R. R. Jones, “Creating and probing electronic wave packets using half-cycle pulses,” Phys. Rev. Lett. 76, 3927 (1996).

A. S. Weling, B. B. Hu, N. M. Froberg, and D. H. Auston, “Generation of tunable narrow-band THz radiation from large aperture photoconducting antennas,” Appl. Phys. Lett. 64, 137 (1994).

S. R. Keiding, “THz spectroscopy in atomic, molecular and optical physics,” Comments At. Mol. Phys. 30, 37 (1994).

J. T. Darrow, D. H. Auston, and J. Morse, “Large-aperture photoconducting antennas excited by high optical fluences,” in Ultrafast Pulse Generation and Spectroscopy, T. R. Gosnell, A. J. Taylor, K. A. Nelson, and M. C. Downer, eds., Proc. SPIE 1861, 186 (1993).

N. M. Froberg, B. B. Hu, X.-C. Zhang, and D. H. Auston, “Terahertz radiation from a photoconducting antenna array,” IEEE J. Quantum Electron. 28, 2291 (1992).

D. R. Dykaar, B. I. Greene, J. F. Federici, A. F. J. Levi, L. N. Pfeiffer, and R. F. Kopf, “Log-periodic antennas for pulsed terahertz radiation,” Appl. Phys. Lett. 59, 262 (1991).

L. Xu, X.-C. Zhang, D. H. Auston, and B. Jahali, “Terahertz radiation from large aperture Si p-i-n diodes,” Appl. Phys. Lett. 59, 3357 (1991).

X.-C. Zhang, B. B. Hu, S. Xin, and D. H. Auston, “Optically induced femtosecond electromagnetic pulses from GaSb/AlSb strained-layer superlattice,” Appl. Phys. Lett. 57, 753 (1990).

X.-C. Zhang, B. B. Hu, J. T. Darrow, and D. H. Auston, “Generation of femtosecond electromagnetic pulses from semiconductor surfaces,” Appl. Phys. Lett. 56, 1011 (1990).

J. Wenbin, S. Diechi, and L. Fuming, “Distortion of femtosecond optical pulses with Gaussian spatial distribution propagating in free space,” Chin. Phys. 10, 168 (1990).

J. T. Darrow, B. B. Hu, X.-C. Zhang, and D. H. Auston, “Subpicosecond electromagnetic pulses from large-aperture photoconducting antennas,” Opt. Lett. 15, 323 (1990).

D. H. Auston, K. P. Cheung, and P. R. Smith, “Picosecond photoconducting Hertzian dipoles,” Appl. Phys. Lett. 45, 284 (1984).

A. Taflove and M. Brodwin, “Numerical solution of steady-state electromagnetic scattering problems using the time-dependent Maxwell’s equations,” IEEE Trans. Microwave Theory Tech. MTT-23, 623 (1975).

A. S. Weling, B. B. Hu, N. M. Froberg, and D. H. Auston, “Generation of tunable narrow-band THz radiation from large aperture photoconducting antennas,” Appl. Phys. Lett. 64, 137 (1994).

J. T. Darrow, D. H. Auston, and J. Morse, “Large-aperture photoconducting antennas excited by high optical fluences,” in Ultrafast Pulse Generation and Spectroscopy, T. R. Gosnell, A. J. Taylor, K. A. Nelson, and M. C. Downer, eds., Proc. SPIE 1861, 186 (1993).

N. M. Froberg, B. B. Hu, X.-C. Zhang, and D. H. Auston, “Terahertz radiation from a photoconducting antenna array,” IEEE J. Quantum Electron. 28, 2291 (1992).

L. Xu, X.-C. Zhang, D. H. Auston, and B. Jahali, “Terahertz radiation from large aperture Si p-i-n diodes,” Appl. Phys. Lett. 59, 3357 (1991).

J. T. Darrow, B. B. Hu, X.-C. Zhang, and D. H. Auston, “Subpicosecond electromagnetic pulses from large-aperture photoconducting antennas,” Opt. Lett. 15, 323 (1990).

X.-C. Zhang, B. B. Hu, J. T. Darrow, and D. H. Auston, “Generation of femtosecond electromagnetic pulses from semiconductor surfaces,” Appl. Phys. Lett. 56, 1011 (1990).

X.-C. Zhang, B. B. Hu, S. Xin, and D. H. Auston, “Optically induced femtosecond electromagnetic pulses from GaSb/AlSb strained-layer superlattice,” Appl. Phys. Lett. 57, 753 (1990).

D. H. Auston, K. P. Cheung, and P. R. Smith, “Picosecond photoconducting Hertzian dipoles,” Appl. Phys. Lett. 45, 284 (1984).

A. Taflove and M. Brodwin, “Numerical solution of steady-state electromagnetic scattering problems using the time-dependent Maxwell’s equations,” IEEE Trans. Microwave Theory Tech. MTT-23, 623 (1975).

D. H. Auston, K. P. Cheung, and P. R. Smith, “Picosecond photoconducting Hertzian dipoles,” Appl. Phys. Lett. 45, 284 (1984).

