Quantum Computing, Quantum Computer, Photonics, Qubit, Quantum.
probability. There are 4 different ways 2 photons might travel through a beam splitter, each equally likely to occur (each with 25% probability) Case 1: Input 1 and input 2 were both reflected and came out the outputs 1 and 2 respectively. Case 2: Input 1 was reflected and input 2 was transmitted