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Chalcogenide Optomemristors for Multi-factor Neuromorphic Computation

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Journal Nat Commun
Specialty Biology
Date 2022 Apr 27
PMID 35474061
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Abstract

Neuromorphic hardware that emulates biological computations is a key driver of progress in AI. For example, memristive technologies, including chalcogenide-based in-memory computing concepts, have been employed to dramatically accelerate and increase the efficiency of basic neural operations. However, powerful mechanisms such as reinforcement learning and dendritic computation require more advanced device operations involving multiple interacting signals. Here we show that nano-scaled films of chalcogenide semiconductors can perform such multi-factor in-memory computation where their tunable electronic and optical properties are jointly exploited. We demonstrate that ultrathin photoactive cavities of Ge-doped Selenide can emulate synapses with three-factor neo-Hebbian plasticity and dendrites with shunting inhibition. We apply these properties to solve a maze game through on-device reinforcement learning, as well as to provide a single-neuron solution to linearly inseparable XOR implementation.

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References
1.
Ohno T, Hasegawa T, Tsuruoka T, Terabe K, Gimzewski J, Aono M . Short-term plasticity and long-term potentiation mimicked in single inorganic synapses. Nat Mater. 2011; 10(8):591-5. DOI: 10.1038/nmat3054. View

2.
Khulbe P, Hurst T, Horie M, Mansuripur M . Crystallization behavior of Ge-doped eutectic Sb70Te30 films in optical disks. Appl Opt. 2002; 41(29):6220-9. DOI: 10.1364/ao.41.006220. View

3.
Poirazi P, Brannon T, Mel B . Pyramidal neuron as two-layer neural network. Neuron. 2003; 37(6):989-99. DOI: 10.1016/s0896-6273(03)00149-1. View

4.
Diehl P, Cook M . Unsupervised learning of digit recognition using spike-timing-dependent plasticity. Front Comput Neurosci. 2016; 9:99. PMC: 4522567. DOI: 10.3389/fncom.2015.00099. View

5.
Silver D, Huang A, Maddison C, Guez A, Sifre L, Van Den Driessche G . Mastering the game of Go with deep neural networks and tree search. Nature. 2016; 529(7587):484-9. DOI: 10.1038/nature16961. View