Picosecond all-optical switching and dark pulse generation in a fibre-optic network using a plasmonic metamaterial absorber

Xomalis, Angelos; Demirtzioglou, Iosif; Jung, Yongmin; Plum, Eric; Lacava, Cosimo; Petropoulos, P.; Richardson, David J.; Zheludev, Nikolay I.

doi:10.1063/1.5040829

Cited by 17 publications

(13 citation statements)

References 29 publications

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“…We note that these values include the inner losses in the metamaterial package due to fibre-to-fibre coupling, and actual transmission and reflection of the metamaterial is higher. Similar structures 4,17 reveal that the performance of the metamaterial is broadband without significant changes around the wavelength of interest.…”

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confidence: 77%

Coherent perfect absorption of single photons in a fiber network

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Guo

Xomalis

et al. 2019

Applied Physics Letters

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Large distance implementation of quantum communication technologies requires coherent control of single photons in optical fiber networks. Here we demonstrate the phenomenon of coherent perfect absorption of single photons in a fully fiberized ultrathin plasmonic metamaterial fabricated at the end facet of an optical fiber. Continuous control of single-photon absorption probability is achieved by driving the network between the regimes of coherent total absorption and coherent total transmission. To circumvent phase fluctuations inherent to optical fiber networks, we implemented a reference-based postselection technique which yielded interference fringe visibility comparable to that of free space experiments. Coherent absorption of quantum light in fiber environment provides new opportunities for dissipative single-photon switching, filtering, and measurement, as well as for manipulation of entangled, weak coherent, and NOON states in optical fiber networks.

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confidence: 77%

Coherent perfect absorption of single photons in a fiber network

Vetlugin

Guo

Xomalis

et al. 2019

Applied Physics Letters

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“…Explanation of this phenomenon is given in a standing wave picture: if absorber is placed at anti-node of the standing wave, enhanced dissipation of light takes place, and if absorber is placed at node of the standing wave, no interaction happens since total electric field is equal to zero. Light-by-light control [4], all-optical switching [5], signal modulation [6,7], dark-pulse generation [8] and coherent amplifier [9] are clearly explained in this picture.…”

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confidence: 89%

Coherent perfect absorption of quantum light

Vetlugin

2021

Phys. Rev. A

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Coherent perfect absorption (CPA) was introduced as a classical optics phenomenon of a standing wave absorption by a subwavelength film. In this paper, we develop a theory of CPA of quantized standing waves taking account of a subwavelength thickness of the absorber. This approach allows us to merge all known quantum effects of CPA under a single theory and introduce new regimes of CPA including CPA of NOON states with arbitrary number of entangled photons, orthogonally squeezed vacuum states, continuous variable entangled states and Schrödinger cat states. Detailed analysis of quantum regime of CPA sheds light on fundamental aspects of quantum light dissipation and its practical implementation in quantum optics and quantum information.

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“…The introduction of meta-structures into optical fibers also greatly enriches traditional fiber devices, ushering the creation of tremendous novel metafiber applications in information modulations [96][97][98] , beam transformations [99][100][101][102][103] , imaging 74 and numerous high-performance biochemical sensors and detectors 75,76,[104][105][106][107][108][109][110] (detailed in Section "Optical meta-fibers").…”

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confidence: 99%

Optical meta-waveguides for integrated photonics and beyond

et al. 2021

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The growing maturity of nanofabrication has ushered massive sophisticated optical structures available on a photonic chip. The integration of subwavelength-structured metasurfaces and metamaterials on the canonical building block of optical waveguides is gradually reshaping the landscape of photonic integrated circuits, giving rise to numerous meta-waveguides with unprecedented strength in controlling guided electromagnetic waves. Here, we review recent advances in meta-structured waveguides that synergize various functional subwavelength photonic architectures with diverse waveguide platforms, such as dielectric or plasmonic waveguides and optical fibers. Foundational results and representative applications are comprehensively summarized. Brief physical models with explicit design tutorials, either physical intuition-based design methods or computer algorithms-based inverse designs, are cataloged as well. We highlight how meta-optics can infuse new degrees of freedom to waveguide-based devices and systems, by enhancing light-matter interaction strength to drastically boost device performance, or offering a versatile designer media for manipulating light in nanoscale to enable novel functionalities. We further discuss current challenges and outline emerging opportunities of this vibrant field for various applications in photonic integrated circuits, biomedical sensing, artificial intelligence and beyond.

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Picosecond all-optical switching and dark pulse generation in a fibre-optic network using a plasmonic metamaterial absorber

Cited by 17 publications

References 29 publications

Coherent perfect absorption of single photons in a fiber network

Coherent perfect absorption of single photons in a fiber network

Coherent perfect absorption of quantum light

Optical meta-waveguides for integrated photonics and beyond

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