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Diode lasersDiode laser, initially developed in the 1960s, have evolved into essential core devices in the field of modern optoelectronic technology through decades of continuous innovation and development. Starting from the initial homojunction structure, advancements have progressed through single heterojunction, double heterojunction, quantum well, quantum wire, and quantum dot structures. Furthermore, the incorporation of technologies such as Distributed Feedback (DFB), Distributed Bragg Reflection (DBR), Vertical-Cavity Surface-Emitting Laser (VCSEL), Photonic-Crystal Surface-Emitting Laser (PCSELPCSEL), and External-Cavity Diode LaserDiode laser (ECDL) has significantly enhanced the performance of diode lasers and expanded their applications in various fields. Currently, diode lasersDiode laser are widely used in precision spectroscopy, communication, data storage, medical, industrial processing, and other fields, especially for the field of quantum precision measurementQuantum Precision Measurement, diode lasersDiode laser have become the core devices of atomic clocks, quantum interferometers, atomic magnetometersAtomic magnetometer, and other scientific instruments. This chapter focuses on the development history and trends of diode lasers, especially the external cavity diode laserDiode laser.

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Introduction

  • 章节

  • 发表日期：

    2025年

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  • Jingbiao Chen,
  • Tiantian Shi,
  • Duo Pan,
  • Zheyi Ge,
  • Jia Zhang,
  • Zijie Liu,
  • Xiaomin Qin,
  • Yaqi Wang

摘要

Diode lasersDiode laser, initially developed in the 1960s, have evolved into essential core devices in the field of modern optoelectronic technology through decades of continuous innovation and development. Starting from the initial homojunction structure, advancements have progressed through single heterojunction, double heterojunction, quantum well, quantum wire, and quantum dot structures. Furthermore, the incorporation of technologies such as Distributed Feedback (DFB), Distributed Bragg Reflection (DBR), Vertical-Cavity Surface-Emitting Laser (VCSEL), Photonic-Crystal Surface-Emitting Laser (PCSELPCSEL), and External-Cavity Diode LaserDiode laser (ECDL) has significantly enhanced the performance of diode lasers and expanded their applications in various fields. Currently, diode lasersDiode laser are widely used in precision spectroscopy, communication, data storage, medical, industrial processing, and other fields, especially for the field of quantum precision measurementQuantum Precision Measurement, diode lasersDiode laser have become the core devices of atomic clocks, quantum interferometers, atomic magnetometersAtomic magnetometer, and other scientific instruments. This chapter focuses on the development history and trends of diode lasers, especially the external cavity diode laserDiode laser.