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Updated: Jul 5, 2025

Flow-assisted Dielectrophoresis: A Low Cost Method for the Fabrication of High Performance Solution-processable Nanowire Devices

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An efficient modeling workflow for high-performance nanowire single-photon avalanche detector.

Zhe Li¹, Hark Hoe Tan¹, Chennupati Jagadish¹

¹Australian Research Council Centre of Excellence for Transformative Meta-Optical Systems, Department of Electronic Materials Engineering, Research School of Physics, The Australian National University, Canberra ACT 2601, Australia.

|January 18, 2024

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We developed an efficient workflow to model nanowire single-photon detectors (SPDs) for quantum technologies. This method predicts key performance metrics, showing nanowire SPDs can rival superconducting ones at room temperature.

Area of Science:

Quantum Technology
Optoelectronics
Semiconductor Device Physics

Background:

Single-photon detectors (SPDs) are crucial for quantum communication and next-generation quantum technologies.
Existing SPD technologies face challenges in performance, cost, or operating conditions.

Purpose of the Study:

To propose and validate an efficient computational workflow for modeling nanowire single-photon detectors (SPDs).
To optimize the design and performance prediction of avalanche SPDs based on nanowire structures.

Main Methods:

Development of a hybrid modeling workflow combining drift-diffusion simulations with script-based post-processing for computational efficiency.
Application of the workflow to model an Indium Phosphide (InP) nanowire avalanche SPD.
Comparative analysis against planar and superconducting nanowire SPDs.

Keywords:

nanostructured devices nanowires single-photon detectors technology computer-aided design

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Last Updated: Jul 5, 2025

Flow-assisted Dielectrophoresis: A Low Cost Method for the Fabrication of High Performance Solution-processable Nanowire Devices

Flow-assisted Dielectrophoresis: A Low Cost Method for the Fabrication of High Performance Solution-processable Nanowire Devices

Published on: December 7, 2017

Optical Trapping of Nanoparticles

Optical Trapping of Nanoparticles

Published on: January 15, 2013

High Resolution Physical Characterization of Single Metallic Nanoparticles

High Resolution Physical Characterization of Single Metallic Nanoparticles

Published on: June 28, 2019

Main Results:

The workflow accurately predicts critical performance metrics: breakdown voltage, avalanche timing, photon detection efficiency (PDE), dark count rate (DCR), and timing jitter.
Nanowire avalanche SPDs demonstrated potential to outperform planar devices.
Achieved high PDE (70%) and low DCR (<20 Hz) at non-cryogenic temperatures, comparable to superconducting SPDs.

Conclusions:

The proposed efficient modeling workflow enables rapid prediction of nanowire SPD performance.
Nanowire avalanche SPDs offer a promising alternative to superconducting SPDs, providing high performance at room temperature.
The workflow is adaptable for modeling complex 2D and 3D device structures.