Institute of Photonics and Quantum Electronics (IPQ)

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IPQ News 2020

Success Stories: IPQ research featured by Frankfurter Allgemeine Zeitung (FAZ)

May 2020: 16 May 2020 is the 60th Anniversary of the invention of the laser by Maiman. On this occasion, Frankfurter Allgemeine Zeitung (FAZ) has published a movie on important innovations related to laser light. Following the award of the Berthold Leibinger Innovationspreis to IPQ researchers in 2018, this movie also features our research on 3D-printed waveguides as one of such applications.

Video on YouTube

Reviewer badge 2020
Communications Physics: Philipp Trocha is Reviewer of the Month

March, 2020: Philipp Trocha, PhD candidate at the IPQ, was recognized as Reviewer of the Month March 2020 in Nature Communications Physics for his exceptional contributions to peer review. With the award, the journal highlights the importance of a critical evaluation of new research before its publication.

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optische faser
We invite you to the VDE ITG Workshop 2020!

Date:    February 18-19, 2020
Venue: Karlsruhe Institute of Technology (KIT), Institute of Photonics and Quantum Electronics (IPQ), Campus South, Bldg. 30.10., Engesserstrasse 5, 76131 Karlsruhe, Germany
Topic:   Workshop der ITG-Fachgruppe KT 3.1 Modellierung photonischer Komponenten und Systeme
Organization: Sebastian Randel (KIT, Local host)
Program (PDF, 65 KB)

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IPQ News 2019

ECOC2019 Logo
Best Student Paper Competition at ECOC2019:

September 2019: Tobias Harter and Christoph Füllner, PhD candidates at the IPQ, won the Runner Up Prize in the BestStudent Paper Competition during the European Conference on Optical Communication (ECOC2019) for their paper "Generalized Kramers-Kronig Receiver for 16QAM Wireless THz Transmission at 110 Gbit/s". Their work demonstrates a greatly simplified coherent THz receiver, which can be used for high-speed wireless communications.

Optica: Terahertz optoelectronics for future wireless networks

August 2019: Scientists at IPQ/IMT in collaboration with Fraunhofer institutes have shown a wireless THz transmission link that exploits optoelectronic processing both for signal generation at the transmitter and for coherent detection at the receiver. Using a high-speed photoconductor and a photonic local oscillator for optoelectronic down-conversion, the team has demonstrated wireless transmission at up to 30 Gbit/s over more than 50 m as well as wideband tunability of the carrier frequency between 0.03 THz and 0.34 THz. The paper appeared in the current issue of Optica.

Original publication: Optica

KIT press release: German


Nature Photonics
Nature Photonics: Terahertz-to-optical conversion for future THz communication systems

July 2019: Researchers of IPQ, IMT, and IHE in collaboration with scientists from the Fraunhofer Institute for Applied Solid State Physics (IAF) in Freiburg have demonstrated direct conversion of high-speed data signals from the terahertz (THz) domain to the optical domain using an ultra-broadband modulator. The device combines a plasmonic nanostructure with a highly efficient organic electro-optic material, offers a modulation bandwidth of more than 0.3 THz, and lends itself to high-density integration together with advanced silicon photonic circuitry. The concept of direct conversion of wireless THz data signals to optical signals offers unprecedented flexibility for integration of future THz wireless links into existing fiber-optic infrastructures.

Original publication: Nature Photonics

KIT press release: English, German

Media response: Nature Photonics