From electrons to photons. From photons to electrons…

The quantum computer of the future will be able to carry out computations far beyond the capacity of today’s computers. Quantum superpositions and entanglement of quantum bits (qubits) make it possible to perform parallel computations.

Making useful computations requires large numbers of qubits and it is this upscaling to large numbers that is providing a challenge worldwide. “To use a lot of qubits at the same time, they need to be connected to each other; there needs to be good communication”, explains researcher Nodar Samkharadze. At present the electrons that are captured as qubits in silicon can only make direct contact with their immediate neighbors. That makes it tricky to scale up to large numbers of qubits.

Some quantum systems use photons for long-distance interactions. Delft scientists have shown that a single electron spin and a single photon can be coupled on a silicon chip. This coupling makes it possible in principle to transfer quantum information between a spin and a photon. This is important to connect distant quantum bits on a silicon chip, thereby paving the way to upscaling quantum bits on silicon chips. (1)

Once the cosmos just was. In the beginning there was darkness.

And then came light. Making things visible. Splitting the cosmos into multiple pieces. A cosmos seemingly full of antinomies. And yet still solid and consistent as that first dark night…

Now we transfer the cosmos back into the light. A light which will interfere with itself. Only to show that the zillions of possibilities exist at the same time.

Some time ago, the cosmos was born into light.

But the light will fade away.

One electron at a time…

The pieces are going to disappear.

One interaction at a time…

The universe is going to die.

And only then, will we see that it was never born…

Author: skakos

Spiros Kakos is a thinker located in Greece. He has been Chief Editor of Harmonia Philosophica since its inception. In the past he has worked as a senior technical advisor for many years. In his free time he develops software solutions and contributes to the open source community. He has also worked as a phD researcher in the Advanced Materials sector related to the PCB industry. He likes reading and writting, not only philosophy but also in general. He believes that science and religion are two sides of the same coin and is profoundly interested in Religion and Science philosophy. His philosophical work is mainly concentrated on an effort to free thinking of "logic" and reconcile all philosophical opinions under the umbrella of the "One" that Parmenides - one of the first thinkers - visualized. The "Harmonia Philosophica" articles program is the tool that will accomplish that. Life's purpose is to be defeated by greater things. And the most important things in life are illogical. We must fight the dogmatic belief in "logic" if we are to stay humans... Credo quia absurdum!

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