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Towards mode-locking

Researchers have demonstrated that selectively exciting ensembles of laser modes using an innovative pumping scheme can tune the emission lines of a random laser from weakly interacting to strongly correlated, thus paving the way towards the realization of mode-locked random lasers.

Heinz Kalt
News & Views11 Sept 2011
Nature Photonics

Volume: 5, P: 573-574
High Quality 3D Photonics using Nano Imprint Lithography of Fast Sol-gel Materials

Ofer Bar-On
Philipp Brenner
Jacob Scheuer
ResearchOpen Access18 May 2018
Scientific Reports

Volume: 8, P: 1-7
Co-existence of strongly and weakly localized random laser modes

Whether the electromagnetic fields in random lasers are localized or extended is a topic of ongoing debate. Now, the localization of modes in micro-structured ZnO powder is experimentally determined and lasing from both kinds of modes (localized and extended) shown to exist simultaneously.

Johannes Fallert
Roman J. B. Dietz
Heinz Kalt
Research26 Apr 2009
Nature Photonics

Volume: 3, P: 279-282
A switchable self-assembling and disassembling chiral system based on a porphyrin-substituted phenylalanine–phenylalanine motif

Artificial light-harvesting systems cannot self-assemble into photon-capturing structures that can reversibly switch into an inactive state. Here, the authors describe a simple and robust dipeptide construct which self-assembles to fibrils, platelets or nanospheres with varying optical properties.

Georgios Charalambidis
Evangelos Georgilis
Teodor Silviu Balaban
ResearchOpen Access01 Sept 2016
Nature Communications

Volume: 7, P: 1-11
Polymeric photonic molecule super-mode lasers on silicon

Tobias Grossmann
Tobias Wienhold
Timo Mappes
ResearchOpen Access24 May 2013
Light: Science & Applications

Volume: 2, P: e82
Optically controlled elastic microcavities

Assegid Mengistu Flatae
Matteo Burresi
Diederik Wiersma
ResearchOpen Access24 Apr 2015
Light: Science & Applications

Volume: 4, P: e282
Photonic molecules with a tunable inter-cavity gap

Tobias Siegle
Stefan Schierle
Heinz Kalt
ResearchOpen Access07 Sept 2016
Light: Science & Applications

Volume: 6, P: e16224

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Towards mode-locking

High Quality 3D Photonics using Nano Imprint Lithography of Fast Sol-gel Materials

Co-existence of strongly and weakly localized random laser modes

A switchable self-assembling and disassembling chiral system based on a porphyrin-substituted phenylalanine–phenylalanine motif

Polymeric photonic molecule super-mode lasers on silicon

Optically controlled elastic microcavities

Photonic molecules with a tunable inter-cavity gap

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