Photonic arbitrary linear transformations in the frequency synthetic dimension
Siddharth Buddhiraju, Avik Dutt, Momchil Minkov, Ian A. D. Williamson, Shanhui Fan · Conference on Lasers and Electro-Optics · 2021
Arbitrary linear transformations are central to photonic quantum information processing and machine learning. We present a photonic architecture of time-modulated micro-ring resonators with tunable couplings between frequency modes to achieve arbitrary frequency-dimension linear transformations.