I’m a simple person. To me, a computer consists of three
parts: data that goes in and out, operations that modify the data,
and storage that holds the data. It is no different for quantum
computing, though all three parts of the solution are still
undefined: no one is exactly sure of what medium is best to
represent and transport data.
Different ways to
encode operations are being
We’re probably the furthest from having a solution when it comes
to memory. But a new laser-hammer
approach to storing qubits might be a step forward.
Screwdrivers for atomic physicists
In a quantum network, quantum information (or qubits) will be
using light—single photons of light hold a qubit. But that
means you also need a way to store photons, which are famous for
moving very fast. One option is to store the qubit in the quantum
state of a very cold gas; this works, provided you can emit the
qubit as a photon later on.
Source: FS – All – Science – News
Rough and ready quantum memory may link disparate quantum systems