Vertical-Cavity Surface-Emitting Lasers (VCSEL)

A part of this report was introduced in the August 2021 issue of our periodical, “Yano E plus.”

– VCSEL, Whose Advanced Technology Has Long Been Acknowledged, Made a Breakout Success with the Adoption for Use in Smartphone Facial Recognition Systems that Many People Did Not Expect –

1. What are Vertical-Cavity Surface-Emitting Lasers (VCSEL)?

2. How VCSEL Developed

3. Features and Expected Applications

3-1. Communication

3-2. Sensing

1) Gesture Recognition

2) Face Recognition

3) Other Sensing Applications

3-3. Imaging

3-4. High Power Applications

3-5. Automotive Electronics

3-6. Medical Applications

4. Market Size Forecast

5. Companies and Universities’ Efforts for VSCEL and Surface Emitting Laser Technologies

5-1. Silvaco Japan Co., Ltd.

1) TCAD

2) Simulation Module for Surface Emitting Semiconductor Lasers “VCSEL™”

5-2. Tokyo Institute of Technology

1) Features of VCSEL

2) Structure of VCSEL

5-3. The University of Tokyo

1) Vacuum Ultraviolet Wavelength Conversion Using Dielectric Nanomembranes

2) Circularly Polarized Vacuum Ultraviolet Coherent Light Generation Using Dielectric Photonic Crystals

5-4. Meijo University

1) Concept of Multiple Quantum Shells (MQS)

2) Growth of GaN Nanowires

3) Growth of MQS and p-Type Shells and Luminescence Properties of MQS

5-5. Ricoh Company, Ltd.

1) Development of VCSEL for High-Speed Laser Printers

2) Expansion of Wavelength Ranges and Increase in Output Power for New Applications

5-6. ROHM Co., Ltd.

1) ROHM’s Efforts for Semiconductor Lasers

2) Changes in Drive Systems and Product Aims

3) Key Points of VCSEL Structure and Technology

4) High Output Achieved with 1 Package

5) Future Development

6. Future Prospects