query: What degrees of freedom (other than polarization) of a photon can be used to store quantum information?
positive_passages.docid: 22538
positive_passages.text: Types of photon qubit encoding
negative_passages.docid: 2613
negative_passages.text: Difference between spin and polarization of a photon
negative_passages.docid: 26806
negative_passages.text: Virtual photons, what makes them virtual?
negative_passages.docid: 139993
negative_passages.text: Quantum systems without a classical analogue?
negative_passages.docid: 77731
negative_passages.text: 'size' of a photon
negative_passages.docid: 29931
negative_passages.text: Double Slit experiment with just one photon or electron
negative_passages.docid: 11366
negative_passages.text: How can infinite information be theoretically encoded or stored in a single qubit?
negative_passages.docid: 147491
negative_passages.text: When is separating the total wavefunction into a space part and a spin part possible?
negative_passages.docid: 55691
negative_passages.text: Are states of a quantum system represented by vectors in a Hilbert space?
negative_passages.docid: 126865
negative_passages.text: How can we know if a pair of particles are entangled?
negative_passages.docid: 58775
negative_passages.text: What exactly does the *frequency* of a photon mean?
negative_passages.docid: 6354
negative_passages.text: Quantum teleportation - the alternative to destroying atoms
negative_passages.docid: 10856
negative_passages.text: Differences between pure/mixed/entangled/separable/superposed states
negative_passages.docid: 109206
negative_passages.text: Why can't we use entanglement to defy Heisenberg's Uncertainty Principle?
negative_passages.docid: 37209
negative_passages.text: Quantum information references
negative_passages.docid: 66618
negative_passages.text: Quantum spin in a rotating reference frame
negative_passages.docid: 46450
negative_passages.text: Physical meaning of quantum operators