VPIphotonics at OFC, 3-7 March in San Diego, USA

Come and visit our modeling experts at Booth 3639!


  • New Version: VPItoolkit™ DSP Library v3.5

    Tx- and Rx-side Digital Signal Processing algorithms for coherent optical transmission systems

    VPIphotonics announces the release of new version 3.5 of the VPItoolkit DSP Library, a powerful set of digital signal processing algorithms developed by the Photonic Networks and Systems department at Fraunhofer HHI.

    New features include:

    • A new Kramers-Kronig detection function, enabling the use of all DSP Library functions with this class of transmission systems.
    • Two new demos showcasing the Kramers-Kronig scheme with experimental and simulated signals.
    • A new demo to show how data-aided frequency-domain equalization can be used to demodulate probabilistically-shaped M-QAM signals.
    For more details about the DSP Library, please click here!

    The DSP Library is a pluggable toolkit for VPItransmissionMaker Optical Systems and VPIlabExpert, allowing the application of advanced DSP techniques for coherent optical systems in both simulation, as well as experimental laboratory setups.

    VPItoolkit DSP Library v3.5


  • VPIphotonics Design Suite™ v10.0

    Design Photonic Components and Compare Transmission Technologies

    VPIphotonics Design Suite accelerates the design of new photonic systems and subsystems for short-range, access, metro and long-haul optical transmission systems. Further, it supports assessment of technology upgrade and component substitution strategies that are to be developed for existing fiber plants.

    Highlights supported by the new version 10.0:

    • to be released soon


  • New Version: VPImodeDesigner™ v1.5

    Comprehensive Design of Waveguides and Fibers

    We demonstrate the greatly enhanced new version of VPImodeDesigner – the powerful software design tool for the analysis and optimization of integrated photonic waveguides and optical fibers.

    The new version provides new finite-difference mode solvers, enabling efficient modeling of plasmonic waveguides and accurate treatment of electric field singularities near sharp corners of high-index-contrast and plasmonic waveguides. It offers improved automated calculation of dispersive waveguide and fiber properties for degenerate and highly dispersive modes near cut-off wavelengths, and new advanced field operations with enhanced usability.

    This version of VPImodeDesigner can be seamlessly integrated with VPIComponentMaker Photonic Circuits, our powerful circuit-level simulator of integrated photonics.

    VPImodeDesigner v1.5


  • Updated VPItoolkit™ PDK SMART v1.5 with export to multiple layout tools

    Flexible and fast schematic-driven design of photonic integrated circuits

    VPIphotonics announces release of an updated VPItoolkit PDK SMART supporting the SMART Photonics Process Design Kit (PDK), which seamlessly integrates Photonic Integrated Circuit (PIC) simulation and automated mask layout extraction.

    Luceda's IPKISS design platform and the free, open-source Nazca Design framework developed by BRIGHT Photonics are now fully supported for the generation of verified PICs layouts to be submitted and processed in terms of Multi-Project Wafer (MPW) runs on SMART Photonics' Indium Phosphide technology platform. Similar mask export capabilities with OptoDesigner developed by PhoeniX Software (part of Synopsys) have already been introduced earlier.

    VPItoolkit PDK SMART v1.5


  • Interfacing between Tanner L-Edit and VPIphotonics Design Suite™

    VPIphotonics partners with Mentor to deliver effective solution for the layout-driven design of the photonic integrated circuits.

    Mentor's tool Tanner L-Edit Photonics provides designers with a full-featured layout editor supporting manual layout of integrated photonic designs.

    The link to VPIphotonics Design Suite enables an automated conversion of a layout created in Tanner L-Edit into the schematic in VPIphotonics Design for subsequent benchmarking in photonics test beds and/or system applications levering the advanced simulation capabilities of VPIcomponentMaker Photonic Circuits and VPItransmissionMaker Optical Systems.

    Layout-Driven Schematic Design Flow – Tanner L-Edit and VPI Design Suite


  • Lab Automation Hackathon

    Sunday, 03 March, 20:00 - 22:00, Room 17B

    Come and attend our live demonstrations at Lab Automation Hackathon during OFC 2019. Our experts will demonstrate Python-powered advanced functionalities in VPIphotonics Design Suite including simulation controlling scripts, automatic optimization and sensitivity analysis, custom components modeling and caching of simulation data.

    Bring a laptop to participate in the exercise. There will also be plenty of time for mingling and discussion. Light food and drink will be served.

    For more information and registration click here!

    Lab work is most efficient when data can be acquired in an automated way. Especially when taking measurements over long durations automated acquisition avoids introducing human error and allows researchers to concentrate on the fun part of experimental work. Open source software in easy to learn languages such as Python provides just as much, or more features/interoperability for lab automation than alternative commercial software. In this hackathon several researchers with 10+ years experience of lab automation will show you the power of using Python to quickly get a lab experiment running and display the measurements in a browser. We will learn from companies that work in photonics how they take advantage of Python to create easy interfaces to their software and hardware.


  • Networking: VPIphotonics at 6th workshop on Photonic Integrated Circuits

    Wednesday, 06 March, 17:15 - 20:30, Room 29ABCD

    The PIC Workshop will be held on Wednesday March 6, 2019 from 5:15pm to 8:30pm, i.e. right after the conference and exhibition end for that day. The workshop takes place as part of the OFC conference and is held in Room 29ABCD of the San Diego Convention Center.

    The workshop is free of charge, but does require advance registration! Food and drinks will be provided and there is plenty of opportunity to network and interact with PIC service providers.

