Mechanical Frequency and Amplitude Modulation of a Quantum Cascade Laser Integrated with a Plasmonic Nanoantenna

Authors

  • John Kohoutek,

    1. Bio-Inspired Sensors and Optoelectronics, Laboratory (BISOL), EECS, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208 USA
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  • Dibyendu Dey,

    1. Bio-Inspired Sensors and Optoelectronics, Laboratory (BISOL), EECS, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208 USA
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  • Alireza Bonakdar,

    1. Bio-Inspired Sensors and Optoelectronics, Laboratory (BISOL), EECS, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208 USA
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  • Ryan Gelfand,

    1. Bio-Inspired Sensors and Optoelectronics, Laboratory (BISOL), EECS, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208 USA
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  • Vala Fathipour,

    1. Bio-Inspired Sensors and Optoelectronics, Laboratory (BISOL), EECS, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208 USA
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  • Omer Gokalp Memis,

    1. Bio-Inspired Sensors and Optoelectronics, Laboratory (BISOL), EECS, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208 USA
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  • Hooman Mohseni

    Corresponding author
    1. Bio-Inspired Sensors and Optoelectronics, Laboratory (BISOL), EECS, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208 USA
    • Bio-Inspired Sensors and Optoelectronics, Laboratory (BISOL), EECS, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208 USA.
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Abstract

original image

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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