{|border="0" cellpadding="5" cellspacing="0" | | |- | colspan=2|21. Protocols |- | | |- |21.10.+a |Quantum authentication / identification |- |21.20.-s |Quantum secret sharing / data hiding |- |21.20.Kl |Quantum key distillation |- |21.20.Kd |Quantum key distribution |- |21.20.Rp |Remote state preparation |- |21.20.Rc |Quantum remote control |- |21.20.Sc |Quantum bit-string commitment |- |21.30.+c |Quantum coding |- |21.40.+d |Quantum data compression |- |21.50.+t |Teleportation |- |21.60.+e |Entanglement based protocols |- |21.70.+q |Qudits |- |21.80.+c |Quantum cloning |- | | |- | colspan=2|22. Information security beyond quantum cryptography |- | | |- |22.10.+k |High key rates |- |22.20.+d |Continuous variables |- |22.30.+c |Quantum codes |- |22.40.+p |Privacy Amplification |- |22.50.+t |Teleportation as a cryptographical primitive |- |22.60.+e |Eavesdropping detection |- |22.65.+a |Eavesdropping attacks / strategies |- |22.70.+s |Security proofs |- |22.80.+p |Plug and play systems |- |22.90.+d |Distrustful cryptography |- | | |- | colspan=2|23. Long-distance quantum communication |- | | |- |23.05.+f |Fiber-based quantum communication |- |23.10.+l |Limits for shared entanglement |- |23.20.+f |Free-space entanglement |- |23.25.+c |Free-space quantum communication |- |23.30.+o |Outer-space quantum communication |- |23.40.+a |Adaptive optics |- |23.50.+s |Feasibility studies for satellite based quantum communication |- |23.60.+d |Study of decoherence |- |23.70.+s |Space qualified technologies |- | | |- | colspan=2|24. Sources |- | | |- |24.10.-s |Single photons |- |24.10.Od |Single photons on demand |- |24.10.Tw |Single photons at telecom wavelength |- |24.20.-e |Entangled photons |- |24.20.Od |Entangled photons on demand |- |24.20.Tw |Entangled photons at telecom wavelength |- |24.30.+s |Squeezed state sources |- |24.40.+h |High efficiency sources |- |24.50.+m |Multiphoton sources |- |24.60.-s |Generation of specific states of radiation |- |24.60.Sc |Superposition of coherent states |- |24.60.Hb |Helical beams |- |24.70.+c |Color centers / quantum dots |- | | |- | colspan=2|25. Detectors |- | | |- |25.10.+e |Quantum efficiency of detection |- |25.20.+n |Number resolution |- |25.30.+c |Clock synchronization |- |25.40.+t |Automated state and process tomography |- |25.50.+m |Miniaturization |- |25.60.-a |Quantum state analyzers |- |25.60.Ba |Bell-state analyzer |- |25.60.Ga |GHZ-state analyzer |- |- |}

Category: ERA Quantiki Project