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John Kohoutek, Dibyendu Dey, Alireza Bonakdar, Ryan Gelfand, Vala Fathipour, Omer Gokalp Memis and Hooman Mohseni Mechanical Frequency and Amplitude Modulation of a Quantum Cascade Laser Integrated with a Plasmonic Nanoantenna Small 8

Version of Record online: 15 AUG 2012 | DOI: 10.1002/smll.201200800

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Antenna-integrated quantum cascade lasers are extremely attractive as a compact method to couple the vibrational resonances in the mid-infrared to nanometer-sized biomolecules in an integrated form. The high sensitivity of such devices to extreme sub-diffraction objects is demonstrated with a volume that is five orders of magnitude smaller than the cubic wavelength (λ3). This suggests a new method to sense objects with extreme sub-diffraction dimensions.

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