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Zone-addressable 20 × 20 940 nm VCSEL array with a 5-bit binary number pattern.

Hao-Tien Cheng, Jian-Syun Pan, Wei-Hao Lin

|August 1, 2023

Summary

This summary is machine-generated.

This study introduces a novel 20x20 vertical-cavity surface-emitting laser (VCSEL) array with a binary pattern design for enhanced sensing applications. The zone-addressable array efficiently aids pattern-matching algorithms for shape and depth determination.

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Area of Science:

Optoelectronics
Laser Technology
Sensing Systems

Background:

Vertical-cavity surface-emitting lasers (VCSELs) are crucial for various applications.
Efficient pattern recognition is vital for advanced sensing and imaging.
Monolithic integration of laser arrays simplifies system design.

Purpose of the Study:

To present a monolithically zone-addressable 20x20 940 nm VCSEL array.
To implement a binary number pattern design for improved sensing capabilities.
To enable efficient shape and depth information deduction using pattern-matching algorithms.

Main Methods:

Fabrication of a monolithic 20x20 VCSEL array.
Design of emitters with a unique binary pattern in each row (5-bit pattern).
Individual addressing of four light-emitting zones, each containing approximately 50 emitters.

Main Results:

The VCSEL array features a zone-addressable monolithic design.
Each row incorporates a 5-bit binary pattern to facilitate pattern-matching algorithms.
Approximately 200 VCSELs are organized into four individually addressable zones.
Each zone achieves a peak output power of up to 7.2 W.

Conclusions:

The developed VCSEL array with binary pattern design is suitable for sensing applications.
The unique emitter pattern enhances the efficiency of shape and depth sensing.
The zone-addressable architecture allows for controlled and powerful laser output.