    With an increasing momentum in photonic integration and last year’s OFC PIC Workshop attracting well over 350 attendees, this year will feature the 6th workshop on Photonic Integrated Circuits at OFC. The workshop is unique in the sense that it offers a material-independent one-stop-shop for anyone interested in or wanting to get started in photonic integration.


Technical Feature Presentations & Live Product Demonstrations

Our modeling experts will provide a number of technical presentations on various design and analysis topics.

Please find a short list below:

  • Optical waveguides and related devices
  • Large-scale and heterogeneous Photonic Integrated Circuits
  • Fab-specific circuit designs and export to mask layout software
  • Optical amplifiers and sources based on single- or multimode fibers
  • Lab interfaces to bridge the gap between simulations and experiments
  • Lab-proven and modulation-format independent DSP algorithms
  • Aggregation, optical access and radio-over-fiber systems
  • Power transients and dynamic network reconfiguration
  • Simplified and comprehensive link engineering
  • High-speed transmission systems with data rates of 400Gb and beyond
  • Spatial Division Multiplexing - technologies and transmission concepts

VPIphotonics Tools Overview

Additional information required on a particular subject? Interested in discussing specific topics?
Arrange a meeting with a member of the VPI R&D team.
Please indicate your name, company, the issue you want to discuss and your availability during the conference.

Contributions to OFC 2019 Conference Program

Blind Polarization Demultiplexing and Equalization
of Probabilistically Shaped QAM

S.Dris, S. Alreesh, A. Richter (VPIphotonics)
Paper W1D.2 – Room 6C – 8:30 am, Wednesday, March 6th

Abstract: A novel, two-stage algorithm for polarization demultiplexing and equalization of probabilistically shaped QAM is presented. It operates blindly, requiring no knowledge of the channel or transmitted sequence. Performance is validated under realistic PMD conditions.

On the Analysis and Emulation of
Nonlinear Component Characteristics

A. Richter, S.Dris, N. Andre (VPIphotonics)
Invited Paper Th1D.1 – Room 6C – 08:00 am, Thursday, March 7th

Abstract: We present theoretical background and implementation considerations of Volterra series based nonlinear component models. We demonstrate the advantage of combining frequency and time domain representations and present an efficient way to find high-order filter taps.

Professional Services and R&D Activities

Learn more about VPI's Consulting and R&D activities! Contact us for custom design services, and training seminars on modern technologies and their adequate modeling.

VPIphotonics partners with public research institutes, industry and universities to develop advanced solutions for the design and optimization of future photonic networks. These activities range from component design to network planning.


  • InPulse - Indium-Phosphide Pilot Line for up-scaled scaled, low-barrier, self-sustained, PIC ecosystem

    InPulse Pilot Line is an EU funded project that democratizes access to industrial prototyping and pre-production of high-performance InP photonic integrated circuits (PIC).

    InPulse provides a low entry barrier access to low and medium production volumes of InP PICs.

    InPulse has the ambition to transform business practices from vertical integration – where design, fabrication and product development are all in-house and inaccessible to new entrants, to horizontal where fabless and lab less businesses share the same manufacturing infrastructure.


  • SENDATE-FICUS - Secure networking for a data center cloud in Europe –
    Flexible infrastructure for data center communication providing unique security

    VPIphotonics teams up with Coriant and academic partners in the framework of the Celtic-Plus project SENDATE-FICUS.

    The purpose of this project is the development of new technologies enabling the transition from today's networks to robust, efficient, secure and re-configurable converged communication networks.


  • QAMeleon - Sliceable multi-QAM format SDN-powered transponders and ROADMs Enabling Elastic Optical Networks

    VPIphotonics' core technical contribution to the project will be in work package "Component and System Specifications and Requirements". The team will participate in formulating the project's use-cases, network requirements and performance indicators, defining the system and component specifications, as well as take an active role in the development of the TRx DSP algorithms that are central to the QAMeleon's technological objectives. VPI leads a task where system and component modeling and simulation takes place.

    The work that will be carried out here will constitute the first verification of the project's proposed system concepts. Heavy interaction with work packages related to components fabrication will take place to aid the design and development cycle, and ensure that performance targets are met. Furthermore, VPI will also actively support the experimental verification effort, contributing with researchers, as well as its commercial lab automation software (VPIlabExpert), in the laboratory and field trial validations of the developed technology.


  • EU Quantum Flagship Project UNIQORN - advances the next generation of quantum communication systems

    The multidisciplinary project UNIQORN will develop under the participation of VPIphotonics quantum technology for the mass market. Quantum communication systems, mostly found in research laboratories, will be squeezed into small and reliable photonic integrated circuits.

    By carefully laying out each element along the development chain from fabrication to application, the Horizon 2020 project will not only reduce size and cost, but will also bring improvements in terms of robustness and reproducibility.


  • PolyPhotonics Berlin - Optical Components from Plastic

    VPIphotonics teams up with regional enterprises and research institutes in frame of PolyPhotonics Berlin, an R&D project co-financed by the German Federal Ministry of Education and Research (BMBF). The PolyPhotonics Berlin consortium targets to establish a new versatile polymer based integration platform combined with Indium-Phosphide and thin-film filter technologies for numerous photonics applications in the global communications and sensing market.

    VPIs role in this initiative is to develop a toolbox of simulation models representing libraries of photonic and optoelectronic building blocks. This toolbox may serve as basis for project partners and external users when designing and verifying complex photonic components and integrated circuits that are to be manufactured by the PolyPhotonics Berlin consortium.