Diamond Quantum Computer
CIQTEK Diamond Quantum Computer for Education is a teaching instrument based on the diamond's spin magnetic resonance of the nitrogen-vacancy (NV) center. By controlling basic physical quantities such as optics, electricity, and magnetism, it implements quantum manipulation and readout of NV center spins, which enables the demonstration of basic concepts of quantum computing, such as qubits, quantum gates, and quantum algorithms.
The instrument works at room temperature (no need for a cryogenic environment), making the operating cost almost zero. The desktop design makes it easy to adapt to classrooms, laboratories, and other settings for conducting quantum mechanics and quantum computing experimental courses.
Diamond Quantum Computer for Education consists of the microwave module, optical module, power module, control and acquisition module. The rich hardware enables the instrument to support a variety of basic experiments related to quantum computing, as well as the development of additional teaching contents such as the quantum precise measurement and optically detected magnetic resonance (ODMR).
Diamond Quantum Computer Specifications
Parameters: Values
Qubit: Nitrogen-vacancy center (NV-center) in diamond
Laser Power:10 mW
Magnetic Field: 30±20 Gauss
Microwave Channels: 2
Time Accuracy: 2 ns
Pulse Generator Channels: 8
Instrument Principles
Qubit
The NV color center is composed of a substituted nitrogen (Nitrogen) and an adjacent vacancy (Vacancy), which is a paramagnetic defect center.
Initial State Preparation
Three energy levels system，|ms = 0 〉,
|ms = +1 〉and |ms = -1 〉can be regarded as qubits
Basic Principle
Quantum Manipulation
By applying and controlling lasers, microwaves, and magnetic fields, the NV color center spin state is fluorescently detected, quantum manipulation and readout are realized, and the basic functions of quantum computing.
System Structure
Instrument Structure
Experiments
A range of experiments supported include:
Instrument Calibration
Set up and adjust the instrument, get familiar with the principle of optically detected magnetic resonance, nitrogen-vacancy (NV) center in diamonds, microwave generation, and pulse control.
Continuous Wave
Measure optically detected magnetic resonance spectra of NV centers, determine microwave resonance frequencies, and understand quantum bits.
Rabi Oscillation
Measurement of Rabi oscillations in NV color centers driven by microwaves and determine the microwave pulse corresponding to a quantum logic gate.
Spin Echo
Spin echo is an effective technique used to suppress the coupling between the qubit and the environment, so as to prolong the coherence time.
T2 Measurement
T2 experiment shows the evolution of the quantum superposition state and measures the decoherence time of NV center spin.
Dynamical Decoupling
The decoherence time is extended by designing the dynamical decoupling sequence to average out the coupling between the qubit and the environment.
D.J. Algorithm
A Deutsch-Jozsa quantum algorithm is realized on the NV center quantum processor.
Contact us on Freephone 0800 724 633 or info@scienze.nz for more detailed information on available experiments.
Curriculums
A range of curriculums are available including:
Lecture Videos
Course Handouts
Lecture Slides
Demonstration and Training
For more information on this unique quantum computing teaching hardware contact us on
Freephone 0800 724 633 or email info@scienze.nz
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