Jena LIGHT Conference 2025 Titelbild

Program

Jena LIGHT will take place from 1-3 December 2025 and features a program of talks, poster presentations and lab visits as well as social and cultural events.
Jena LIGHT Conference 2025 Titelbild
Grafik: modif. Tung Nguyen/Pixabay; Falk Eilenberger

Schedule

Monday, 01.12.2025  

10:00-11:00

Arrival and Registration

11:00-11:15

Opening Remarks
Falk Eilenberger (Fraunhofer Institute for Applied Optics and Precision Engineering IOF)

11:15-13:15

Session 1: Advances in Foundry Services

Volker Sorger (University of Florida)
Photonic Chips and Foundry Partnerships for AI and Datacomm

Amir H. Ghadimi (Lightium AG)
Breaking the Bottleneck: High-Volume Manufacturing of TFLN PICs for Telecom & Datacom

Sergii Gudyriev (X-FAB Semiconductor Foundries GmbH)
More than Photonics - Enabling Innovation with Silicon Photonics Heterogeneous platforms in the industry

Tobias Kippenberg (École Polytechnique Fédérale de Lausanne)
Next generation integrated photonics

13:15-14:00 Lunch Break
14:00-16:00

Session 2: LNOI for Quantum Applications

Laura Padberg (University of Paderborn)
Thin-film lithium niobate for integrated quantum optics    

Robert Chapman (ETH Zürich)
Integrated quantum photonics on thin film lithium niobate
    
Yen Hung Chen (National Central University Taoyuan)
Lithium Niobate Integrated Photonic Sources and Circuits for Quantum Technology

Reinhard Geiss (Fraunhofer Institute for Applied Optics and Precision Engineering IOF)
Towards Wafer-scale Fabrication of Erbium-doped TFLN Photonic Devices

16:00-16:30 Coffee Break
16:30-17:30

Session 3: Contributed I

Kalaga Madhav (Leibniz Institute for Astrophysics Potsdam)
Astrophotonics : PICs for astronomy from ground and space 
    
Jörn Epping (Epiphany Design)
Enabling Cross-Platform Design with xPDK 
    
Matthias Kaschel (Institut für Mikroelektronik Stuttgart)
PICs for enabling Quantum Applications 

Mario Chemnitz (Leibniz-Institute of Photonic Technology Jena)
Fluid-Photonics: Towards Hybrid Liquid-Solid Material Co-designs to Explore New Guiding Principles in Photonics

17:30-20:00

Posters and Pizza

[Please scroll down to the poster list]

Tuesday, 02.12.2025                    
9:00-11:00

Session 4: Novel Materials

Alex Demkov (La Luce Cristallina)
Barium titanate: the next generation in integrated silicon photonics    

Tim Schröder (Humboldt University of Berlin & Ferdinand-Braun-Institut)
Integrated Quantum Photonics with the AlGaN/AlN–Diamond platform    

David de Felipe (Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institut)
PIC Technologies for Communication, Sensing and Quantum    

Sebastian Schmitt (Fraunhofer Institute for Applied Optics and Precision Engineering IOF)
From Material Property to Quantum Functionality: Tailoring Nonlinear Platforms for Photonic Integration 

11:00-11:30 Coffee Break
11:30-12:30

Session 5: Contributed II

Toby Bi (Max Planck Institute for the Science of Light, Friedrich-Alexander-Universität Erlangen-Nürnberg)
Room temperature sputtered silicon nitride for inverse-design and nonlinear optics

Andrea Knigge (Ferdinand-Braun-Institut Berlin)
GaAs-based photonic integration  

Carsten Ronning (Friedrich Schiller University Jena)
Ion beams for photonic integrated circuits

12:30-13:30 Lunch Break
13:30-15:30

Session 6: Advanced Topics

Florenta Costache (Fraunhofer Institute for Photonic Microsystems)
Perspectives on Photonic Platforms: Liquid-Crystal Devices and Silicon Nitride-Based Sensing

Andreas Fognini (Single Quantum)
SNSPDs at the Frontier: Bridging Quantum Information and Space Exploration

Richard Zeltner (Menlo Systems GmbH)
Emerging applications of integrated photonics in high-precision metrology

Jens Müller (Ilmenau University of Technology)
Glass- and Ceramic-based interposer technologies for photonic electronic co-integration

