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Updated: May 27, 2026

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
09:03

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

Nanosecond-latency all-optical fiber sensing with in-sensor computing.

Yu Tao1, Yangyang Wan2, Ziwen Long1

  • 1State Key Laboratory of Photonics and Communications, Shanghai Jiao Tong University, Shanghai, 200240, China.

Light, Science & Applications
|May 25, 2026
PubMed
Summary
This summary is machine-generated.

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We developed an all-optical fiber sensing architecture with in-sensor computing (AOFS-IC) that processes data at light speed. This breakthrough overcomes electronic limitations, enabling faster, more efficient optical sensing for diverse applications.

Area of Science:

  • Photonics and Optical Engineering
  • Sensing Technology
  • Applied Physics

Background:

  • Optical fiber sensing is vital for modern measurement systems.
  • Electronic signal processing in fiber sensors faces latency and power constraints.
  • Existing systems require complex electronic readout, limiting speed and efficiency.

Purpose of the Study:

  • To propose and demonstrate an all-optical fiber sensing architecture with in-sensor computing (AOFS-IC).
  • To achieve fully optical-domain sensing signal demodulation at the speed of light.
  • To overcome the limitations of electronic processing in optical fiber sensing.

Main Methods:

  • Integration of a scattering medium with an optimized diffractive optical network.
  • Development of an architecture for linear mapping of physical perturbations to detected intensity.

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Microfluidic Imaging Flow Cytometry by Asymmetric-detection Time-stretch Optical Microscopy (ATOM)
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Published on: June 28, 2017

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Last Updated: May 27, 2026

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
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A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

Microfluidic Imaging Flow Cytometry by Asymmetric-detection Time-stretch Optical Microscopy (ATOM)
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Microfluidic Imaging Flow Cytometry by Asymmetric-detection Time-stretch Optical Microscopy (ATOM)

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  • Implementation of direct readout without electronic processing.

    • Main Results:

    • Achieved fully optical-domain sensing signal demodulation with <3 ns delay.
    • Demonstrated sub-nano strain resolution and 100% torsional angle classification accuracy.
    • Successfully performed multiplexed sensing of multiple physical quantities and robot arm monitoring.

    Conclusions:

    • AOFS-IC eliminates computing hardware requirements, offering >2 orders of magnitude speed improvement over conventional systems.
    • The proposed system enables ultrafast measurement speed and low power consumption.
    • This work paves the way for next-generation optical sensing systems empowered by all-optical computing.