Optical and Quantum Electronics

, Volume 40, Issue 5–6, pp 425–430 | Cite as

Demonstration of 10 Gbps, all-optical encryption and decryption system utilizing SOA XOR logic gates

  • Young Jin Jung
  • Chang Wan Son
  • Seok Lee
  • Sangkeun Gil
  • Hyung Seok Kim
  • Namkyoo ParkEmail author


An all-optical encryption system built on the basis of electrical logic circuit design principles is proposed, using semiconductor optical amplifier (SOA) exclusive or (XOR) logic gates. Numerical techniques (steady-state and dynamic) were employed in a sequential manner to optimize the system parameters, speeding up the overall design process. The results from both numerical and experimental testbeds show that the encoding/decoding of the optical signal can be achieved at a 10 Gbps data rate with a conventional SOA cascade without serious degradation in the data quality.


Cross gain modulation Numerical simulation Semiconductor optical amplifier XOR encryption 


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. Barrios C.A., Lipson M.: Silicon photonic read-only memory. J. Lightwave Technol. 24(7), 2898–2905 (2006)CrossRefADSGoogle Scholar
  2. Buskila O., Eyal A., Shtaif M.: Secure communication in fiber optic systems via transmission of broadband optical noise. Opt. Exp. 16(5), 3383–3396 (2008)CrossRefADSGoogle Scholar
  3. Davis M.G., O’Dowd R.F.: A transfer matrix method based large-signal dynamic model for multielectrode DFB lasers. IEEE J. Quant. Electron. 30(8), 2458–2466 (1994)CrossRefADSGoogle Scholar
  4. Froehlich F.F., Price C.H., Turpin T.M., Cooke J.A.: All-optical encryption for links at 10 Gbps and above. IEEE MILCOM 4, 2158–2164 (2005)Google Scholar
  5. Jung Y.J., Kim P., Park J., Park N.: Integral equation approach for the analysis of high-power semiconductor optical amplifiers. Opt. Exp. 14(6), 2398–2403 (2006)CrossRefADSGoogle Scholar
  6. Jung Y.J., Park J., Park N.: Wavelength-transparent nonlinear optical gate based on self-seeded gain modulation in folded tandem-SOA. Opt. Exp. 15(8), 4929–4934 (2007)CrossRefADSGoogle Scholar
  7. Kim J.H., Jhon Y.M., Byun Y.T., Lee S., Woo D.H., Kim S.H.: All-optical XOR gate using semiconductor optical amplifiers without additional input beam. IEEE Photon. Technol. Lett. 14(10), 1436–1438 (2002)CrossRefGoogle Scholar
  8. Lee H., Yoon H., Kim Y., Jeong J.: Theoretical study of frequency chirping and extinction ratio of wavelength-converted optical signals by XGM and XPM using SOA’s. IEEE. J. Quant. Electron. 35(8), 1213–1219 (1999)CrossRefADSGoogle Scholar
  9. Mirasso C.R.: Chaotic optical communications. IEEE LEOS Newsl. 19(1), 12–14 (2005)Google Scholar
  10. Schneier, B.: Applied Cryptography, 2nd edn. John Wiley & Sons, (1996)Google Scholar
  11. Summerfield M.A., Tucker R.S.: Frequency-domain model of multiwave mixing in bulk semiconductoroptical amplifiers. IEEE J. Select. Topics Quant. Electron. 5(3), 839–850 (1999)CrossRefGoogle Scholar
  12. Valley G.C.: Photonic analog-to-digital converters. Opt. Exp. 15(5), 1955–1982 (2007)CrossRefADSGoogle Scholar
  13. Wang Q., Zhu G., Chen H., Jaques J., Leuthold J., Piccirilli A.B., Dutta N.K.: Study of all-optical XOR using Mach-Zehnder Interferometer and differential scheme. IEEE J. Quant. Electron. 40, 703–710 (2004)CrossRefADSGoogle Scholar
  14. Zhang M., Wang L., Ye P.: All optical XOR logic gates: technologies and experiment demonstrations. IEEE Commun. Mag. 43(5), s19–s24 (2005)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media, LLC. 2008

Authors and Affiliations

  • Young Jin Jung
    • 1
  • Chang Wan Son
    • 2
  • Seok Lee
    • 2
  • Sangkeun Gil
    • 3
  • Hyung Seok Kim
    • 4
  • Namkyoo Park
    • 1
    Email author
  1. 1.Department of Electrical Engineering & Computer ScienceSeoul National UniversitySeoulKorea
  2. 2.Photonics Research CenterKorea Institute of Science and TechnologySeoulKorea
  3. 3.Photonics & Optical Information LaboratorySuwon UniversityGyeunggi-doKorea
  4. 4.Department of Information & Communication EngineeringSejong UniversitySeoulKorea

Personalised recommendations