High-Resolution Spectroscopy on a Silicon Chip - Summary - MDSpire

High-Resolution Spectroscopy on a Silicon Chip

  • May 21, 2026

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Objective:

To develop a hybrid silicon photonic and computational spectrometer that achieves high resolution and broad bandwidth in a compact footprint.

Key Findings:
  • Achieved picometer-scale reconstructed resolution across a broad bandwidth.
  • Resolved 49 absorption lines in a dense hydrogen cyanide spectrum with high accuracy.
  • Demonstrated improved performance over commercial optical spectrum analyzers.
Interpretation:

The platform excels in recovering analytically useful spectra from a compact single-channel system, indicating potential for practical applications in portable sensing.

Limitations:
  • Numerical stability and device simplicity may be compromised in some computational methods.
  • Further development needed for broader array architectures and faster tuning schemes.
Conclusion:

The co-design strategy offers a promising pathway for the development of compact, high-resolution spectrometers suitable for various applications.

Original Source(s)

High-Resolution Spectroscopy on a Silicon Chip

  • May 21, 2026

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