Recent Advances in Photonic Devices for Optical Super Computing

Abdeldayem, Hossin; Frazier, Donald O.; Witherow, William K.; Banks, Craig E.; Penn, Benjamin G.; Paley, Mark S.

doi:10.1007/978-3-540-85673-3_2

Cited by 10 publications

(4 citation statements)

References 75 publications

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“…Algorithm AC-I-1 1 The primary disadvantage of AC-I-1 is that the arcs on minimum cuts may not be raised as much as is possible in a usual I-partition MTFF algorithm. We now present another algorithm, AC-I-2, which rectifies this issue at the expense of having to compute flows at multiple levels within each interval.…”

Section: Algorithms Based On I-partitionsmentioning

confidence: 99%

State‐space partition techniques for multiterminal flows in stochastic networks

Daly¹,

Alexopoulos

2006

Networks

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This article develops state-space partition methods for computing performance measures for stochastic networks with demands between multiple pairs of nodes. The chief concern is the evaluation of the probability that there exist separate, noninteracting flows that satisfy all demands. This relates to the multiterminal maximum flow problem discussed in the classic article of Gomory and Hu. The network arcs are assumed to have independent, discrete random capacities. We refer to the probability that all demands can be satisfied as the network reliability (with the understanding that its definition is application dependent). In addition, we also consider the calculation of secondary measures, such as the probability that a particular subset of demands can be met, and the probability that a particular arc lies on a minimum cut. The evaluation of each of these probabilities is shown to be NP-hard. The proposed methods are based on an iterative partition of the system state space, with each iteration tightening the bounds on the measure of interest. This last property allows the design of increasingly efficient Monte Carlo sampling plans that yield substantially more precise estimators than the standard Monte Carlo method that draws samples from the original capacity distribution.

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Section: Algorithms Based On I-partitionsmentioning

confidence: 99%

State‐space partition techniques for multiterminal flows in stochastic networks

Daly¹,

Alexopoulos

2006

Networks

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“…Further, it has the advantages of low switching energy and low latency [2]. A computation that might take more than eleven years by the conventional electronic only one single hour [3].The use of the optical fibers as nonlinear elements in switching devices gives so high speed operation since the nonlinear response of the fiber is extremely fast and the Possibility of creating a rectangular switching by using a dispersive walk-off between the data and the control pulse but the nonlinear coefficient is usually very small in conventional fibers [4].In this paper the full logic is developed in MATLAB platform.…”

Section: Introductionmentioning

confidence: 99%

Design of an All Optical 3-Bit Modulo Eight Asynchronous Up Counter

Borgohain¹

2015

AJEA

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The paper presents an all-optical 3 bit up counter with complete Boolean functionality as a representative circuit for modeling and optimization of monolithically integrated components. Here, the proposed logic unit design is based on nonlinear effects in semiconductor optical amplifiers (SOA).These equations are first solved to generate the pump, probe and conjugate pulses in a SOA. The pulse behavior are analyzed and applied to realize behavior of all-optical NAND gate. Next, the logic is used to implement All-Optical D Flip-Flop logic, and its function is verified with the help of truth table. Finally with the help of three D Flip-Flops, a 3-bit up counter is proposed.

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“…Subwavelength nanophotonics applications exceedingly demand the ability to operate with single light quanta and guide light far beyond the classical diffraction limit [1][2][3][4][5][6][7][8][9]. In order to gain full control over the light in nanoscales, engineers must devise efficient ways to extract optical energy from emitters, effectively guide it, and couple to the absorbers.…”

Section: Introductionmentioning

confidence: 99%

Spontaneous emission of guided polaritons by quantum dot coupled to metallic nanowire: Beyond the dipole approximation

Rukhlenko¹,

Handapangoda²,

Premaratne³

et al. 2009

Opt. Express

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In this paper, we theoretically analyze the emission of guided polaritons accompanying spontaneous recombination in a semiconductor quantum dot coupled to metallic nanowire. This study is aimed to shed light on the interaction between optically excited quantum emitters and metallic nanowaveguides beyond the validity of dipole approximation. To the best of our knowledge, this is the first time the geometry of quantum emitter and spatial inhomogeneity of the electric field constituting the fundamental polariton mode are fully taken into account. Even though we performed the analysis for disk-like quantum dot, all the conclusions are quite general and remain valid for any emitter with nanometer dimensions. Particularly, we found that the strong inhomogeneity of the electric field near the nanowire surface results in a variety of dipole-forbidden transitions in the quantum dot energy s ctra. It was also unambiguously shown that there is a certain nanowire radius that gives maximum emission efficiency into the fundamental polariton mode. Since the dipole approximation breaks for nanowires with small radii and relatively big nanoemitters, the above features need to be considered in the engineering of plasmonic devices for nanophotonic networks.

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Recent Advances in Photonic Devices for Optical Super Computing

Cited by 10 publications

References 75 publications

State‐space partition techniques for multiterminal flows in stochastic networks

State‐space partition techniques for multiterminal flows in stochastic networks

Design of an All Optical 3-Bit Modulo Eight Asynchronous Up Counter

Spontaneous emission of guided polaritons by quantum dot coupled to metallic nanowire: Beyond the dipole approximation

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