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Low-power high-contrast coded waveform discrimination at 10 GHz via nonlinear processing

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8 Author(s)
Jiang, Z. ; Sch. of Electr. & Comput. Eng., Purdue Univ., West Lafayette, IN, USA ; Seo, D.S. ; Yang, S.-D. ; Leaird, D.E.
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We demonstrate ultrafast optical code-division multiple-access nonlinear waveform discrimination at 10 GHz with less than 1 mW coupled into a nonlinear periodically poled lithium niobate waveguide and greater than 20-dB contrast ratio between coded and uncoded waveforms. Excellent signal-to-noise is observed at the system receiver, pointing toward the practicability of nonlinear waveform discrimination in a system environment.

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Photonics Technology Letters, IEEE  (Volume:16 ,  Issue: 7 )