Unilaterally coupled synchronization of spatiotemporal chaos

Zhang, Xu; Ke, Shen

doi:10.7498/aps.51.2702

Cited by 25 publications

(26 citation statements)

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“…Now, the equality sign in expression (9) holds. Thus, when a vacuum decoy state (x 3 = 0) is used we can estimate Y 0 accurately from expression (9). Moreover, the second inequality in expression ( 10) is tight.…”

Section: One Vacuum and Two Weak Decoy Statesmentioning

confidence: 94%

“…where Y L 0 is defined in expression (9). Here, to prove the first inequality in expression (10), we have made use of the inequality, a i − b i ≤ a 2 − b 2 when 0 < a + b < 1 and i ≥ 2.…”

Section: Three Weak Decoy Statesmentioning

confidence: 99%

“…[6] Recently, two important schemes have been pre-sented to counter the PNS attack. One is the non-orthogonal encoding protocol SARG04 proposed by Scarani et al [7] Compared with the two nonorthogonal encoding protocols, [8,9] the SARG04 protocol uses four exactly identical states of BB84 protocol, [10] but modifies the classical communication between Alice and Bob. Instead of revealing the basis, Alice announces publicly a pair of non-orthogonal states.…”

Section: Introductionmentioning

confidence: 99%

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Practical non-orthogonal decoy state quantum key distribution with heralded single photon source

et al. 2008

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Recently the performance of the quantum key distribution (QKD) is substantially improved by the decoy state method and the non-orthogonal encoding protocol, separately. In this paper, a practical non-orthogonal decoy state protocol with a heralded single photon source (HSPS) for QKD is presented. The protocol is based on 4 states with different intensities, i.e. one signal state and three decoy states. The signal state is for generating keys; the decoy states are for detecting the eavesdropping and estimating the fraction of single-photon and two-photon pulses. We have discussed three cases of this protocol, i.e. the general case, the optimal case and the special case. Moreover, the final key rate over transmission distance is simulated. For the low dark count of the HSPS and the utilization of the two-photon pulses, our protocol has a higher key rate and a longer transmission distance than any other decoy state protocol.

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Section: One Vacuum and Two Weak Decoy Statesmentioning

confidence: 94%

Section: Three Weak Decoy Statesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Practical non-orthogonal decoy state quantum key distribution with heralded single photon source

et al. 2008

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“…So the thermal stress resulting from CTE mismatch is calculated below. The stress that the "weak" bonds experience in the annealing process and cooling process can be expressed as [17]…”

Section: Detection Of Micro-defects and "Weak" Bondsmentioning

confidence: 99%

Detection and formation mechanism of micro-defects in ultrafine pitch Cu—Cu direct bonding

et al. 2016

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In this paper, Cu-Cu interconnects with ultrafine pad pitches of 6 µm, 8 µm, and 15 µm are implemented on the 12 inch wafers by a direct bonding process. Defects are not found by traditional non-destructive (NDT) c-mode scanning acoustic microscopy (c-SAM). However, cross sectional observation of bonding interfaces reveals that micro-defects such as micro seams are located at SiO 2 bonding interfaces. In order to examine the micro-defects in the ultra-fine pitch direct bonding process by the NDT technology, a novel "defect-enlarged approach" is proposed. The bonded dies are first annealed in an N 2 oven at 300 • C for a few hours and then cooled quickly in air. The c-SAM scanning images show large defects at the place where nothing can be detected by c-SAM before this treatment. Cross sectional observation of the bonding interfaces indicates that these defects consist of large size micro seams at the SiO 2 bonding interface, especially near Cu pads with an ultrafine pitch of 6 µm. However, these large defects disappear after several hours at room temperature, observed by c-SAM. It is inferred that the disappearance of these defects inspected by the "defect-enlarged approach" results from the combination of intrinsic micro seams and "weak" bonds in the silicon oxide layer. Then the underlying physical mechanism of these micro-defects is proposed, which is influenced by Cu pad surface topology and bonding models.

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“…This problem has been of great interest in recent years. [1,3,5,6] Consequently, signal processing is always reduced to a problem of estimating the dynamical information of CMLs. If the map function of CMLs is known, the problem of signal estimation is equivalent to estimating the initial condition of the CML system in principle.…”

Section: Introductionmentioning

confidence: 99%

A method of estimating initial conditions of coupled map lattices based on time-varying symbolic dynamics

2009

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Unilaterally coupled synchronization of spatiotemporal chaos

Cited by 25 publications

References 0 publications

Practical non-orthogonal decoy state quantum key distribution with heralded single photon source

Practical non-orthogonal decoy state quantum key distribution with heralded single photon source

Detection and formation mechanism of micro-defects in ultrafine pitch Cu—Cu direct bonding

A method of estimating initial conditions of coupled map lattices based on time-varying symbolic dynamics

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