Programmable Quantum Key Distribution Network for Dynamic and Multi-Granular Key Allocation

Florian Honz; Vana Pezelj; Valeria Saggio; Winfried Boxleitner; Michael Hentschel; Philip Walther; Hannes Hübel; Bernhard Schrenk

Programmable Quantum Key Distribution Network for Dynamic and Multi-Granular Key Allocation

Florian Honz (Corresponding author)
, Vana Pezelj
, Valeria Saggio
, Winfried Boxleitner
, Michael Hentschel
, Philip Walther
, Hannes Hübel
, Bernhard Schrenk

Quantum Science

Publications: Contribution to book › Contribution to proceedings › Peer Reviewed

Abstract

We demonstrate a QKD scheme enhanced with flexible key-rate allocation. A dynamic secure-key rate range of 18.7dB (76×) is obtained through programmable spectrum and detector choice, enabling a fine-grained and efficient use of network resources.

Original language	English
Title of host publication	2026 Optical Fiber Communications Conference and Exhibition, OFC 2026 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Number of pages	3
ISBN (Electronic)	9781957171548
Publication status	Published - 27 May 2026
Event	2026 Optical Fiber Communications Conference and Exhibition, OFC 2026 - Los Angeles, United States Duration: 15 Mar 2026 → 19 Mar 2026

Conference

Conference	2026 Optical Fiber Communications Conference and Exhibition, OFC 2026
Country/Territory	United States
City	Los Angeles
Period	15/03/26 → 19/03/26

Funding

The work was supported by the European Innovation Council under the Horizon Europe program under GA No 101187539, and through the QuantERA II Programme (GA No 101017733) and the Austrian FFG (GA No FO999906040).

Austrian Fields of Science 2012

102040 Quantum computing
103021 Optics

Access to Document

https://ieeexplore.ieee.org/document/11524984

Cite this

Honz, F., Pezelj, V., Saggio, V., Boxleitner, W., Hentschel, M., Walther, P., Hübel, H., & Schrenk, B. (2026). Programmable Quantum Key Distribution Network for Dynamic and Multi-Granular Key Allocation. In 2026 Optical Fiber Communications Conference and Exhibition, OFC 2026 - Proceedings Institute of Electrical and Electronics Engineers Inc.. https://ieeexplore.ieee.org/document/11524984

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title = "Programmable Quantum Key Distribution Network for Dynamic and Multi-Granular Key Allocation",

abstract = "We demonstrate a QKD scheme enhanced with flexible key-rate allocation. A dynamic secure-key rate range of 18.7dB (76{\texttimes}) is obtained through programmable spectrum and detector choice, enabling a fine-grained and efficient use of network resources.",

author = "Florian Honz and Vana Pezelj and Valeria Saggio and Winfried Boxleitner and Michael Hentschel and Philip Walther and Hannes H{\"u}bel and Bernhard Schrenk",

note = "Publisher Copyright: {\textcopyright} Optica Publishing Group 2026 {\textcopyright} 2026 The Author(s); 2026 Optical Fiber Communications Conference and Exhibition, OFC 2026 ; Conference date: 15-03-2026 Through 19-03-2026",

year = "2026",

month = may,

day = "27",

language = "English",

booktitle = "2026 Optical Fiber Communications Conference and Exhibition, OFC 2026 - Proceedings",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

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Honz, F, Pezelj, V, Saggio, V, Boxleitner, W, Hentschel, M, Walther, P, Hübel, H & Schrenk, B 2026, Programmable Quantum Key Distribution Network for Dynamic and Multi-Granular Key Allocation. in 2026 Optical Fiber Communications Conference and Exhibition, OFC 2026 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2026 Optical Fiber Communications Conference and Exhibition, OFC 2026, Los Angeles, United States, 15/03/26. <https://ieeexplore.ieee.org/document/11524984>

Programmable Quantum Key Distribution Network for Dynamic and Multi-Granular Key Allocation. / Honz, Florian (Corresponding author); Pezelj, Vana; Saggio, Valeria et al.
2026 Optical Fiber Communications Conference and Exhibition, OFC 2026 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2026.

Publications: Contribution to book › Contribution to proceedings › Peer Reviewed

TY - GEN

T1 - Programmable Quantum Key Distribution Network for Dynamic and Multi-Granular Key Allocation

AU - Honz, Florian

AU - Pezelj, Vana

AU - Saggio, Valeria

AU - Boxleitner, Winfried

AU - Hentschel, Michael

AU - Walther, Philip

AU - Hübel, Hannes

AU - Schrenk, Bernhard

PY - 2026/5/27

Y1 - 2026/5/27

N2 - We demonstrate a QKD scheme enhanced with flexible key-rate allocation. A dynamic secure-key rate range of 18.7dB (76×) is obtained through programmable spectrum and detector choice, enabling a fine-grained and efficient use of network resources.

AB - We demonstrate a QKD scheme enhanced with flexible key-rate allocation. A dynamic secure-key rate range of 18.7dB (76×) is obtained through programmable spectrum and detector choice, enabling a fine-grained and efficient use of network resources.

UR - https://www.scopus.com/pages/publications/105042311991

M3 - Contribution to proceedings

AN - SCOPUS:105042311991

BT - 2026 Optical Fiber Communications Conference and Exhibition, OFC 2026 - Proceedings

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 2026 Optical Fiber Communications Conference and Exhibition, OFC 2026

Y2 - 15 March 2026 through 19 March 2026

ER -

Programmable Quantum Key Distribution Network for Dynamic and Multi-Granular Key Allocation

Abstract

Conference

Funding

Austrian Fields of Science 2012

Access to Document

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Cite this