Architecture study demonstrates passive physical addressing without digital signal processing in superconducting quantum registers, indicating a pathway to eliminate cryostat computational heat.
This paper introduces an extension of the fundamental AxisAura coordinate-space paradigm into the domain of quantum information science. Modern quantum computing complexes utilizing superconducting qubits face a critical scalability barrier regarding their control electronics. The classical hardware-software pipeline for microwave pulse generation, which relies heavily on Digital Signal Processing (DSP) mathematics to dynamically control phase and amplitude characteristics, introduces a colossal thermal load inside the cryostat, triggering qubit decoherence. The proposed architecture completely eliminates DSP blocks from the control loop. Utilizing the formalized "3=4" Principle, a classical 24-bit task vector is isomorphically projected onto a microwave beam consisting of 4 orthogonal frequency components. Inside the cryostat, a passive superconducting filter bank performs de-multiplexing of the beam, executing passive physical addressing of the target quantum state within a multidimensional register in fixed O(1) time with zero computational heat dissipation near the quantum chip.
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Alexander Chepkasov (2026) studied this question.
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