Project supported by the National Natural Science Foundation of China(Grant No.61605248);the National Basic Research Program of China(Grant No.2013CB338002)。
High detection efficiency and low intrinsic dark count rate are two advantages of superconducting nanowire single photon detectors(SNSPDs).However,the stray photons penetrated into the fiber would cause the extrinsic ...
Project supported by the National Basic Research Program of China(Grant No.2013CB338002);the National Natural Science Foundation of China(Grant Nos.61505261,61675235,61605248,and 11304397)。
Reference frame independent quantum key distribution(RFI-QKD) allows two legitimate parties to share the common secret keys with the drift of reference frames. In order to reduce the actual requirements of RFI-QKD pro...
Project supported by the National Natural Science Foundation of China(Grant Nos.11504430 and 61502526);the National Basic Research Program of China(Grant No.2013CB338002)
For the unsorted database quantum search with the unknown fraction λ of target items, there are mainly two kinds of methods, i.e., fixed-point and trail-and-error.(i) In terms of the fixed-point method, Yoder et al. ...
Project supported by the National Basic Research Program of China(Grant No.2013CB338002);the National Natural Science Foundation of China(Grant No.61502526)
To overcome the difficulty of realizing large-scale quantum Fourier transform(QFT) within existing technology, this paper implements a resource-saving method(named t-bit semiclassical QFT over Z_(2~n)), which could re...
Project supported by the National Basic Research Program of China(Grant No.2013CB338002)
To solve the problems of updating sub-secrets or secrets as well as adding or deleting agents in the quantum secret sharing protocol, we propose a two-particle transform of Bell states, and consequently present a nove...
supported by the National Basic Research Program of China (Grant No. 2013CB338002);the National Natural Science Foundation of China (Grant Nos. 11504430, and 61502526)
Quantum algorithms can be used to efficiently solve certain classically intractable problems by exploiting quantum parallelism.However, the effectiveness of quantum entanglement in quantum computing remains a question...
Project supported by the National Basic Research Program of China(Grant No.2013CB338002);the National Natural Science Foundation of China(Grant Nos.11504430 and 61502526)
We apply the transitionless driving on the local adiabatic quantum search algorithm to speed up the adiabatic process. By studying quantum dynamics of the adiabatic search algorithm with the equivalent two-level syste...
supported by the National Basic Research Program of China(No.2013CB338002);the National Natural Science Foundation of China(No.61272476,No.61232009,No.61202420)
Feistel-PG structure is a new specific Generalized Feistel structure(GFS) adopted in DBlock and LHash. Its main feature is adding a sbox-size permutation before the round function. Different choices of the permutation...
Project supported by the National Basic Research Program of China(Grant No.2013CB338002);the National Natural Science Foundation of China(Grants Nos.11304397 and 61505261)
Compared with full device-independent quantum key distribution(DI-QKD), one-side device-independent QKD(1s DI-QKD) needs fewer requirements, which is much easier to meet. In this paper, by applying recently develo...