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Title: Polymer microlasers with a suspended cavity design
Authors: Vanga, Sudheer Kumar
Nalla, Venkatram
Bettiol, Andrew A.
Keywords: DRNTU::Science::Physics::Optics and light
Issue Date: 2015
Source: Vanga, S. K., Nalla, V., & Bettiol, A. A. (2015). Polymer microlasers with a suspended cavity design. Optical materials, in press.
Series/Report no.: Optical materials
Abstract: We report on the fabrication of microlasers with suspended cavity design in a thin layer of Rhodamine B doped SU-8 polymer using proton beam writing. Optical characterization of the fabricated three-dimensional microlasers under ambient atmosphere results in low lasing threshold of 0.5 μJ/mm2, which is an improvement by factor of 2 when compared to planar microlasers. The directional behavior is also observed in whispering gallery mode microlasers with spiral cavity design. These microlasers with suspended cavity design are not only useful in reducing the lasing threshold but also have significance in 3D photonic integrated circuits.
ISSN: 0925-3467
DOI: 10.1016/j.optmat.2014.12.034
Rights: © 2015 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Optical Materials, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [Article DOI:].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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