ORCID Profile
0000-0002-5973-1460
Current Organisation
ESPCI Paris & CNRS
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Publisher: IEEE
Date: 05-2011
Publisher: AIP Publishing
Date: 22-11-2010
DOI: 10.1063/1.3519985
Abstract: We demonstrate a compact, integrated device in which surface plasmon polaritons (SPPs) are injected into a passive metal waveguide. We directly excite a SPP mode at a metal-air interface using a room-temperature midinfrared quantum cascade laser which is integrated onto the microchip. The SPP generation relies on end-fire coupling and is demonstrated via both far-field and near-field imaging techniques in the midinfrared. On one hand, a metallic diffraction grating is used to scatter in the far-field a portion of the propagating SPPs, thus allowing their detection with a microbolometer camera. On the other hand, direct images of the generated SPPs in the near-field were collected with a scanning optical microscope.
Publisher: SPIE
Date: 21-01-2012
DOI: 10.1117/12.906738
Publisher: The Optical Society
Date: 31-08-2011
DOI: 10.1364/OE.19.018155
Publisher: American Physical Society (APS)
Date: 04-06-2010
Publisher: The Optical Society
Date: 05-06-2012
DOI: 10.1364/OE.20.013738
Publisher: AIP Publishing
Date: 06-06-2011
DOI: 10.1063/1.3597411
Abstract: We report the development of a scattering-type near-field scanning optical microscope (sNSOM) which operates at temperatures down to 100 K with a scanning range of up to 400 μm. We have used this sNSOM to map the electromagnetic near-field on mid-IR and terahertz (THz) surface emitting quantum cascade lasers with photonic-crystal resonators. Mid-IR devices operate at λ=7.5 μm (40 THz) while THz devices operate at λ≈110 μm (2.7 THz). The near-field images—in agreement with numerical calculations—demonstrate an instrument resolution of 100's nm.
Location: France
No related grants have been discovered for Yannick De Wilde.