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Related Experiment Video

Updated: May 29, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
12:19

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Efficient coupler between chip-level and board-level optical waveguides.

Jie Shu1, Ciyuan Qiu, Xuezhi Zhang

  • 1Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, USA.

Optics Letters
|September 21, 2011
PubMed
Summary
This summary is machine-generated.

We developed an efficient optical coupler for silicon photonic chips and polymer waveguides in interchip optical networks. This coupler offers low loss and high tolerance for automated, cost-effective assembly across a wide bandwidth.

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Area of Science:

  • Photonics
  • Optical Engineering
  • Materials Science

Background:

  • Interchip optical networks require efficient coupling between different waveguide types.
  • Silicon photonics and polymer waveguides are key components in modern optical communication systems.
  • Current coupling methods can be costly and sensitive to misalignment.

Purpose of the Study:

  • To design and demonstrate an efficient optical coupler for connecting silicon waveguides to polymer waveguides.
  • To achieve low coupling loss and high tolerance to misalignment for automated manufacturing.
  • To ensure a wide operational optical bandwidth for versatile applications.

Main Methods:

  • Design of a submicrometer silicon waveguide coupler.
  • Integration with multi-micrometer polymer waveguides on optical printed circuit boards.
  • Characterization of coupling loss, lateral and angular tolerance, and optical bandwidth.

Main Results:

  • Achieved coupling loss below 0.4 dB.
  • Demonstrated high tolerance to lateral and angular misalignment.
  • Confirmed a wide optical bandwidth ranging from 1470 to 1650 nm.
  • Enabled high-throughput, low-cost automated pick-and-place assembly.

Conclusions:

  • The proposed optical coupler facilitates efficient, low-loss, and robust interconnections between silicon and polymer waveguides.
  • This technology supports cost-effective and high-throughput manufacturing for interchip optical networks.
  • The wide bandwidth and misalignment tolerance make it suitable for diverse optical networking applications.