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Updated: Jul 7, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
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Two simulators for photonic computer-aided design.

A J Lowery, P C Gurney

    Applied Optics
    |February 21, 2008
    PubMed
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    This study compares two photonic simulation tools: the optoelectronic, photonic, and advanced laser simulator (OPAL-sim) for detailed device analysis and the gigabit optical link designer (GOLD) for system-level performance. Both tools aid in optimizing photonic system design.

    Area of Science:

    • Photonics
    • Optical Engineering
    • Computational Electromagnetics

    Background:

    • Computer-aided design (CAD) is crucial for advancing photonic systems.
    • Simulation tools accelerate the design, optimization, and planning of photonic devices and circuits.
    • The Australian Photonics Cooperative Research Centre developed two key simulation packages.

    Purpose of the Study:

    • To compare the capabilities of two distinct photonic simulation software packages.
    • To highlight the applications and strengths of each simulator for different design tasks.
    • To provide guidance for selecting appropriate simulation tools in photonic engineering.

    Main Methods:

    • The optoelectronic, photonic, and advanced laser simulator (OPAL-sim) was evaluated for its step-by-step simulation of complex photonic devices, circuits, and systems, including backward waves and compound resonators.

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  • The gigabit optical link designer (GOLD) was assessed for its efficient block processing of periodic waveforms to estimate eye diagrams and bit-error rates in multiplexed systems.
  • Comparative analysis focused on their suitability for device, circuit, and system-level design.

    • Main Results:

    • OPAL-sim excels in detailed, step-by-step analysis of intricate photonic components and phenomena.
    • GOLD provides efficient system-level performance estimations for high-speed optical communication systems.
    • Both simulators offer complementary functionalities for comprehensive photonic system design.

    Conclusions:

    • The choice between OPAL-sim and GOLD depends on the specific design stage and requirements.
    • OPAL-sim is suitable for in-depth device physics and complex structure simulation.
    • GOLD is optimized for rapid performance assessment of optical links and communication systems.