Small and scalable laser source for AR glasses by hybrid integration of silicon nitride PIC technology

Douwe Geuzebroek; Raimond Frentrop; Ronald Dekker; Edwin Klein; Floris Falke; Anne Leenstra

doi:10.1117/12.3001796

12 March 2024 Small and scalable laser source for AR glasses by hybrid integration of silicon nitride PIC technology

Douwe Geuzebroek, Raimond Frentrop, Ronald Dekker, Edwin Klein, Floris Falke, Anne Leenstra

Proceedings Volume 12913, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) V; 129130R (2024) https://doi.org/10.1117/12.3001796
Event: SPIE AR | VR | MR, 2024, San Francisco, California, United States

Abstract

A laser engine is demonstrated based on a silicon-nitride PIC. It uses a flip-chip assembly process for hybrid integration of the red, green and blue laser diodes, into etched recesses in the silicon nitride PIC and is based on passive alignment, meaning the laser is not tuned on during assembly. The TriPleX^® waveguide technology optimizes the ellipticity of the modes at the laser side from 1:3 to circular (1:1) at the output side. Output powers of >1mW are measured and depend on the laser diodes used. The described assembly approach facilitates wafer level laser diode integration and wafer level hermetic packaging for scalable volume manufacturing.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Douwe Geuzebroek, Raimond Frentrop, Ronald Dekker, Edwin Klein, Floris Falke, and Anne Leenstra "Small and scalable laser source for AR glasses by hybrid integration of silicon nitride PIC technology", Proc. SPIE 12913, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) V, 129130R (12 March 2024); https://doi.org/10.1117/12.3001796

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