Analog photonic solutions offer unique opportunities to address complex computational tasks with unprecedented performance in terms of energy dissipation and speeds, overcoming current limitations of modern computing architectures based on electron flows and digital approaches.
In a new study published on August 26, 2021, in the journal Nature Communications Physics, researchers led by Volker Sorger, an associate professor of electrical and computer engineering at the George Washington University, reveal a new nanophotonic analog processor capable of solving partial differential equations. This nanophotonic processor can be integrated at chip-scale, processing arbitrary inputs at the speed of light.
The research team also included researchers at the University of California, Los Angeles, and City College of New York.
Reference: “Approximate analog computing with metatronic circuits” by Mario Miscuglio, Yaliang Gui, Xiaoxuan Ma, Zhizhen Ma, Shuai Sun, Tarek El Ghazawi, Tatsuo Itoh, Andrea Alù and Volker J. Sorger, 26 August 2021, Communications Physics.
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