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Integrated microring resonator sensor arrays for labs-on-chips.

Carlos Angulo Barrios1

  • 1Universidad Politécnica de Madrid-Instituto de Sistemas Optoelectrónicos y Microtecnología, ETSI Telecomunicacion Ciudad Universitaria, 28040 Madrid, Spain. carlos.angulo.barrios@upm.es

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Microring resonator sensor arrays offer compact and sensitive biochemical sensing. Integrated optics on silicon chips enable lab-on-a-chip applications, advancing towards commercialization for clinical analyte detection.

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Area of Science:

  • Integrated optics
  • Nanophotonics
  • Biomedical engineering

Background:

  • Planar waveguide optical ring resonators are promising for compact and sensitive biochemical sensing.
  • Silicon (Si) integrated optics advances enable multi-sensor arrays with optical and fluidic functions on Si chips.
  • Mass production techniques are being applied to microring resonator (MRR) sensor arrays.

Purpose of the Study:

  • To survey the development of microring sensor arrays for lab-on-a-chip applications.
  • To illustrate the state-of-the-art in MRR sensor array technology.
  • To highlight the potential for commercialization in clinical diagnostics.

Main Methods:

  • Review of integrated optics advancements in Si technologies.
  • Analysis of microring resonator sensor array designs.
  • Examination of recent demonstrations in analyte detection.

Main Results:

  • MRR sensor arrays can be integrated with other functions on Si chips.
  • Clinically relevant analytes have been detected using MRR sensor arrays.
  • State-of-the-art examples showcase the technology's progress.

Conclusions:

  • Microring sensor arrays are advancing towards commercialization for lab-on-a-chip applications.
  • The integration of sensing, optical, and fluidic functions on Si chips is key.
  • This technology shows significant potential for sensitive and compact biochemical sensing.