Single-mode polymer DBR lasers with two-dimensional microcavity structures

Research output: Contribution to journalArticle

Abstract

We have fabricated a polymer solid-state microstructure for optical application by two-photon-induced polymerization technique. The photopolymerization resin contains conventional laser-dye and dendrimer. A dendrimer can encapsulate the laser-dyes, limiting cluster formation and intermolecular energy transfer, and promising a high level of optical gain. The effect can be extended to prepare an optically active microstructure using the two-photon-induced polymerization technique. We fabricated a polymeric microcavity, which consisted of < 400 nm-linewidth strips arranged in layer-by-layer structure. The periodic variation in the refractive index gave rise to Bragg reflection. A laser emission was measured in the microcavity under optical excitation. The spectral linewidth was about 0.1 nm above the lasing threshold. We investigate both the material functions in the molecular scale and controlling the device structure for desired applications such as a polymer distributed feedback structure.

Original languageEnglish
Pages (from-to)135-138
Number of pages4
JournalIEICE Transactions on Electronics
VolumeE90-C
Issue number1
DOIs
Publication statusPublished - Jan 2007
Externally publishedYes

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DBR lasers
Dendrimers
Dye lasers
Microcavities
Laser modes
Linewidth
Polymers
Photons
Polymerization
Optical gain
Microstructure
Photopolymerization
Photoexcitation
Energy transfer
Refractive index
Resins
Feedback
Lasers

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Single-mode polymer DBR lasers with two-dimensional microcavity structures. / Yokoyama, Shiyoshi.

In: IEICE Transactions on Electronics, Vol. E90-C, No. 1, 01.2007, p. 135-138.

Research output: Contribution to journalArticle

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