J. T. Darrow, D. H. Auston, and J. Morse, “Large-aperture photoconducting antennas excited by high optical fluences,” in Ultrafast Pulse Generation and Spectroscopy, T. R. Gosnell, A. J. Taylor, K. A. Nelson, and M. C. Downer, eds., Proc. SPIE 1861, 186 (1993).

X.-C. Zhang, B. B. Hu, J. T. Darrow, and D. H. Auston, “Generation of femtosecond electromagnetic pulses from semiconductor surfaces,” Appl. Phys. Lett. 56, 1011 (1990).

J. T. Darrow, B. B. Hu, X.-C. Zhang, and D. H. Auston, “Subpicosecond electromagnetic pulses from large-aperture photoconducting antennas,” Opt. Lett. 15, 323 (1990).

J. Wenbin, S. Diechi, and L. Fuming, “Distortion of femtosecond optical pulses with Gaussian spatial distribution propagating in free space,” Chin. Phys. 10, 168 (1990).

D. R. Dykaar, B. I. Greene, J. F. Federici, A. F. J. Levi, L. N. Pfeiffer, and R. F. Kopf, “Log-periodic antennas for pulsed terahertz radiation,” Appl. Phys. Lett. 59, 262 (1991).

D. R. Dykaar, B. I. Greene, J. F. Federici, A. F. J. Levi, L. N. Pfeiffer, and R. F. Kopf, “Log-periodic antennas for pulsed terahertz radiation,” Appl. Phys. Lett. 59, 262 (1991).

A. S. Weling, B. B. Hu, N. M. Froberg, and D. H. Auston, “Generation of tunable narrow-band THz radiation from large aperture photoconducting antennas,” Appl. Phys. Lett. 64, 137 (1994).

N. M. Froberg, B. B. Hu, X.-C. Zhang, and D. H. Auston, “Terahertz radiation from a photoconducting antenna array,” IEEE J. Quantum Electron. 28, 2291 (1992).

J. Wenbin, S. Diechi, and L. Fuming, “Distortion of femtosecond optical pulses with Gaussian spatial distribution propagating in free space,” Chin. Phys. 10, 168 (1990).

D. R. Dykaar, B. I. Greene, J. F. Federici, A. F. J. Levi, L. N. Pfeiffer, and R. F. Kopf, “Log-periodic antennas for pulsed terahertz radiation,” Appl. Phys. Lett. 59, 262 (1991).

B. B. Hu and M. C. Nuss, “Imaging with terahertz waves,” Opt. Lett. 20, 1716 (1995).

A. S. Weling, B. B. Hu, N. M. Froberg, and D. H. Auston, “Generation of tunable narrow-band THz radiation from large aperture photoconducting antennas,” Appl. Phys. Lett. 64, 137 (1994).

N. M. Froberg, B. B. Hu, X.-C. Zhang, and D. H. Auston, “Terahertz radiation from a photoconducting antenna array,” IEEE J. Quantum Electron. 28, 2291 (1992).

J. T. Darrow, B. B. Hu, X.-C. Zhang, and D. H. Auston, “Subpicosecond electromagnetic pulses from large-aperture photoconducting antennas,” Opt. Lett. 15, 323 (1990).

X.-C. Zhang, B. B. Hu, J. T. Darrow, and D. H. Auston, “Generation of femtosecond electromagnetic pulses from semiconductor surfaces,” Appl. Phys. Lett. 56, 1011 (1990).

X.-C. Zhang, B. B. Hu, S. Xin, and D. H. Auston, “Optically induced femtosecond electromagnetic pulses from GaSb/AlSb strained-layer superlattice,” Appl. Phys. Lett. 57, 753 (1990).

L. Xu, X.-C. Zhang, D. H. Auston, and B. Jahali, “Terahertz radiation from large aperture Si p-i-n diodes,” Appl. Phys. Lett. 59, 3357 (1991).

R. R. Jones, “Creating and probing electronic wave packets using half-cycle pulses,” Phys. Rev. Lett. 76, 3927 (1996).

S. R. Keiding, “THz spectroscopy in atomic, molecular and optical physics,” Comments At. Mol. Phys. 30, 37 (1994).

D. R. Dykaar, B. I. Greene, J. F. Federici, A. F. J. Levi, L. N. Pfeiffer, and R. F. Kopf, “Log-periodic antennas for pulsed terahertz radiation,” Appl. Phys. Lett. 59, 262 (1991).

D. R. Dykaar, B. I. Greene, J. F. Federici, A. F. J. Levi, L. N. Pfeiffer, and R. F. Kopf, “Log-periodic antennas for pulsed terahertz radiation,” Appl. Phys. Lett. 59, 262 (1991).

J. T. Darrow, D. H. Auston, and J. Morse, “Large-aperture photoconducting antennas excited by high optical fluences,” in Ultrafast Pulse Generation and Spectroscopy, T. R. Gosnell, A. J. Taylor, K. A. Nelson, and M. C. Downer, eds., Proc. SPIE 1861, 186 (1993).

