Mid-infrared direct injection and sub-wavelength focusing of designer's surface plasmons polaritons

A surface plasmon polariton (SPP) mode is directly excited on a metal/air interface using an integrated mid-infrared (MIR) quantum cascade laser. We demonstrate the SPP generation and propagation via far-field and near-field MIR imaging. We also demonstrate bending and focusing of MIR surface-plasmo...

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Bibliographic Details
Main Authors: Bousseksou, A., Tetienne, J.-P, Colombelli, R., Babuty, A., Moldovan-Doyen, I., De Wilde, Y., Beaudoin, G., Sagnes, I.
Format: Conference Proceeding
Language:English
Subjects:
Focusing
Gold
Gratings
Optical surface waves
Quantum cascade lasers
Strips
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Summary:A surface plasmon polariton (SPP) mode is directly excited on a metal/air interface using an integrated mid-infrared (MIR) quantum cascade laser. We demonstrate the SPP generation and propagation via far-field and near-field MIR imaging. We also demonstrate bending and focusing of MIR surface-plasmons using a sub-wavelength metal patterning.
ISSN:2160-8989
2160-9004