Abstract

We demonstrate a novel approach for coupling freely propagating THz pulses onto a metal wire waveguide utilizing grooves fabricated directly into the metal. Using broadband THz pulses incident on the wire, we use metal segments containing zero, one, three, and eight uniformly spaced grooves to launch surface propagating multi-cycle pulses along the wire. We observe a one-to-one correspondence between the groove number and the number of oscillations in the THz waveform radiated from the end of the waveguide. We further demonstrate that this coupled radiation is radially polarized. Although the cross-sectional parameters of the grooves are identical in the present measurements, alteration of the individual grooves in a controlled manner should allow for arbitrarily shaped THz pulses to be launched on the waveguide.

© 2005 Optical Society of America

PDF Article

References

  • View by:
  • |

  1. R. Mendis and D. Grischkowsky, "Plastic ribbon THz waveguides," J. Appl. Phys. 88, 4449-4451 (2000).
    [CrossRef]
  2. S. P. Jamison, R. W. McGowan, and D. Grischkowsky, "Single-mode waveguide propagation and reshaping of sub-ps terahertz pulses in sapphire fiber," Appl. Phys. Lett. 76, 1987-1989 (2000).
    [CrossRef]
  3. G. Gallot, S. P. Jamison, R. W. McGowan, and D. Grischkowsky, "Terahertz waveguides," J. Opt. Soc. Am. B 17, 851-863 (2000).
  4. H. Han, H. Park, M. Cho, and J. Kim, "Terahertz pulse propagation in a plastic photonic crystal fiber," Appl. Phys. Lett. 80, 2634-2636 (2002).
    [CrossRef]
  5. M. Goto, A. Quema, H. Takahashi, S. Ono, and N. Sarukura, "Teflon photonic crystal fiber as terahertz waveguide," Jpn. J. Appl. Phys. 43, L317-L319 (2004).
    [CrossRef]
  6. R. W. McGowan, G. Gallot, and D. Grischkowsky, "Propagation of ultrawideband short pulses of THz radiation through submillimeter-diameter circular waveguides," Opt. Lett. 24, 1431-1433 (1999).
  7. R. Mendis and D. Grischkowsky, "Undistorted guided-wave propagation of subpicosecond terahertz pulses," Opt. Lett. 26, 846-848 (2001).
  8. S. Coleman and D. Grischkowsky, "A THz transverse electromagnetic mode two dimensional interconnect layer incorporating quasi-optics," Appl. Phys. Lett. 83, 3656-3658 (2003).
    [CrossRef]
  9. J. A. Harrington, R. George, P. Pedersen, and E. Mueller, "Hollow polycarbonate waveguides with inner Cu coatings for delivery of terahertz radiation," Opt. Express 12, 5263-5268 (2004), <a href= "http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-21-5263.">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-21-5263.</a>
    [CrossRef]
  10. S. Coleman and D. Grischkowsky, "Parallel plate THz transmitter," Appl. Phys. Lett. 84, 654 (2004).
    [CrossRef]
  11. H. Cao, R.A. Linke, and A. Nahata, �??Broadband generation of terahertz radiation in a waveguide,�?? Appl. Phys. Lett. 29, 1751-1753 (2004).
  12. R.E. Collin, Field Theory of Guided Waves (New York: IEEE, 1991).
  13. K. Wang and D. M. Mittleman, "Metal wires for terahertz wave guiding," Nature 432, 376-379 (2004).
    [CrossRef]
  14. 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]
  15. Q. Cao and J. Jahns, "Azimuthally polarized surface plasmons as effective terahertz waveguides," Opt. Express 13, 511-518 (2005), <a href= "http://www.opticsexpress.org/abstract.cfm?URI=OPEX-13-2-511.">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-13-2-511.</a>
    [CrossRef]
  16. A. Sommerfeld, Electrodynamics (Academic, New York, 1952), pp. 177-190.
  17. G. Goubau, "Surface waves and their application to transmission lines," J. Appl. Phys. 21, 1119-1128 (1950).
    [CrossRef]
  18. F. Sobel, F.L. Wentworth, and J.C. Wiltse, �??Quasi-optical surface waveguide and other components for the 100-to 300-Gc region,�?? IRE Trans. Microwave Theory Tech. 9, 512-518 (1961).
    [CrossRef]
  19. G. Goubau, �??Single-conductor surface-wave transmission lines,�?? Proc. IRE 39, 619-623 (1951).
  20. K. Alonso and M.J. Hagmann, �??Comparison of three different methods for coupling of microwave and terahertz signals generated by resonant laser-assisted field emission,�?? J. Vac. Sci. Technol. B 19, 68-71 (2001).
    [CrossRef]
  21. H. Cao, A. Agrawal, and A. Nahata, "Controlling the transmission resonance lineshape of a single subwavelength aperture," Opt. Express 13, 763-769 (2005), <a href= "http://www.opticsexpress.org/abstract.cfm?URI=OPEX-13-3-763">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-13-3-763</a>
    [CrossRef]
  22. A. Agrawal, H. Cao, and A. Nahata, "Time-domain analysis of enhanced transmission through a single subwavelength aperture," Opt. Express 13, 3535-3542 (2005), <a href= "http://www.opticsexpress.org/abstract.cfm?URI=OPEX-13-9-3535.">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-13-9-3535.</a>
    [CrossRef]
  23. A. Agrawal, H. Cao, and A. Nahata, "Excitation and scattering of surface plasmon-polaritons on structured metal films and their application to pulse shaping and enhanced transmission," New J. Phys. (submitted).
  24. R. Gordon, A.G. Brolo, A. McKinnon, A. Rajora, B. Leatham, and K.L. Kavanagh, �??Strong polarization in the optical transmission through elliptical nanohole arrays,�?? Phys. Rev. Lett. 92, 037401 (2004).
    [CrossRef]