 15:30-16:00 Coffee Break
 16:00-17:30

Session 7: Contributed III

Maham Ibrar (Friedrich Schiller University Jena & Leibniz Institute of Photonic Technology)
Guiding in chaos: Observing branched flow of light through complex refractive index landscapes in planar waveguides

Daniel Sa Pereira (Bühler Leybold Optics)
Ion Beam Trimming (IBT) and Advanced Coating Technologies: A Unified Approach to Wafer Uniformity for Low-Loss and Scalable PIC Applications 

Juan J. Arango (Friedrich Schiller University Jena)
Four-wave mixing in microring resonators 

Hossein Esfandiar (Fraunhofer IOF Jena)
Material-Agnostic Thin Film Crystal Platforms: Crystal Ion Slicing and Bonding  

Mario Bähr (CiS Forschungsinstitut für Mikrosensorik GmbH)
Making use of NV color centers in diamond for sensing and quantum computing applications

19:00-22:00

Evening Event

Wednesday, 03.12.2025  
9:00-11:00

Session 8: Applications of PICs

Eva Peters (QuiX Quantum B.V.)
Photonics for Quantum Computing
    
Anna Selzer (Akhetonics GmbH)
All-Optical Computing - Analog, Digital, Quantum    

Stefan Richter (Carl Zeiss AG)
PICs @ ZEISS – Applications & Solutions

Despoina Petousi (Adtran Networks SE)
Modulator Technologies for Next-Generation Coherent Pluggable Modules 

 11:00-11:15 Coffee Break 
 11:15-13:15

Session 9: Hybrid Integration and Testing

Arnan Mitchell (RMIT University)
Strip-loaded lithium niobate integrated photonic circuits    

Bart Kuyken (Ghent University)
Microtransfer printing as an enabling technology for integrated photonics    

Tobias Gnausch (Jenoptik AG)
Aligning Optical Wafer Probing with Electrical Test Methods – Needs and challenges in silicon photonics testing
    
Monika Monika (Fraunhofer IOF)
Photonic Quantum Simulation via On-Chip Waveguide Interference Networks

 13:15-14:00  Lunch Break
 14:00-15:00  Lab Tours

 

Posters

  • Coupling of Polarized Single Photons into an On-Chip Hybrid Photonic Plasmonic Cavity
    Colin Jacob (Fraunhofer IOF Jena)
  • Dispersion Compensating Silicon Nitride Waveguide Bragg Gratings for Ultrashort Pulse Compression
    Milan Sinobad (DESY Research Centre)
  • Domain Engineering in Thin-Film Lithium Niobate for Quasi-Phase-Matching Devices
    Andres Saenz Perez (Friedrich Schiller University Jena & Fraunhofer IOF Jena)
  • Electro Optic Phase Modulation in UV Regime
    Sanjeet Kumar (University of Heidelberg)
  • Engineering of maximally entangled orbital angular momentum states via path identity
    Richard Bernecker (Friedrich Schiller University Jena)
  • Fabrication of Lithium Niobate on Insulator via Ion Beam Enhanced Etching
    Muhammet Savkliyildiz (Fraunhofer IOF Jena)
  • Fiber-Coupled Waveguide SPDC Sources for Time-Resolved Hong–Ou–Mandel Interference
    Karen Lozano Mendez (Fraunhofer IOF Jena)
  • Fiber-to-Chip Coupling: Active Alignment and Precision Bonding
    Matthew Nagel (Fraunhofer IOF Jena)
  • High-dimensional frequency/time entanglement for quantum communications
    Meritxell Cabrejo Ponce (Fraunhofer IOF Jena)
  • Hybrid Coupled Mode Solvers for Nonlinear Waveguides
    Trevor Vrckovnik (Fraunhofer IOF Jena)
  • Hybrid Integration of van der Waals materials in the SiN plattform
    Sebastian Ritter (Fraunhofer IOF Jena)
  • Integration of microfabricated alkali vapor cells with PICs
    Theo Scholtes (Leibniz Institute of Photonic Technology Jena)
  • Simulation of phase-matching functions with fabrication inhomogeneities in TFLN
    Jonas Babai-Hemati (Paderborn University)
  • Temporal analysis of quantum interference between two MRRs in the CW regime
    Sabine Häussler (Fraunhofer IOF Jena)