Carbon nanotubes and optical confinement: controlling light emission in nanophotonic devices

Mathias Steiner; Fengnian Xia; Huihong Qian; Yu-Ming Lin; Achim Hartschuh; Alfred J. Meixner; Phaedon Avouris

doi:10.1117/12.801630

9 September 2008 Carbon nanotubes and optical confinement: controlling light emission in nanophotonic devices

Mathias Steiner, Fengnian Xia, Huihong Qian, Yu-Ming Lin, Achim Hartschuh, Alfred J. Meixner, Phaedon Avouris

Proceedings Volume 7037, Carbon Nanotubes and Associated Devices; 703713 (2008) https://doi.org/10.1117/12.801630
Event: NanoScience + Engineering, 2008, San Diego, California, United States

Abstract

We report here recent progress in nanophotonics with single-wall carbon nanotubes (SWNTs). A photonic model structure, the planar λ/2-microcavity, modifies the photonic density of modes at the location of the embedded SWNTs. As a result, the radiative properties of the SWNTs are modified due to the enhancement or inhibition of the microcavity-controlled spontaneous emission (scattering) rate. We use single-molecule optical microscopy and spectroscopy to investigate individual SWNTs (bundles), spatially isolated and immobilized in the photonic structure, and to measure the microcavity-controlled emission (Raman and photoluminescence) characteristics. Ultimately, we demonstrate experimentally that the integration of a field-effect transistor (FET) based on a single, semiconducting SWNT with a λ/2-microcavity results in a strong spectral and angular narrowing of the electrically excited and cavity-enhanced infrared radiation emitted by the nano-light source. Integrated nanophotonic devices based on carbon nanotubes hold great promise for application in quantum optics and optical communication.

Citation Download Citation

Mathias Steiner, Fengnian Xia, Huihong Qian, Yu-Ming Lin, Achim Hartschuh, Alfred J. Meixner, and Phaedon Avouris "Carbon nanotubes and optical confinement: controlling light emission in nanophotonic devices", Proc. SPIE 7037, Carbon Nanotubes and Associated Devices, 703713 (9 September 2008); https://doi.org/10.1117/12.801630

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