Holevo Bound
In classical communication, if you send a message—say a letter or a digital bit—the receiver gets the full message. If you send 1 bit, the receiver gets 1 bit of….
Tag: quantum limits
Quantum Channel Capacities
Quantum channels form the backbone of quantum communication. Whether it’s distributing entanglement, transmitting qubits, or sending classical information securely, the capacity of a quantum channel tells us how much information….