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Photonic Quantum Computing Quantum Machine Learning Quantum Cryptography Security

Monolithically Integrated Ultra-Low Noise Balanced Receiver for CV-QKD

arXiv
Authors: Dinka Milovančev, Nemanja Vokić

Year

2024

Paper ID

65401

Status

Preprint

Abstract Read

~2 min

Abstract Words

78

Citations

N/A

Abstract

In this work we explore monolithic opto-electronic integration platform for significant down-scaling of input-referred noise in custom designed low-noise analog front-end used for balanced photodetection. The performance of such monolithically integrated approach is compared to heterogeneously integrated solution designed in the same technology which requires wire-bonding to the balanced photodetectors. The designed circuits are targeting bandwidth above 1 GHz. The improved noise performance is leveraged against increased secure key rates and achievable reach in continuous-variable quantum key distribution (CV-QKD).

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  • In this work we explore monolithic opto-electronic integration platform for significant down-scaling of input-referred noise in custom designed low-noise analog front-end used...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2407.10517 [2] arXiv https://arxiv.org/abs/2407.10517 [3] Publisher https://arxiv.org/abs/2407.10517

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