SpinQ Gemini: a desktop quantum computing platform for education and research

Abstract

SpinQ Gemini is a commercial desktop quantum computing platform designed and manufactured by SpinQ Technology. It is an integrated hardware-software system. The first generation product with two qubits was launched in January 2020. The hardware is based on NMR spectrometer, with permanent magnets providing ∼1 T magnetic field. SpinQ Gemini operates under room temperature (0–30°C), highlighting its lightweight (55 kg with a volume of $70\times 40 \times 80\text{ cm}^{3}$ 70 × 40 × 80 cm 3 ), cost-effective (under 50k USD), and maintenance-free. SpinQ Gemini aims to provide real-device experience for quantum computing education for K-12 and at the college level. It also features quantum control design capabilities that benefit the researchers studying quantum control and quantum noise. Since its first launch, SpinQ Gemini has been shipped to institutions in Canada, Taiwan and Mainland China. This paper introduces the system of design of SpinQ Gemini, from hardware to software. We also demonstrate examples for performing quantum computing tasks on SpinQ Gemini, including one task for a variational quantum eigensolver of a two-qubit Heisenberg model. The next generations of SpinQ quantum computing devices will adopt models of more qubits, advanced control functions for researchers with comparable cost, as well as simplified models for much lower cost (under 5k USD) for K-12 education. We believe that low-cost portable quantum computing products will facilitate hands-on experience for teaching quantum computing at all levels, well-prepare younger generations of students and researchers for the future of quantum technologies.

Quantum-Inspired Solvers on Mixed-Integer Linear Programming Problem

“…General quantum computers, such as superconducting computer and optical computer, survives on a harsh physical environment which is available only in the laboratory now, while NMR computers can run fine at room temperature. The prototype of desktop quantum computer has been realized by SpinQ, though with a size no more than 3-bits [55,56]. Obviously, it still needs more efforts to be used in practical applications.…”

SpinQ Triangulum: a commercial three-qubit desktop quantum computer

“…The modules that Triangulum inherits from Gemini realize most of the same functions [3]. The master board includes an FPGA, an analog-digital converter (ADC) and a digital-analog converter (DAC), which altogether realize the algorithms required for pulse generation, signal processing, etc.…”

“…SpinQ Triangulum is the second generation product of SpinQ's commercial desktop quantum computing platform series [1][2][3]. Similar to the first generation product, the twoqubit SpinQ Gemini, Triangulum is based on nuclear magnetic resonance (NMR) system, which was among the very first systems developed for quantum computing and has developed many advanced quantum control techniques .…”

“…Compared with Gemini, Triangulum accommodates a threequbit QPU. The weight and size are further reduced to 40 kg and 61 × 33 × 56 cm 3 . Fig.…”

The Quantum-House Effect: Filling the Gap Between Classicality and Quantum Discord

“…1 The paper is organized as follows. Sections 2 and 4 present theoretical results, while in Section 3 a demonstration of the quantum-house effect is given using SpinQ Gemini, a 2-qubit liquidstate nuclear magnetic resonance (NMR) desktop quantum computer [10], shown in Fig. 1.…”