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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
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Scalable InP integrated wavelength selector based on binary search.

Nicola Calabretta1, Ripalta Stabile, Aaron Albores-Mejia

  • 1COBRA Research Institute, Eindhoven University of Technology, P. O. Box 513, NL-5600 Eindhoven, The Netherlands. n.calabretta@tue.nl

Optics Letters
|October 4, 2011
PubMed
Summary

This study introduces an Indium Phosphide (InP) chip for wavelength selection, using a binary search to efficiently choose from multiple modulated wavelengths with fast, error-free performance.

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Area of Science:

  • Photonics and Optical Engineering
  • Integrated Photonics
  • Semiconductor Devices

Background:

  • Efficient wavelength selection is crucial for advanced optical communication systems.
  • Current methods often require complex architectures and numerous components.
  • Integrated photonics offers a path towards miniaturized and high-performance optical devices.

Purpose of the Study:

  • To develop a novel monolithic Indium Phosphide (InP) wavelength selector.
  • To implement a binary search algorithm for selecting one from N modulated wavelengths.
  • To reduce the number of required optical filters and switches for wavelength selection.

Main Methods:

  • Monolithic integration of optical filters and switches on an InP chip.
  • Utilizing a binary search algorithm for wavelength selection.
  • Experimental validation of the integrated device's performance.

Main Results:

  • Demonstrated a wavelength selector requiring only log(2)N optical filters and switches.
  • Achieved nanosecond reconfiguration times for wavelength selection.
  • Successfully performed error-free selection of four modulated wavelengths with a minimal 2 dB power penalty.

Conclusions:

  • The developed InP monolithic wavelength selector offers a highly efficient and compact solution.
  • The binary search approach significantly reduces component count and improves reconfiguration speed.
  • This technology holds promise for next-generation optical networks and signal processing.