By varying the number of qubits reset each step, this paper continuously interpolates between quantum reservoir computing and quantum extreme learning machines, finding that optimal performance depends on the task's memory demand.
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A window-only quantum model can replace a quantum reservoir exactly when the omitted past's influence on the chosen outputs decays uniformly, and a protected two-qubit memory defeats every fixed window over unbounded delays.
In a two-oscillator quantum reservoir, near the critical coupling J=|Δ|, information encoding switches from redundant to synergistic, with synergy aiding short-term and dissipation aiding longer-term memory.
A comprehensive survey of quantum reservoir computing that proposes a common system model, a memory-architecture taxonomy, and resource-accounting standards, concluding that no broad quantum advantage is currently demonstrated.
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From quantum reservoirs to quantum extreme learning machines through a nearest-neighbor spin chain with tunable quantum memory
By varying the number of qubits reset each step, this paper continuously interpolates between quantum reservoir computing and quantum extreme learning machines, finding that optimal performance depends on the task's memory demand.
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When Can Quantum Extreme Learning Machines Replace Quantum Reservoirs?
A window-only quantum model can replace a quantum reservoir exactly when the omitted past's influence on the chosen outputs decays uniformly, and a protected two-qubit memory defeats every fixed window over unbounded delays.
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Dissipation alters modes of information encoding in small quantum reservoirs near criticality
In a two-oscillator quantum reservoir, near the critical coupling J=|Δ|, information encoding switches from redundant to synergistic, with synergy aiding short-term and dissipation aiding longer-term memory.
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Quantum Reservoir Computing: Recent Advances and Future Directions
A comprehensive survey of quantum reservoir computing that proposes a common system model, a memory-architecture taxonomy, and resource-accounting standards, concluding that no broad quantum advantage is currently demonstrated.