An Organic Microlaser Array Based on a Lateral Microcavity of a Single J-aggregation Microbelt

A laser array on the nano‐ and microscale is a key component for integration in photonic devices, but remains a challenge when using semiconductor nanowire lasers. Here we report a low‐threshold lateral‐cavity microlaser, formed between two lateral‐faces of a single‐crystalline organic microbelt (OM...

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Bibliographic Details
Published in:Angewandte Chemie 2015-06, Vol.127 (24), p.7143-7147
Main Authors: Liao, Qing, Jin, Xue, Zhang, Haihua, Xu, Zhenzhen, Yao, Jiannian, Fu, Hongbing
Format: Article
Language:English
Subjects:
Arrays
Chemistry
Coherent light
Cutting
Laseranordnungen
Lasers
Microcavities
Microlasers
Nanostructure
Nanostrukturen
Nanotechnologie
Photochemie
Photonische Funktionseinheiten
Reproducibility
Semiconductors
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Summary:A laser array on the nano‐ and microscale is a key component for integration in photonic devices, but remains a challenge when using semiconductor nanowire lasers. Here we report a low‐threshold lateral‐cavity microlaser, formed between two lateral‐faces of a single‐crystalline organic microbelt (OMB) of 1,4‐dimethoxy‐2,5‐di[4′‐(cyano)styryl]benzene (COPV). By cutting a single OMB into six pieces by a top‐down two‐photon processing technique, we successfully fabricated a compact and uniform 1×6 microlaser array along the length direction of the OMB. The microlasers had excellent reproducibility and addressable high precision, thus making them attractive candidates as miniaturized coherent light sources for future nanophotonics. Lichterketten: Ein organischer Mikrolaser mit niedriger Schwelle auf der Grundlage eines einkristallinen organischen Mikrogürtels wurde entwickelt. Wurde ein Mikrogürtel mithilfe einer Zwei‐Photonen‐Technik in sechs Teile zerschnitten, so resultierte reproduzierbar eine kompakte 1×6‐Mikrolaserkette. Dieser Ansatz könnte die Grundlage für zukünftige miniaturisierte Lichtquellen und Nanophotonik bilden.
ISSN:0044-8249
1521-3757
DOI:10.1002/ange.201501060