Quantum Coherent Absorption of Squeezed Light

Ali Ümit Cemal Hardal (Invited author), Devashish Pandey (Invited author), Sanshui Xiao (Invited author), Martijn Wubs (Invited author)

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Abstract

Two identical squeezed coherent states at the input ports of a 50% absorbing beam splitter do not show coherent perfect absorption (CPA). All coherence is lost, though, since at the output ports entangled squeezed vacuum states emerge. Remarkably, this output state is a pure state, although produced by a lossy device. Therefore this CPA gate could become a new tool for continuous-variable quantum state preparation. Moreover, for graphene multilayers engineered for CPA, we discuss the effects of interlayer separation.
Original languageEnglish
Publication date2023
Number of pages1
Publication statusPublished - 2023
Event13th International Conference on Metamaterials, Photonic Crystals and Plasmonics - Paris, France
Duration: 18 Jul 202321 Jul 2023
Conference number: 13
https://metaconferences.org/META23/index.php/META/index

Conference

Conference13th International Conference on Metamaterials, Photonic Crystals and Plasmonics
Number13
Country/TerritoryFrance
CityParis
Period18/07/202321/07/2023
Internet address

Bibliographical note

Invited talk at META 2023, Presenting author: Martijn Wubs.

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