All-Optical Hash Code Generation and Verification for Low Latency Communications. Paquot, Y., Schröder, J., Pelusi, M. D., & Eggleton, B. J. Optics Express, 21(20):23873, September, 2013.
doi  abstract   bibtex   
We introduce an all-optical, format transparent hash code generator and a hash comparator for data packets verification with low latency at high baudrate. The device is reconfigurable and able to generate hash codes based on arbitrary functions and perform the comparison directly in the optical domain. Hash codes are calculated with custom interferometric circuits implemented with a Fourier domain optical processor. A novel nonlinear scheme featuring multiple four-wave mixing processes in a single waveguide is implemented for simultaneous phase and amplitude comparison of the hash codes before and after transmission. We demonstrate the technique with single polarisation BPSK and QPSK signals up to a data rate of 80 Gb/s.
@article{paquot2013b,
  title = {All-Optical Hash Code Generation and Verification for Low Latency Communications},
  shorttitle = {Opt. {{Express}}},
  author = {Paquot, Yvan and Schr{\"o}der, Jochen and Pelusi, Mark D. and Eggleton, Benjamin J.},
  year = {2013},
  month = sep,
  volume = {21},
  pages = {23873},
  issn = {1094-4087},
  doi = {10.1364/OE.21.023873},
  abstract = {We introduce an all-optical, format transparent hash code generator and a hash comparator for data packets verification with low latency at high baudrate. The device is reconfigurable and able to generate hash codes based on arbitrary functions and perform the comparison directly in the optical domain. Hash codes are calculated with custom interferometric circuits implemented with a Fourier domain optical processor. A novel nonlinear scheme featuring multiple four-wave mixing processes in a single waveguide is implemented for simultaneous phase and amplitude comparison of the hash codes before and after transmission. We demonstrate the technique with single polarisation BPSK and QPSK signals up to a data rate of 80 Gb/s.},
  file = {/home/jschrod/MyPcloud/ZoteroPapers/paquot_et_al_2013_all-optical_hash_code_generation_and_verification_for_low_latency_communications.pdf},
  journal = {Optics Express},
  keywords = {FWM,MyAll,MyJournals},
  number = {20}
}

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