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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 12 — Jun. 9, 2008
  • pp: 8433–8439

Generation of broadband radially polarized terahertz radiation directly on a cylindrical metal wire

Wenqi Zhu, Amit Agrawal, Hua Cao, and Ajay Nahata  »View Author Affiliations

Optics Express, Vol. 16, Issue 12, pp. 8433-8439 (2008)

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We demonstrate the ability to directly generate broadband THz surface plasmons via optical rectification on a cylindrical metal wire. This is accomplished by milling a single circumferential groove into the wire and overcoating it with a poled polymer that exhibits a bulk second order susceptibility. An attractive feature of this approach is the potential to generate THz pulses that are limited in duration only by the duration of the optical pump pulse. While a photoconductive detector is used in the present demonstration, we discuss further refinements to the system that should allow for significant enhancement of the nonlinear optical conversion efficiency and detection bandwidth.

© 2008 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(240.6680) Optics at surfaces : Surface plasmons
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Ultrafast Optics

Original Manuscript: April 15, 2008
Revised Manuscript: May 16, 2008
Manuscript Accepted: May 17, 2008
Published: May 23, 2008

Wenqi Zhu, Amit Agrawal, Hua Cao, and Ajay Nahata, "Generation of broadband radially polarized terahertz radiation directly on a cylindrical metal wire," Opt. Express 16, 8433-8439 (2008)

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  1. E. Ozbay, "Plasmonics: Merging photonics and electronics at nanoscale dimensions," Science 311, 189-193 (2006). [CrossRef] [PubMed]
  2. K. Wang and D. M. Mittleman, "Metal wires for terahertz wave guiding," Nature 432, 376-379 (2004). [CrossRef] [PubMed]
  3. S.A. Maier, S.R. Andrews, L. Martin-Moreno, and F.J. Garcia-Vidal, "Terahertz surface plasmon-polariton propagation and focusing on metal wires," Phys. Rev. Lett. 97, 176805 (2006). [CrossRef] [PubMed]
  4. Y. Chen, Z. Song, Y. Li, M. Hu, Q. Xing, Z. Zhang, L. Chai and C.-Y. Wang, "Effective surface plasmon polaritons on the metal wire with arrays of subwavelength grooves," Opt. Express 14, 13021-13029 (2006). [CrossRef] [PubMed]
  5. J.A. Deibel, M. Escarra, N. Berndsen, K. Wang, and D.M. Mittleman, "Finite element method simulations of guided wave phenomena at terahertz frequencies," Proc. IEEE 95, 1624-1640 (2007). [CrossRef]
  6. A. Sommerfeld, Electrodynamics (Academic Press, New York, 1952), 177-190.
  7. T.-I. Jeon, J. Zhang, and D. Grischkowsky, "THz Sommerfeld wave propagation on a single metal wire," Appl. Phys. Lett. 86, 161904/1-3 (2005). [CrossRef]
  8. H. Cao and A. Nahata, "Coupling of terahertz pulses onto a single metal wire waveguide using milled grooves," Opt. Express 13, 7028-7034 (2005). [CrossRef] [PubMed]
  9. A. Agrawal and A. Nahata, "Coupling terahertz radiation onto a metal wire using a subwavelength coaxial aperture," Opt. Express 15, 9022-9028 (2007). [CrossRef] [PubMed]
  10. G. Chang, C. J. Divin, C. -H. Liu, S. L. Williamson, A. Galvanauskas, and T. B. Norris, "Generation of radially polarized terahertz pulses via velocity-mismatched optical rectification," Opt. Lett. 32, 433-435 (2007). [CrossRef] [PubMed]
  11. A. Nahata, D.H. Auston, C. Wu, and J.T. Yardley, "Generation of terahertz radiation from a poled polymer," Appl. Phys. Lett. 67, 1358-1360 (1995). [CrossRef]
  12. A. M. Sinyukov and L. M. Hayden, "Generation and detection of terahertz radiation with multilayered electro-optic polymer films," Opt. Lett. 27, 55-57 (2002) [CrossRef]
  13. A. Nahata, "Nonlinear optical generation and detection of ultrashort electrical pulses in transmission lines," Opt. Lett. 26, 385-387 (2001). [CrossRef]
  14. H. Cao, R.A. Linke, and A. Nahata, "Broadband generation of broadband terahertz radiation in a waveguide," Opt. Lett. 29, 1751-1753 (2004). [CrossRef] [PubMed]
  15. Y. Shi, C. Zhang, H. Zhang, J. H. Bechtel, L. R. Dalton, B. H. Robinson, and W. H. Steier, "Low (sub-1-volt) halfwave voltage polymeric electro-optic modulators achieved by controlling chromophore shape," Science 288, 119-122 (2000). [CrossRef]
  16. E. M. McKenna, A. S. Lin, A. R. Mickelson, R. Dinu, and D. Jin, "Comparison of r33 values for AJ404 films prepared with parallel plate and corona poling," J. Opt. Soc. Am. B 24, 2888-2892 (2007) [CrossRef]
  17. A. Nahata, R.A. Linke, T. Ishi, and K. Ohashi, "Enhanced nonlinear optical conversion using periodically nanostructured metal films," Opt. Lett. 28, 423-425 (2003). [CrossRef] [PubMed]
  18. M. A. Ordal, L. L. Long, R. J. Bell, S. E. Bell, R. R. Bell, R. W. Alexander, Jr., and C. A. Ward, "Optical properties of the metals Al, Co, Cu, Au, Fe, Pb, Ni, Pd, Pt, Ag, Ti, and W in the infrared and far infrared," Appl. Opt. 22, 1099-1120 (1983). [CrossRef] [PubMed]
  19. A. Nahata, C. Wu, and J.T. Yardley, "Electro-optic determination of the nonlinear-optical properties of a covalently functionalized Disperse Red #1 copolymer," J. Opt. Soc. Am. B 10, 1553-1564 (1993). [CrossRef]
  20. M. Eich, A. Sen, H. Looser, G. C. Bjorklund, J. D. Swalen, R. Tweig, and D. Y Yoon, "Corona poling and real time second harmonic generation study of a novel covalently functionalized amorphous nonlinear optical polymer," J. Appl. Phys. 66, 2559-2567 (1989). [CrossRef]
  21. K.D. Singer, M.G. Kuzyk, and J.E. Sohn, "Second-order nonlinear-optical processes in orientationally ordered materials: relationship between molecular and macroscopic properties," J. Opt. Soc. Am. B 4, 968 (1987). [CrossRef]
  22. A. Nahata, A.S. Weling, and T.F. Heinz, "A wide band coherent terahertz spectroscopy system using optical rectification and electro-optic sampling," Appl. Phys. Lett. 69, 2321-2323 (1996). [CrossRef]
  23. H. Raether, Surface Plasmons on Smooth and Rough Surfaces and on Gratings, (Vol. 111 of Springer Tracts in Modern Physics, Springer-Verlag, Berlin, 1988).

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