In this episode of Photonics Hot List:
Conventional optical encryption systems that rely on commercial detectors to capture images are vulnerable. But now, researchers at the University of Hong Kong are developing technology that doubles as a decryption key.
Business news roundup: Light Conversion is strengthening its global position in the advanced ultrafast technology market with the acquisition of Class 5 Photonics. And in the finance realm, POET Technologies has announced new funding.
High energy usage remains a problem for AI systems. Researchers at the Penn State School of Electrical Engineering and Computer Science are now addressing the challenge with an energy-efficient optics alternative.