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Updated: Jul 4, 2026

Determination of the Photoisomerization Quantum Yield of a Hydrazone Photoswitch
Published on: February 7, 2022
Clusters and switchers in globally coupled photochemical oscillators
Annette F Taylor1, Panagiotis Kapetanopoulos, Benjamin J Whitaker
1School of Chemistry, University of Leeds, Leeds LS2 9JT, United Kingdom. A.F.Taylor@leeds.ac.uk
Abstract:
We experimentally investigate the transition to synchronization in a population of photochemical oscillators with weak global coupling. Above a critical coupling strength the oscillators join a one-phase group or two-phase clusters. The number of oscillators in each cluster depends on the initial phase distribution, and irregular switching of oscillators between clusters is observed. The fully synchronized state emerges above a second critical coupling strength. In agreement with earlier theory, the experiments demonstrate the importance of population heterogeneity in cluster multistability.
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