The Internet of Things or IoT, which connects all things to the Internet, is becoming increasingly popular but cybersecurity threats are also growing more serious. Quantum technology will enable information communication with guaranteed security, and further ahead in the future the quantum IoT is expected to make our daily lives and socioeconomic activities even more convenient and advanced by constructing a quantum network infrastructure that communicates information between quantum computers and quantum sensors.
If quantum computers become practical, there is the risk that encrypted data used in conventional computers and communications might easily be decoded. Therefore, when communicating confidential information, it is essential to have a communication technology that can never be intercepted and decoded. Achieving a large-scale quantum computer will likely require connecting small-scale quantum computers in parallel to perform calculations. This means that technology will be needed to communicate between the computers while maintaining the quantum superposition state of the qubit information.
Even a single neutral atom or ion can take on a “superposition state” that combines multiple properties, which can be viewed as a so-called quantum bit or qubit. Attempts to achieve quantum computing and quantum simulation are actively underway by taking advantage of this property. In such applications, optical tweezers technology and electromagnetic fields are commonly used to trap (capture) atoms and ions, and high-sensitivity cameras are then used to observe the location of the trapped neutral atoms and ions. Furthermore, using an LCOS-SLM to apply holographic technique can generate microtrap arrays in various patterns to allow arraying the neutral atoms and ions in a desired configuration.
LCOS-SLM is capable of freely manipulating the phase of light as needed to precisely control the focused light state at multiple wavelengths, making it applicable to atomic trapping technology for neutral atomic array quantum computers. To control neutral atoms and ions using light, the phase noise must be as low as possible. Our LCOS-SLM has a low-phase-fluctuation mode and is ideal for quantum research as well.
In quantum computers, it is important to raise the number of optical trap points related to qubits in order to increase the computing speed. The higher the power of the laser being utilized, the more molecules can be trapped for longer periods of time. This means that LCOS-SLM used in the field of quantum computing to control the phase of light must also have high light resistance. Hamamatsu Photonics will contribute to advancing the field of quantum computing field by developing LCOS-SLM with even higher light resistant properties.
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