03.67.-a Quantum information
03.67.Dd Quantum cryptography
03.67.Hk Quantum communication
03.67.Lx Quantum computation
03.65.-w Quantum mechanics (see also 03.67.-a Quantum information; 05.30.-d Quantum statistical mechanics)
03.65.-w Quantum mechanics (see also 03.67.-a Quantum information; 05.30.-d Quantum statistical mechanics)
42.50.Dv Nonclassical states of the electromagnetic field, including entangled photon states; quantum state engineering and measurements (see also 03.65.Ud Entanglement and quantum nonlocality, e.g. EPR paradox, Bell's inequalities, GHZ states, etc.)
89.70.+c Information theory and communication theory (for telecommunications, see 84.40.Ua; for optical communications, see 42.79.Sz)