**Meet the editor**

Kuan W. A. Chee is Outstanding Professor at the Shandong Academy of Sciences and head of the Optoelectronics Materials Laboratory. He has a diverse background in leading high-tech industries and academia. He has published in several top journals, books, and conference proceedings and has given numerous talks at international conferences and seminars in science and engineering. His research covers electronic design, nano- and post-CMOS electronics, and photonic and optoelectronic devices. He has received prizes and awards such as from the Institution of Engineering and Technology, UK; the Institute of Physics, UK; the Institute of Electrical and Electronics Engineers, USA; the Royal Academy of Engineering, UK; the Materials Research Society; and the Cambridge Philosophical Society. Prof. Chee is supported by a science and engineering talent program in China.

Contents

**Preface VII**

Kuan W.A. Chee

**Section 2 Materials and Devices 9**

**Macromolecules 11**

Chapter 3 **Ion-Beam Modified Terahertz GaAs**

**GaAs Photocathode 49**

**Section 3 Technology and Applications 95**

Chapter 1 **Introductory Chapter: Photodetectors 3**

Chapter 2 **Photoconductive Interlocked Molecules and**

**Photoconductive Antenna 33** Caiming Sun and Aidong Zhang

Yijun Zhang and Gangcheng Jiao

Chapter 5 **a-Si:H p-i-n Photodiode as a Biosensor 73** Vera Gradišnik and Darko Gumbarević

Chapter 6 **Single-Pixel Imaging Using Photodiodes 97**

Jesús Lancis and Enrique Tajahuerce

Raffaello Papadakis, Ioanna Deligkiozi and Hu Li

Chapter 4 **Energy Bandgap Engineering of Transmission-Mode AlGaAs/**

Yessenia Jauregui-Sánchez, Pere Clemente, Pedro Latorre-Carmona,

**Section 1 Introduction 1**

## Contents




Preface

well as technology and applications.

This edited volume is a collection of reviewed and relevant research chapters covering stateof-the-art developments in research and technology within the field of photodetectors.

Contributions from scholars and experts are pertinent to photodetector device physics as

Followed by an introduction in the first section, section 2, "Materials and Devices," includes chapters on topics including: photoconductive interlocked molecules and macromolecules; ion-beam modified terahertz GaAs photoconductive antenna; energy bandgap engineering of transmission-mode AlGaAs/GaAs photocathode; and a-Si:H p-i-n photodiode as a biosensor. Section 3, "Technology and Applications," includes chapters on topics including: single-pix‐ el imaging using photodiodes; overcoming the bandwidth-quantum efficiency tradeoff; and linear CCD based spectrometry using a FPGA-centered design methodology. This work will appeal to students and professionals interested in studying and dealing with photodetector

University of Nottingham , Ningbo, People's Republic of China

Laser Research Institute, Shandong Academy of Sciences, People's Republic of China

Faculty of Electrical Engineering and Computer Science, Ningbo University,

**Kuan Chee**

Ningbo, People's Republic of China

design and technology, as well as the wide gamut of related applications.

Chapter 9 **Avalanche Photodiode Focal Plane Arrays and Their Application to Laser Detection and Ranging 145** Hai-Zhi Song

## Preface

Chapter 7 **Overcoming the Bandwidth-Quantum Efficiency Trade-Off in**

Chapter 8 **Linear CCD-Based Spectrometry Using Either an ASIC or FPGA**

**Application to Laser Detection and Ranging 145**

**Conventional Photodetectors 115** Tianyi Zhou and Kuan W.A. Chee

Chapter 9 **Avalanche Photodiode Focal Plane Arrays and Their**

**Design Methodology 127**

Richard Ocaya

**VI** Contents

Hai-Zhi Song

This edited volume is a collection of reviewed and relevant research chapters covering stateof-the-art developments in research and technology within the field of photodetectors.

Contributions from scholars and experts are pertinent to photodetector device physics as well as technology and applications.

Followed by an introduction in the first section, section 2, "Materials and Devices," includes chapters on topics including: photoconductive interlocked molecules and macromolecules; ion-beam modified terahertz GaAs photoconductive antenna; energy bandgap engineering of transmission-mode AlGaAs/GaAs photocathode; and a-Si:H p-i-n photodiode as a biosensor.

Section 3, "Technology and Applications," includes chapters on topics including: single-pix‐ el imaging using photodiodes; overcoming the bandwidth-quantum efficiency tradeoff; and linear CCD based spectrometry using a FPGA-centered design methodology. This work will appeal to students and professionals interested in studying and dealing with photodetector design and technology, as well as the wide gamut of related applications.

#### **Kuan Chee**

University of Nottingham , Ningbo, People's Republic of China Laser Research Institute, Shandong Academy of Sciences, People's Republic of China Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo, People's Republic of China

**Section 1**

**Introduction**

**Section 1**
