This CWTe colloquium will host the following two speakers and presentations:

  • Nazanin Farid (TU/e, Electromagnetics Group) — Toward Millimeter-Wave Hybrid Reverberation Chambers
  • Kaan Sunnetcioglu (TU/e, Photonic Integration Group) — High speed electro-optic phase modulators on InP membrane for telecom and datacom applications

    Abstracts and presenters' bios are available below.
    We are looking forward to you joining our next colloquium.

Title: Toward Millimeter-Wave Hybrid Reverberation Chambers

Abstract: Future 6G devices will use compact, highly integrated antenna systems that must be tested over-the-air rather than through cable connections. The challenge is to reproduce the diverse conditions these devices encounter, from a clear line-of-sight connection to complex environments where signals arrive from many directions.
Hybrid reverberation chambers offer a promising solution by creating controllable conditions between these two extremes. This presentation examines how a millimeter-wave reverberation chamber can be transformed into a hybrid test environment. It discusses the associated design objectives, introduces complementary metrics for chamber characterization, and presents a unified method for estimating channel parameters and comparing laboratory measurements with real-world channel models. The results contribute to more flexible, realistic, and efficient testing of future wireless technologies.

Biografy: Nazanin Farid is completing a dual Ph.D. at Eindhoven University of Technology and Chalmers University of Technology within the EU-funded MyWave project. Her research develops over-the-air measurement and characterization methodologies for antenna systems using reverberation chambers. She was a guest researcher at Ericsson Research in Gothenburg from 2022 to 2023.

Title: High speed electro-optic phase modulators on InP membrane for telecom and datacom applications.

Abstract: Growth in telecom traffic and the rapid scaling of AI compute infrastructure are pushing optical transceivers toward ever higher symbol rates, and with them the electro-optic modulator toward ever higher bandwidth. Indium phosphide is the one material system in which a high-speed modulator can be monolithically integrated with its own on-chip laser and amplifier.
The current state of InP-based electro-optic modulators is reviewed and placed in context relative to competing platforms such as silicon photonics and thin-film lithium niobate. Recent work on InP membrane electro-optic phase modulators is then presented, covering device design, fabrication, and high-frequency characterization with possible routes to improve for future generation devices.

Biografy: Kaan Sunnetcioglu is a Ph.D. candidate in the Photonic Integration (PhI) group at Eindhoven University of Technology (TU/e). His research focuses on Indium Phosphide (InP) based high-speed electro-optic phase modulators (EOPMs) for datacom and telecom applications.

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