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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 5 — Mar. 2, 2009
  • pp: 3941–3950

Bound electronic and free carrier nonlinearities in Silicon nanocrystals at 1550nm

R. Spano, N. Daldosso, M. Cazzanelli, L. Ferraioli, L. Tartara, J. Yu, V. Degiorgio, E. Jordana, J. M. Fedeli, and L. Pavesi  »View Author Affiliations

Optics Express, Vol. 17, Issue 5, pp. 3941-3950 (2009)

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We present a detailed investigation of the different processes responsible for the optical nonlinearities of silicon nanocrystals at 1550 nm. Through z-scan measurements, the bound-electronic and excited carrier contributions to the nonlinear refraction were measured in presence of two-photon absorption. A study of the nonlinear response at different excitation powers has permitted to determine the change in the refractive index per unit of photo-excited carrier density σr and the value of the real bound-electronic nonlinear refraction n2be as a function of the nanocrystals size. Moreover at high excitation power, a saturation of the nonlinear absorption was observed due to band-filling effects.

© 2009 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.3270) Nonlinear optics : Kerr effect

ToC Category:
Nonlinear Optics

Original Manuscript: December 1, 2008
Revised Manuscript: January 22, 2009
Manuscript Accepted: January 23, 2009
Published: February 27, 2009

Rita Spano, Nicola Daldosso, Massimo Cazzanelli, Luigi Ferraioli, Luca Tartara, Jin Yu, Vittorio Degiorgio, Emmanuel Giordana, Jean M. Fedeli, and Lorenzo Pavesi, "Bound electronic and free carrier nonlinearities in Silicon nanocrystals at 1550nm," Opt. Express 17, 3941-3950 (2009)

