Modular assembly of optical nanocircuits

Shi, Jianzhong; Monticone, Francesco; Elias, Sarah; Wu, Yanwen; Ratchford, Daniel; Li, Xiaoqin; Alù, Andrea

doi:10.1038/ncomms4896

Cited by 65 publications

(72 citation statements)

References 32 publications

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“…[40][41][42][43][44] The gap load and antenna arms each are modeled as impedance elements, and together, they form a closed parallel circuit (Figure 3a). The antenna arms are modeled as series LC elements and 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 7 possess an inductance α and capacitance β.…”

Section: Resultsmentioning

confidence: 99%

Electrochemically Programmable Plasmonic Antennas

2016

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Plasmonic antennas are building blocks in advanced nano-optical systems due to their ability to tailor optical response based on their geometry. We propose an electrochemical approach to program the optical properties of dipole antennas in a scalable, fast, and energy-efficient manner. These antennas comprise two arms, one serving as an anode and the other a cathode, separated by a solid electrolyte. As a voltage is applied between the antenna arms, a conductive filament either grows or dissolves within the electrolyte, modifying the antenna load. We probe the dynamics of stochastic filament formation and their effects on plasmonic mode programming using a combination of three-dimensional optical and electronic simulations. In particular, we identify device operation regimes in which the charge-transfer plasmon mode can be programmed to be "on" or "off." We also identify, unexpectedly, a strong correlation between DC filament resistance and charge-transfer plasmon mode frequency that is insensitive to the detailed filament morphology. We envision that the scalability of our electrochemical platform can generalize to large-area reconfigurable metamaterials and metasurfaces for on-chip and free-space applications.

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Section: Resultsmentioning

confidence: 99%

Electrochemically Programmable Plasmonic Antennas

2016

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“…The large carrier modulation could affect the magnetic properties of antiferromagnetic materials to achieve antiferromagnetic spintronic devices. In addition, ionic liquid gating can induce ionic migration in oxides, such as oxygen or hydrogen, [87,88] which could achieve ionic modulation of magnetic properties, particularly in oxides.…”

Section: Ionic Liquid Modulationmentioning

confidence: 99%

Electric‐Field‐Controlled Antiferromagnetic Spintronic Devices

et al. 2020

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In recent years, the field of antiferromagnetic spintronics has been substantially advanced. Electric‐field control is a promising approach for achieving ultralow power spintronic devices via suppressing Joule heating. Here, cutting‐edge research, including electric‐field modulation of antiferromagnetic spintronic devices using strain, ionic liquids, dielectric materials, and electrochemical ionic migration, is comprehensively reviewed. Various emergent topics such as the Néel spin–orbit torque, chiral spintronics, topological antiferromagnetic spintronics, anisotropic magnetoresistance, memory devices, 2D magnetism, and magneto‐ionic modulation with respect to antiferromagnets are examined. In conclusion, the possibility of realizing high‐quality room‐temperature antiferromagnetic tunnel junctions, antiferromagnetic spin logic devices, and artificial antiferromagnetic neurons is highlighted. It is expected that this work provides an appropriate and forward‐looking perspective that will promote the rapid development of this field.

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“…The correspondence between metal and dielectric particles and electronic components has been demonstrated using a scanning probe tip to assemble together different optical filter combinations [206]. That the optical resonances of metal nanoparticles can be altered in the presence of other metals or dielectrics is well known so it is not surprising that optical filters can be created in this way.…”

Section: Plasmonic Circuitsmentioning

confidence: 99%

Plasmonic circuits for manipulating optical information

2016

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Surface plasmons excited by light in metal structures provide a means for manipulating optical energy at the nanoscale. Plasmons are associated with the collective oscillations of conduction electrons in metals and play a role intermediate between photonics and electronics. As such, plasmonic devices have been created that mimic photonic waveguides as well as electrical circuits operating at optical frequencies. We review the plasmon technologies and circuits proposed, modeled, and demonstrated over the past decade that have potential applications in optical computing and optical information processing.

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Modular assembly of optical nanocircuits

Cited by 65 publications

References 32 publications

Electrochemically Programmable Plasmonic Antennas

Electrochemically Programmable Plasmonic Antennas

Electric‐Field‐Controlled Antiferromagnetic Spintronic Devices

Plasmonic circuits for manipulating optical information

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