Breakthrough Non-Reciprocal Optical Memory: Nanosecond Write Speeds, Billions of Cycles Without Degradation

Researchers have developed a novel non-reciprocal optical memory that achieves ultra-fast nanosecond write speeds using magneto-optic and thermo-optic effects. The memory is based on a microring resonator (MRR) with an integrated electromagnet, controlling current to alter the magnetic field and thus modulate light transmission. Experiments show clear eye diagrams at 500 Mbps and 1 Gbps, and stable operation after 2.4 billion write/erase cycles, demonstrating exceptional reliability and endurance. This breakthrough promises to revolutionize high-performance optical memory, offering new possibilities for future high-density, low-power information processing systems.