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- 01JAYY5BVXWH5E55FSS8D8M3DV classification A1.
- 01JAYY5BVXWH5E55FSS8D8M3DV date "2024".
- 01JAYY5BVXWH5E55FSS8D8M3DV language "eng".
- 01JAYY5BVXWH5E55FSS8D8M3DV type journalArticle.
- 01JAYY5BVXWH5E55FSS8D8M3DV hasPart 01JAYY5Y2J2B2TSA3NT0EHRZFJ.pdf.
- 01JAYY5BVXWH5E55FSS8D8M3DV subject "Physics and Astronomy".
- 01JAYY5BVXWH5E55FSS8D8M3DV subject "Technology and Engineering".
- 01JAYY5BVXWH5E55FSS8D8M3DV doi "10.1364/OPTICA.530080".
- 01JAYY5BVXWH5E55FSS8D8M3DV issn "2334-2536".
- 01JAYY5BVXWH5E55FSS8D8M3DV issue "9".
- 01JAYY5BVXWH5E55FSS8D8M3DV volume "11".
- 01JAYY5BVXWH5E55FSS8D8M3DV abstract "Quantum key distribution (QKD) is a widely recognized application of quantum information theory, guaranteeing information-theoretically secure key exchange. However, commercial viability of QKD systems is currently impeded by issues such as scalability, network integration, and high manufacturing costs. Low-cost, high-volume production of photonic and electronic integrated circuits could be the breakthrough needed for broad-scale deployment of cutting-edge QKD systems. Here, we present a continuous-variable (CV) QKD system that is based on an integrated photonic-electronic receiver. It combines a silicon photonic integrated circuit, featuring a phase-diverse receiver, with custom-designed GaAs pHEMT transimpedance amplifiers. Operating at a classical telecom symbol rate of 10 GBaud, our QKD system generates high secret key rates- exceeding 0.7 Gb/s over a 5 km distance and 0.3 Gb/s over a 10 km. The secret keys are secure against collective attacks, even when accounting for finite-size effects in the parameter estimation, thanks to well-designed digital signal processing that enables broadband system operation. Our experiment sets a record for secure key exchange and paves the way for the implementation of real-time broadband CV-QKD systems. (c) 2024 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement".
- 01JAYY5BVXWH5E55FSS8D8M3DV author 04FF56E8-7159-11E6-AE58-2559B5D1D7B1.
- 01JAYY5BVXWH5E55FSS8D8M3DV author 888D5456-6104-11E7-83C3-70DDAD28A064.
- 01JAYY5BVXWH5E55FSS8D8M3DV author C1A25D5E-1676-11E3-8020-67D810BDE39D.
- 01JAYY5BVXWH5E55FSS8D8M3DV author F6A9A020-F0ED-11E1-A9DE-61C894A0A6B4.
- 01JAYY5BVXWH5E55FSS8D8M3DV author urn:uuid:3de2c707-6dc0-466b-8549-c55ba8e716a0.
- 01JAYY5BVXWH5E55FSS8D8M3DV author urn:uuid:b3b49535-fae2-46d3-9e5c-e2ecaeef5392.
- 01JAYY5BVXWH5E55FSS8D8M3DV author urn:uuid:cc12f89a-0423-4ad9-a40b-e663478dc7d3.
- 01JAYY5BVXWH5E55FSS8D8M3DV author urn:uuid:da9121e8-c3e2-4fe1-b626-f1fd973565e9.
- 01JAYY5BVXWH5E55FSS8D8M3DV author urn:uuid:f06757c0-51ad-4b19-b8ba-5ec8b3bb7e60.
- 01JAYY5BVXWH5E55FSS8D8M3DV dateCreated "2024-10-24T09:36:42Z".
- 01JAYY5BVXWH5E55FSS8D8M3DV dateModified "2024-12-12T21:14:29Z".
- 01JAYY5BVXWH5E55FSS8D8M3DV name "Continuous-variable quantum key distribution at 10 GBaud using an integrated photonic-electronic receiver".
- 01JAYY5BVXWH5E55FSS8D8M3DV pagination urn:uuid:f48eddf1-bd14-4e75-81b5-2b53c67fc705.
- 01JAYY5BVXWH5E55FSS8D8M3DV sameAs LU-01JAYY5BVXWH5E55FSS8D8M3DV.
- 01JAYY5BVXWH5E55FSS8D8M3DV sourceOrganization urn:uuid:0b7dbf48-eac4-4158-b694-e611cfabce9e.
- 01JAYY5BVXWH5E55FSS8D8M3DV sourceOrganization urn:uuid:843550e5-cba4-4668-8ece-3996bf425900.
- 01JAYY5BVXWH5E55FSS8D8M3DV type A1.