection. The detection can be made exploiting several different mechanisms. First, various thermal effects caused by THz radiation can
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Introduction to Terahertz Electronics
Introduction to Terahertz Electronics
Jae-Sung Rieh
Introduction to Terahertz Electronics
Jae-Sung Rieh School of Electrical Engineering Korea University Seoul, Korea (Republic of)
ISBN 978-3-030-51841-7 ISBN 978-3-030-51842-4 https://doi.org/10.1007/978-3-030-51842-4
(eBook)
© Springer Nature Switzerland AG 2021 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors, and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, expressed or implied, with respect to the material contained herein or for any errors or omissions that may have been made. The publisher remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. This Springer imprint is published by the registered company Springer Nature Switzerland AG The registered company address is: Gewerbestrasse 11, 6330 Cham, Switzerland
To my family: Sohee 소희, Gyujin 규진, and Woojin 우진
Preface
This book is based on the materials I prepared for a graduate-school-level course I have taught for several years in Korea University. The course was designed to provide the required knowledges for the students in the School of Electrical Engineering who are working on research topics around the THz electronics. For them, who are mostly involved in developing circuits and systems operating at frequencies beyond 100 GHz, quite a wide range of information and knowledge are on demand. They need high-frequency circuit design techniques combined with knowledges on microwave theories and device physics for their chip design. When chips are ready, they have to characterize and carry out experiments with them, definitely not a trivial task, for which the students are required to understand the propagation of THz beams in free space and waveguides. Often, they need to compare their results to or borrow ideas from THz vacuum electronic devices and optics-based THz components and systems. Also, they are expected to understand the basics of the application fields, such as spectroscopy, imaging, broadband communication, and radar, depending on their specific research topics. To prepare for the one-semester course that satisfies these needs, I had to
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