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Related Experiment Video

Updated: Jun 14, 2026

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
05:57

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

A macrochip interconnection network enabled by silicon nanophotonic devices.

Xuezhe Zheng1, John E Cunningham, Pranay Koka

  • 1Sun Microsystems, CTO Physical Sciences Center, San Diego, CA 92121, USA.

Journal of Nanoscience and Nanotechnology
|April 2, 2010
PubMed
Summary
This summary is machine-generated.

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We developed a silicon nanophotonic wavelength-division multiplexing network for high-performance computing. This optical interconnect offers significantly lower latency and higher bandwidth density than traditional electronic systems.

Area of Science:

  • Nanophotonics
  • Optical Interconnects
  • High-Performance Computing

Background:

  • Multi-core and multi-processor systems require high-bandwidth interconnections.
  • Existing electronic interconnects face limitations in bandwidth density and latency.

Purpose of the Study:

  • To present an advanced wavelength-division multiplexing (WDM) point-to-point network using silicon nanophotonics.
  • To introduce the nanophotonic grating coupler as a key component for practical WDM network implementation.

Main Methods:

  • Utilized silicon nanophotonic devices for network construction.
  • Employed finite difference time-domain (FDTD) simulations for nanophotonic grating coupler analysis.
  • Investigated optical proximity communication for enhanced I/O bandwidth density.

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Related Experiment Videos

Last Updated: Jun 14, 2026

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
05:57

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

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

Silicon Microchips for Manipulating Cell-cell Interaction
23:21

Silicon Microchips for Manipulating Cell-cell Interaction

Published on: August 30, 2007

Main Results:

  • Demonstrated a compact (20x50 microm), low-loss (3.8 dB), and broadband (100 nm) nanophotonic grating coupler.
  • Achieved strictly non-blocking all-to-all connectivity with maximized bisection bandwidth.
  • Showcased a 5-6x latency improvement compared to purely electronic implementations.

Conclusions:

  • The proposed WDM point-to-point network offers superior performance and bandwidth density for macrochip interconnects.
  • Nanophotonic grating couplers are crucial for practical WDM network implementations via optical proximity communications.
  • This technology enables unprecedented bandwidth-density and reduced latency in computing systems.