Strongly linearly polarized low threshold lasing of all organic photonic quasicrystals

Strongly linearly polarized low threshold lasing of all organic photonic quasicrystals

Lasing is obtained from a two-dimensional (2D) Penrose photonic quasicrystal made of a low index contrast material of holographic polymer dispersed liquid crystals (H-PDLCs) that enables a substantial reduction in the optical pumping threshold. This lasing architecture further allows for excellent l...

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Bibliographic Details
Main Authors: Yang, H. Z., Ji, W., Luo, Dewei, Du, Qing Guo, Dai, Haitao, Demir, Hilmi Volkan, Sun, Xiaowei
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2013
Subjects:
DRNTU::Engineering::Electrical and electronic engineering::Electronic systems::Signal processing
Online Access:https://hdl.handle.net/10356/95884
http://hdl.handle.net/10220/10006
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Institution: Nanyang Technological University
Language: English
Description
Summary:Lasing is obtained from a two-dimensional (2D) Penrose photonic quasicrystal made of a low index contrast material of holographic polymer dispersed liquid crystals (H-PDLCs) that enables a substantial reduction in the optical pumping threshold. This lasing architecture further allows for excellent linear polarization characteristics as well as wide directional dependence. The pumping threshold is fivefold lower than that obtained from the 2D defect-free photonic crystals fabricated under similar conditions. These properties make H-PDLC photonic quasicrystal promising for a new type of all organic miniature lasers.

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