Using Sound Waves to Store Information
To understand how an acoustic wave can save details, imagine an exceptionally echoey space. Now, lets say you need to keep in mind your grocery list for the afternoon, so you open the door to that room and shout, “Eggs, bacon, and milk!” and shut the door. An hour later on, when its time to go to the grocery store, you open the door, poke your head inside, and hear your own voice still echoing, “Eggs, bacon, and milk!” You simply used sound waves to save information.
Mohammad Mirhosseini. Credit: Caltech
When an electric charge is put on those plates, they become able to communicate with electrical signals carrying quantum information. This permits that information to be piped into the device for storage, and be piped out for later usage– not unlike the door to the space you were yelling into earlier in this story.
Previous Research and New Developments
According to Mohammad Mirhosseini, previous studies had examined an unique type of materials understood as piezoelectrics as a way of converting power to electrical energy in quantum applications.
” These materials, however, tend to cause energy loss for sound and electrical waves, and loss is a big killer in the quantum world,” Mirhosseini says. On the other hand, the brand-new technique established by Mirhosseini and his team is independent on the homes of particular materials, making it compatible with established quantum gadgets, which are based on microwaves.
Conclusion: Challenges and developments
Developing reliable storage gadgets with small footprints has been another useful difficulty for scientists working on quantum applications, says Alkim Bozkurt, a college student in Mirhosseinis group and the lead author of the paper.
” However, our method allows the storage of quantum info from electrical circuits for durations two orders of magnitude longer than other compact mechanical devices,” he includes.
Reference: “A quantum electromechanical interface for long-lived phonons” by Alkim Bozkurt, Han Zhao, Chaitali Joshi, Henry G. LeDuc, Peter K. Day and Mohammad Mirhosseini, 22 June 2023, Nature Physics.DOI: 10.1038/ s41567-023-02080-w.
Co-authors include Chaitali Joshi and Han Zhao, both postdoctoral scholars in electrical engineering and used physics; and Peter Day and Henry LeDuc, who are scientists at the Jet Propulsion Laboratory, which Caltech handles for NASA. The research was funded in part by the KNI-Wheatley Scholars program.
In a breakthrough in quantum information storage, researchers have actually established a technique to translate electrical quantum states into sound and vice versa, making use of phonons.
Quantum computing, much like standard computing, needs a method to store the information it processes and uses. In the computer youre utilizing right now, info– whether it be pictures of your pet dog, a suggestion about a buddys birthday, or the words youre typing into your web browsers address bar– must be kept somewhere. Quantum computing, a relatively new field, is still checking out where and how to store quantum information.
Ingenious Method for Quantum Information Storage
In a paper released just recently in the journal Nature Physics, Mohammad Mirhosseini, assistant teacher of electrical engineering and applied physics at the California Institute of Technology (Caltech), shows a new technique his laboratory developed for effectively translating electrical quantum states into noise and vice versa. This kind of translation might permit for storing quantum information prepared by future quantum computers, which are likely to be made from electrical circuits.
Mohammad Mirhosseini and his group have presented an innovative technique to store quantum information by translating electrical quantum states into noise. It enables longer storage periods and represents a significant improvement in the field of quantum computing.
This approach makes usage of what are called phonons, the sound equivalent of a light particle called a photon. (Remember that in quantum mechanics, all waves are particles and vice versa). Because its fairly simple to build small devices that can keep these mechanical waves, the experiment examines phonons for saving quantum info.
Quantum computing, just like conventional computing, needs a method to save the info it utilizes and processes. Quantum computing, a reasonably brand-new field, is still exploring where and how to keep quantum information.
Mohammad Mirhosseini and his group have actually presented an innovative technique to shop quantum details by translating electrical quantum states into sound. The experiment investigates phonons for keeping quantum information due to the fact that its reasonably simple to construct small gadgets that can store these mechanical waves.
When an electric charge is placed on those plates, they become able to interact with electrical signals carrying quantum details.