Appl. Phys. Lett. (6)

S. P. Jamison, R. W. McGowan, and D. Grischkowsky, "Single-mode waveguide propagation and reshaping of sub-ps terahertz pulses in sapphire fiber," Appl. Phys. Lett. 76, 1987-1989 (2000).
[CrossRef]

S. Coleman and D. Grischkowsky, "A THz transverse electromagnetic mode two dimensional interconnect layer incorporating quasi-optics," Appl. Phys. Lett. 83, 3656-3658 (2003).
[CrossRef]

S. Coleman and D. Grischkowsky, "Parallel plate THz transmitter," Appl. Phys. Lett. 84, 654 (2004).
[CrossRef]

H. Cao, R.A. Linke, and A. Nahata, �??Broadband generation of terahertz radiation in a waveguide,�?? Appl. Phys. Lett. 29, 1751-1753 (2004).

H. Han, H. Park, M. Cho, and J. Kim, "Terahertz pulse propagation in a plastic photonic crystal fiber," Appl. Phys. Lett. 80, 2634-2636 (2002).
[CrossRef]

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]

IRE Trans. Microwave Theory Tech. (1)

F. Sobel, F.L. Wentworth, and J.C. Wiltse, �??Quasi-optical surface waveguide and other components for the 100-to 300-Gc region,�?? IRE Trans. Microwave Theory Tech. 9, 512-518 (1961).
[CrossRef]

J. Appl. Phys. (2)

R. Mendis and D. Grischkowsky, "Plastic ribbon THz waveguides," J. Appl. Phys. 88, 4449-4451 (2000).
[CrossRef]

G. Goubau, "Surface waves and their application to transmission lines," J. Appl. Phys. 21, 1119-1128 (1950).
[CrossRef]

J. Opt. Soc. Am. B (1)

J. Vac. Sci. Technol. B (1)

K. Alonso and M.J. Hagmann, �??Comparison of three different methods for coupling of microwave and terahertz signals generated by resonant laser-assisted field emission,�?? J. Vac. Sci. Technol. B 19, 68-71 (2001).
[CrossRef]

Jpn. J. Appl. Phys. (1)

M. Goto, A. Quema, H. Takahashi, S. Ono, and N. Sarukura, "Teflon photonic crystal fiber as terahertz waveguide," Jpn. J. Appl. Phys. 43, L317-L319 (2004).
[CrossRef]

Nature (1)

K. Wang and D. M. Mittleman, "Metal wires for terahertz wave guiding," Nature 432, 376-379 (2004).
[CrossRef]

New J. Phys. (1)

A. Agrawal, H. Cao, and A. Nahata, "Excitation and scattering of surface plasmon-polaritons on structured metal films and their application to pulse shaping and enhanced transmission," New J. Phys. (submitted).

Opt. Express (4)

Opt. Lett. (2)

Phys. Rev. Lett. (1)

R. Gordon, A.G. Brolo, A. McKinnon, A. Rajora, B. Leatham, and K.L. Kavanagh, �??Strong polarization in the optical transmission through elliptical nanohole arrays,�?? Phys. Rev. Lett. 92, 037401 (2004).
[CrossRef]

Proc. IRE (1)

G. Goubau, �??Single-conductor surface-wave transmission lines,�?? Proc. IRE 39, 619-623 (1951).

Other (2)

A. Sommerfeld, Electrodynamics (Academic, New York, 1952), pp. 177-190.

R.E. Collin, Field Theory of Guided Waves (New York: IEEE, 1991).

Cited By

OSA participates in CrossRef's Cited-By Linking service. Citing articles from OSA journals and other participating publishers are listed here.

Alert me when this article is cited.


Metrics