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Updated: Feb 13, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Quantum coherence-driven self-organized criticality and nonequilibrium light localization.

Kosmas L Tsakmakidis¹, Pankaj K Jha¹, Yuan Wang¹

¹National Science Foundation Nanoscale Science and Engineering Center, University of California, Berkeley, Berkeley, CA 94720, USA.

Science Advances

|March 21, 2018

Summary

This summary is machine-generated.

Researchers observed quantum coherence-controlled self-organized criticality in nanophotonics. This phenomenon, seen in light localization, shows robust scale-invariant behavior without fine-tuning.

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Area of Science:

Quantum Optics
Condensed Matter Physics
Nanophotonics

Background:

Self-organized criticality (SOC) is a property of complex dynamical systems driven out of equilibrium.
SOC explains phenomena across physics, geology, and biology.
Light localization in nanophotonic systems is crucial for optical device development.

Purpose of the Study:

To investigate quantum coherence-controlled self-organized criticality in a nanophotonic system.
To understand the emergence of light localization driven by photon synchronization.
To explore the role of coherent drives in inducing critical transitions.

Main Methods:

Utilized a gain-enhanced plasmonic heterostructure with a coherent drive.
Analyzed photon dynamics near the stopped-light regime with active nonlinearities.
Performed analytical calculations and full-wave Maxwell-Bloch computations.

Main Results:

Observed quantum coherence-controlled self-organized criticality leading to light localization.
Identified two first-order phase transitions: photon dynamics synchronization and inversionless lasing.
Demonstrated that light localization is robust to dissipation and fluctuations, exhibiting scale-invariant power laws.

Conclusions:

Quantum coherence can drive self-organized criticality in nanophotonic systems.
The observed light localization is a robust phenomenon characteristic of a quantum SOC regime.
This work opens new avenues for controlling light in complex quantum systems.