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Updated: Jan 17, 2026

Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Photonic-electronic arbitrary-waveform generation using quadrature multiplexing and active optical-phase

Christoph Füllner¹, Alban Sherifaj², Thomas Henauer³

¹Institute of Photonics and Quantum Electronics (IPQ), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany. christoph.fuellner@kit.edu.

Nature Communications

|September 18, 2025

Summary

This summary is machine-generated.

Researchers developed a novel photonic-electronic waveform generator. This technology overcomes electronic limitations, enabling high-bandwidth electrical signal generation for advanced applications.

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Last Updated: Jan 17, 2026

Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Area of Science:

Photonics and Electrical Engineering
High-Frequency Signal Generation

Background:

Conventional electronic digital-to-analog converters face challenges scaling to bandwidths exceeding 100 GHz.
Limitations include circuit design, packaging, and system integration complexities for high-bandwidth waveform generation.

Purpose of the Study:

To demonstrate a photonic-electronic signal processing technique for generating ultra-high bandwidth electrical waveforms.
To overcome the limitations of purely electronic waveform generation methods.

Main Methods:

Utilized quadrature multiplexing in the optical domain.
Employed phase-stabilized coherent down-conversion to the electrical domain.
Integrated photonic and electronic components for signal processing.

Main Results:

Successfully generated electrical multi-level data signals at symbol rates up to 200 GBd.
Achieved signal quality competitive with state-of-the-art electronic systems.
Demonstrated a proof-of-concept for the photonic-electronic waveform generator.

Conclusions:

The proposed photonic-electronic approach offers a viable path for waveform generation beyond current microelectronic bandwidth limits.
Leverages advancements in photonic integration technologies.
Presents an attractive solution for high-speed communications, radar, and test equipment.