MIT Creates Lasers That Whisper in Your Ear - ExtremeTech
James Bruton's Laser Sound Equalizer - Hackster.io
Laser Microphone
Applied Sciences | Free Full-Text | AlGaInAs Multi-Quantum Well Lasers on Silicon-on-Insulator Photonic Integrated Circuits Based on InP-Seed-Bonding and Epitaxial Regrowth | HTML