… seamless integration with the existing fiber-optic backhaul networks … In this respect, InAs/InP
Quantum-dash (Qdash) … , optical tunable delay lines were used to match the group delay for …

… sphere power meter and a fiber-coupled power meter. … delay. When operated with a high
enough applied electric field, photogenerated carriers take less time to escape from the dashes …

… In this paper, we experimentally demonstrate an allfiber-based quantum … , and we find that
the delay can significantly degrade the … Dashed, thick dash-dotted, and thin dash-dotted lines …

… the quantum receiver through Bob’s CWDM coupler. (c) Bit error rate measured over a fiber
link … (d) Single-photon detection efficiencies as a function of gate delay of the gated detector …

… In the case where 8 channel DWDM transmission is performed, a tunable Delay … Figure
4(a) shows the optical spectrum at the output of the fiber with 32.5 GHz spaced DWDM channels, …

… are used to compensate the relative delay between Alice’s and … fiber setup. The secure key
rates are summarized in Fig. 3. … The red dashed curve is the simulation result with infinite size …

… The output light was focused into a fiber connected to an … output spectra taken for different
pump–probe delays, with … Output spectra taken for two different delays between pump and …

… bound of the confidence interval indicated by the dash. The protocol’s performance could …
propagation delay of the fiber channel and different electronic components. Then, the quantum …

… -polarization WDM signal into two paths, delaying one of them, and recombining the two
decorrelated signals on orthogonal polarizations of the transmission fiber. At the receiver, we …

… and random choice of many delays. By designing an optical … variable-delay interferometer
with 127 actively selectable delays. … Other delay gates of longer than 2 ns are obtained by fiber …