D. R. Dykaar, B. I. Greene, J. F. Federici, A. F. J. Levi, L. N. Pfeiffer, and R. F. Kopf, “Log-periodic antennas for pulsed terahertz radiation,” Appl. Phys. Lett. 59, 262 (1991).

D. H. Auston, K. P. Cheung, and P. R. Smith, “Picosecond photoconducting Hertzian dipoles,” Appl. Phys. Lett. 45, 284 (1984).

A. Taflove and M. Brodwin, “Numerical solution of steady-state electromagnetic scattering problems using the time-dependent Maxwell’s equations,” IEEE Trans. Microwave Theory Tech. MTT-23, 623 (1975).

A. S. Weling, B. B. Hu, N. M. Froberg, and D. H. Auston, “Generation of tunable narrow-band THz radiation from large aperture photoconducting antennas,” Appl. Phys. Lett. 64, 137 (1994).

J. Wenbin, S. Diechi, and L. Fuming, “Distortion of femtosecond optical pulses with Gaussian spatial distribution propagating in free space,” Chin. Phys. 10, 168 (1990).

X.-C. Zhang, B. B. Hu, S. Xin, and D. H. Auston, “Optically induced femtosecond electromagnetic pulses from GaSb/AlSb strained-layer superlattice,” Appl. Phys. Lett. 57, 753 (1990).

L. Xu, X.-C. Zhang, D. H. Auston, and B. Jahali, “Terahertz radiation from large aperture Si p-i-n diodes,” Appl. Phys. Lett. 59, 3357 (1991).

N. M. Froberg, B. B. Hu, X.-C. Zhang, and D. H. Auston, “Terahertz radiation from a photoconducting antenna array,” IEEE J. Quantum Electron. 28, 2291 (1992).

L. Xu, X.-C. Zhang, D. H. Auston, and B. Jahali, “Terahertz radiation from large aperture Si p-i-n diodes,” Appl. Phys. Lett. 59, 3357 (1991).

J. T. Darrow, B. B. Hu, X.-C. Zhang, and D. H. Auston, “Subpicosecond electromagnetic pulses from large-aperture photoconducting antennas,” Opt. Lett. 15, 323 (1990).

X.-C. Zhang, B. B. Hu, S. Xin, and D. H. Auston, “Optically induced femtosecond electromagnetic pulses from GaSb/AlSb strained-layer superlattice,” Appl. Phys. Lett. 57, 753 (1990).

X.-C. Zhang, B. B. Hu, J. T. Darrow, and D. H. Auston, “Generation of femtosecond electromagnetic pulses from semiconductor surfaces,” Appl. Phys. Lett. 56, 1011 (1990).

D. H. Auston, K. P. Cheung, and P. R. Smith, “Picosecond photoconducting Hertzian dipoles,” Appl. Phys. Lett. 45, 284 (1984).

D. R. Dykaar, B. I. Greene, J. F. Federici, A. F. J. Levi, L. N. Pfeiffer, and R. F. Kopf, “Log-periodic antennas for pulsed terahertz radiation,” Appl. Phys. Lett. 59, 262 (1991).

X.-C. Zhang, B. B. Hu, J. T. Darrow, and D. H. Auston, “Generation of femtosecond electromagnetic pulses from semiconductor surfaces,” Appl. Phys. Lett. 56, 1011 (1990).

L. Xu, X.-C. Zhang, D. H. Auston, and B. Jahali, “Terahertz radiation from large aperture Si p-i-n diodes,” Appl. Phys. Lett. 59, 3357 (1991).

X.-C. Zhang, B. B. Hu, S. Xin, and D. H. Auston, “Optically induced femtosecond electromagnetic pulses from GaSb/AlSb strained-layer superlattice,” Appl. Phys. Lett. 57, 753 (1990).

A. S. Weling, B. B. Hu, N. M. Froberg, and D. H. Auston, “Generation of tunable narrow-band THz radiation from large aperture photoconducting antennas,” Appl. Phys. Lett. 64, 137 (1994).

J. Wenbin, S. Diechi, and L. Fuming, “Distortion of femtosecond optical pulses with Gaussian spatial distribution propagating in free space,” Chin. Phys. 10, 168 (1990).

S. R. Keiding, “THz spectroscopy in atomic, molecular and optical physics,” Comments At. Mol. Phys. 30, 37 (1994).

N. M. Froberg, B. B. Hu, X.-C. Zhang, and D. H. Auston, “Terahertz radiation from a photoconducting antenna array,” IEEE J. Quantum Electron. 28, 2291 (1992).

A. Taflove and M. Brodwin, “Numerical solution of steady-state electromagnetic scattering problems using the time-dependent Maxwell’s equations,” IEEE Trans. Microwave Theory Tech. MTT-23, 623 (1975).

A. Baltuska, Z. Wei, M. Pshenichnikov, and D. Wiersma, “Optical pulse compression to 5 fs at a 1-MHz repetition rate,” Opt. Lett. 22, 102 (1997).

B. B. