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Related Experiment Video

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Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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Accessing photon bunching with a photon number resolving multi-pixel detector.

Dmitry A Kalashnikov1, Si Hui Tan, Maria V Chekhova

  • 1Data Storage Institute, Agency for Science Technology and Research, 117608 Singapore.

Optics Express
|June 7, 2011
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Summary
This summary is machine-generated.

This study introduces a method to filter crosstalk in multi-pixel counters (MPPC), improving photon-number resolution for quantum optics applications. The technique enhances intensity correlation measurements using a single MPPC.

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Area of Science:

  • Quantum optics
  • Photon detection
  • Quantum information science

Background:

  • Photon-number resolving detectors are crucial for quantum optics.
  • Multi-pixel counters (MPPCs) can distinguish photon numbers but suffer from pixel crosstalk.
  • Crosstalk degrades the accuracy of photon-number resolution.

Purpose of the Study:

  • To develop a method for filtering crosstalk effects in MPPCs.
  • To improve the measurement of intensity correlation functions.
  • To enable higher-order correlation analysis with a single MPPC.

Main Methods:

  • A novel filtering technique is proposed to mitigate crosstalk.
  • The method focuses on analyzing intensity correlation functions.
  • The approach is designed for application with single MPPC devices.

Main Results:

  • The proposed method effectively filters out crosstalk in MPPC measurements.
  • Accurate photon-number resolution is achieved despite crosstalk.
  • The technique is extendable to higher-order intensity correlations.

Conclusions:

  • The developed method significantly enhances the performance of MPPCs for quantum applications.
  • This approach overcomes a major limitation in photon-number resolving detectors.
  • It offers a pathway for advanced quantum measurements using single MPPCs.