Quantum computing is a highly anticipated technology that is still very new in adoption. As with any new piece of technology, several challenges need to be addressed before we start seeing it used in everyday life. One of the problems with quantum computing is a long-term shortage, sometimes referred to as Quantum information storage. Currently, many people are working to figure out how they can store quantum information in the long term and this may be a big hurdle in having mass adoption of this technology.
Quantum memory is one of the basic building blocks of quantum computing and one of the issues that is being investigated is whether or not there can be long-term quantum information storage. According to phys.org “Currently, it is almost impossible to store quantum information for more than a fraction of a second. If the information carriers of the quantum memory are disturbed by an incident photon from outside, for instance, the information is irrevocably changed. Such interference can also influence classical information. However, classical memories, such as a hard disk, have a kind of ‘self-protective mechanism: as every data bit is stored on thousands of tiny magnets that have a magnetic field, an individual magnet that has accidentally been aligned wrongly through interference is automatically turned back in the direction defined by the magnetic field. The data bit is copied into little magnets a thousandfold, which stabilize each other.”
Simply put, classical methods of storing information such as hard drives are the only reliable form of information storage that we have at this time. This is yet another big challenge that quantum computers face, if they are unable to store their memory for more than a fraction of a second they will not be very useful in most day-to-day operations. If this problem can’t be solved then this could be one of the things that kill this technology's mass adoption. When you combine that with the fact they still don’t have an effective means to mitigate the fact that quantum computers are much more prone to error than traditional computers, it doesn’t look good. Despite this many companies such as Google, IBM, and Microsoft to name a few, so there’s still a chance that these issues will be addressed in the future.
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