A Zero Added Loss Multiplexing (ZALM) Source Simulation

Fuente: arXiv
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Auteurs principaux: Horgan, Jerry, Nico-Katz, Alexander, Jenkins, Shelbi L., Tittelbaugh, Ashley N., Visan, Vivek, Bali, Rohan, Ruffini, Marco, Bash, Boulat A., Kilper, Daniel C.
Format: Preprint
Publié: 2025
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author Horgan, Jerry
Nico-Katz, Alexander
Jenkins, Shelbi L.
Tittelbaugh, Ashley N.
Visan, Vivek
Bali, Rohan
Ruffini, Marco
Bash, Boulat A.
Kilper, Daniel C.
author_facet Horgan, Jerry
Nico-Katz, Alexander
Jenkins, Shelbi L.
Tittelbaugh, Ashley N.
Visan, Vivek
Bali, Rohan
Ruffini, Marco
Bash, Boulat A.
Kilper, Daniel C.
contents Zero Added Loss Multiplexing (ZALM) offers broadband, per channel heralded EPR pairs, with a rich parameter space that allows its performance to be tailored for specific applications. We present a modular ZALM simulator that demonstrates how design choices affect output rate and fidelity. Built in NetSquid with QSI controllers, it exposes 20+ tunable parameters, supports IDEAL and REALISTIC modes, and provides reusable components for Spontaneous Parametric Down Conversion (SPDC) sources, interference, Dense Wavelength Division Multiplexing (DWDM) filtering, fiber delay, active polarization gates, detectors, and lossy fiber. Physics based models capture Hong Ou Mandel (HOM) visibility, insertion loss, detector efficiency, gate errors, and attenuation. Using this tool, we map trade offs among fidelity, link distance, and entangled pairs per use, and show how SPDC bandwidth and DWDM grid spacing steer performance. Using the default configuration settings, average fidelity remains constant at 0.83 but the ebit rate decreases from 0.0175 at the source to 0.0 at 50 km; narrowing the SPDC degeneracy bandwidth increases the ebit rate significantly without affecting fidelity. The simulator enables codesign of source, filtering, and feedforward settings for specific quantum memories and integrates as a building block for end to end quantum network studies.
format Preprint
id arxiv_https___arxiv_org_abs_2510_26009
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle A Zero Added Loss Multiplexing (ZALM) Source Simulation
Horgan, Jerry
Nico-Katz, Alexander
Jenkins, Shelbi L.
Tittelbaugh, Ashley N.
Visan, Vivek
Bali, Rohan
Ruffini, Marco
Bash, Boulat A.
Kilper, Daniel C.
Networking and Internet Architecture
Quantum Physics
Zero Added Loss Multiplexing (ZALM) offers broadband, per channel heralded EPR pairs, with a rich parameter space that allows its performance to be tailored for specific applications. We present a modular ZALM simulator that demonstrates how design choices affect output rate and fidelity. Built in NetSquid with QSI controllers, it exposes 20+ tunable parameters, supports IDEAL and REALISTIC modes, and provides reusable components for Spontaneous Parametric Down Conversion (SPDC) sources, interference, Dense Wavelength Division Multiplexing (DWDM) filtering, fiber delay, active polarization gates, detectors, and lossy fiber. Physics based models capture Hong Ou Mandel (HOM) visibility, insertion loss, detector efficiency, gate errors, and attenuation. Using this tool, we map trade offs among fidelity, link distance, and entangled pairs per use, and show how SPDC bandwidth and DWDM grid spacing steer performance. Using the default configuration settings, average fidelity remains constant at 0.83 but the ebit rate decreases from 0.0175 at the source to 0.0 at 50 km; narrowing the SPDC degeneracy bandwidth increases the ebit rate significantly without affecting fidelity. The simulator enables codesign of source, filtering, and feedforward settings for specific quantum memories and integrates as a building block for end to end quantum network studies.
title A Zero Added Loss Multiplexing (ZALM) Source Simulation
topic Networking and Internet Architecture
Quantum Physics
url https://arxiv.org/abs/2510.26009