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  1. G. Vijaya Prakash, M. Cazzanelli, Z. Gaburro, L. Pavesi, F. Iacona, G. Franzò, and F. Priolo, "Nonlinear optical properties of silicon nanocrystals grown by plasma-enhanced chemical vapor deposition," J. Appl. Phys. 91, 4607-4610 (2002). [CrossRef]
  2. S. Hernández, P. Pellegrino, A. Martínez, Y. Lebour, B. Garrido, R. Spano, M. Cazzanelli, N. Daldosso, L. Pavesi, E. Jordana, and J. M. Fedeli, "Linear and non-linear optical properties of Si nanocrystals in SiO2 deposited by PECVD," J. Appl. Phys. 103, 064309 (2008). [CrossRef]
  3. L. Pavesi and G. Guillot, eds., Optical interconnects, (Springer Series in Optical Sciences) Vol. 119.
  4. P. Sanchis, J. Blasco, A. Martinez and J. Martì, "Design of Silicon-Based Slot Waveguide Configurations for Optimum Nonlinear Performance," J. Lightwave Technol. 25, 1298-1305, (2007). [CrossRef]
  5. P. Sanchis, F. Cuesta-Soto, J. Blasco, J. García, A. Martínez, J. Marti, F. Riboli, and L. Pavesi, "All-optical MZI XOR logic gate based on Si slot waveguides filled by Si-nc embedded in SiO2," Group IV Photonics 3rd IEEE International Conference on, 81-83 (2006).
  6. A. Martínez, J. Blasco, P. Sanchis, R. Spano, J. V. Galán, J. García, J. M. Martínez, E. Jordana, P. Gautier, Y. Lebour, R. Guider, P. Pellegrino, S. Hernández, N. Daldosso, B. Garrido, J. M. Fedeli, L. Pavesi, and J. Martí, "Ultrafast all-optical switching on a CMOS silicon chip," submitted to Nat. Photonics.
  7. L. Ferraioli, P. Bellutti, N. Daldosso, V. Mulloni, and L. Pavesi, "Nitrogen Influence on the Photoluminescence Properties of Silicon Nanocrystals," Mater. Res. Soc. Symp. Proc. 958, 0958-L07-10.
  8. F. Iacona, G. Franzò, and C. Spinella, '"Correlation between luminescence and structural properties of Si nanocrystals," J. Appl. Phys. 87, 1295-1303 (2000). [CrossRef]
  9. F. Iacona, C. Bongiorno, C. Spinella, S. Boninelli, and F. Priolo, "Formation and evolution of luminescent Si nanoclusters produced by thermal annealing of SiOx films," J. Appl. Phys. 95, 3723-3732 (2004). [CrossRef]
  10. M. Sheik-Bahae, A. A. Said, T.-H. Wei, D. A. Hagan, and E. W. Van Stryland, "Sensitive Measurements of Optical Nonlinearities using a Single Beam," IEEE J. Quantum Electron. 26, 760-769 (1990). [CrossRef]
  11. R. Spano, M. Cazzanelli, N. Daldosso, Z. Gaburro, L. Ferraioli, L. Tartara, J. Yu, V. Degiorgio, S. Hernandez, Y. Lebour, P. Pellegrino, B. Garrido, E. Jordana, J. M. Fedeli, and L. Pavesi, '"Non-linear optical properties of Si Nanocrystals," Mater. Res. Soc. Symp. Proc. 958, L08-06(2007).
  12. Q. Lin, J. Zhan, G. Piredda, R.W. Boyd, P. M. Fauchet, G. P. Agrawal, "Dispersion of silicon nonlinearities in the near infrared region," Appl. Phys. Lett. 91, 021111 (2007). [CrossRef]
  13. R. L. Sutherland, ed., Handbook of Nonlinear Optics (Marcel Dekker, New York, 2003), pp. 465, 688.
  14. R. Adair, L. L. Chase, and S. Payne, "Nonlinear refractive index of optical crystals," Phys. Rev. B 39, 3337-3350 (1989). [CrossRef]
  15. W. P. Zang, J. G. Tian, Z. B. Liu, W. Y. Zhou, C. P. Zhang, and G. Y. Zhang, "Study on Z-scan characteristics of cascaded nonlinear media," Appl. Phys. B 77, 529-533 (2003). [CrossRef]
  16. D. O. CaplanG. S. Canter, and P. Kumar, "Characterization of dynamic optical nonlinearities by continuous time-resolved Z-scan," Opt. Lett. 21, 1342-1344, (1996). [CrossRef] [PubMed]
  17. C. Garcia, B. Garrido, P. Pellegrino, R. Ferre, J. A. Moreno, J. R. Morante, L. Pavesi, and M. Cazzanelli, "Size dependence of lifetime and absorption cross-section of Si nanocrystals embedded in SiO2," Appl. Phys. Lett. 82, 1595-1597 (2003). [CrossRef]
  18. Ö. Boyraz, P. Koonath, V. Raghunathan, and B. Jalali, "All optical switching and continuum generation in silicon waveguides," Opt. Express 12, 4094-4102 (2004), http://www.opticsinfobase.org/DirectPDFAccess/01BFA884-BDB9-137E-C3FECFACD82C4E55_80903.pdf?da=1&id=80903&seq=0&CFID=3010471&CFTOKEN=82361634 [CrossRef] [PubMed]
  19. A. A. Said, M. Sheik-Bahae, D. J. Hagan, T. H. Wei, J. Wang, J. Young, and E. W. Van Stryland, "Determination of bound-electronic and free-carrier nonlinearities in ZnSe, GaAs, CdTe, and ZnTe," J. Opt. Soc. Am. B 9, 405-414 (1991). [CrossRef]
  20. K. Ogusu and K. Shinkawa, "Optical nonlinearities in silicon for pulse durations of the order of nanosecond at 1.06 μm," Opt. Express 16, 14780-14791 (2008). [CrossRef] [PubMed]
  21. M. Dinu, F. Quochi, and H. Garcia, '"hird-order nonlinearities in silicon at telecom wavelengths," Appl. Phys. Lett. 82, 2954-2956 (2003). [CrossRef]

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