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Updated: Sep 20, 2025

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Coherent photonic Terahertz transmitters compatible with direct comb modulation.

Luis Gonzalez-Guerrero¹, Guillermo Carpintero²

¹Grupo de Optoelectronica y Tecnologia Laser (GOTL), Universidad Carlos III de Madrid, 28911, Madrid, Spain. lgguerre@ing.uc3m.es.

Scientific Reports

|June 10, 2022

Summary

We developed a new single-path method for coherent photonic terahertz (THz) systems. This approach simplifies complex modulation, enhances RF power, and avoids common issues like phase decorrelation.

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Author Correction: Coherent photonic Terahertz transmitters compatible with direct comb modulation.

Scientific reports·2022

Area of Science:

Photonics
Terahertz (THz) technology
Optical communications

Background:

Coherent photonic THz systems are crucial for high-speed communications.
Current systems face challenges such as phase decorrelation, power loss, and complex matching circuits.

Purpose of the Study:

To introduce a novel, simplified approach for coherent photonic THz systems.
To overcome limitations of existing multi-path implementations.
To enable complex modulation schemes with improved performance.

Main Methods:

A single optical path design is proposed, eliminating the need for multiple optical components.
The scheme is demonstrated to be compatible with direct modulation of optical frequency combs.
Avoidance of demultiplexing two tones from the comb is a key feature.

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Generation and Coherent Control of Pulsed Quantum Frequency Combs

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Main Results:

The novel approach successfully supports complex modulation in photonic THz systems.
Significant reduction in system complexity by eliminating phase decorrelation and power loss issues.
Demonstrated compatibility with direct modulation of optical frequency combs.

Conclusions:

The proposed single-path scheme offers a more robust and efficient solution for coherent photonic THz systems.
This advancement simplifies system design and enhances transmitted RF power.
The method paves the way for more advanced THz communication technologies.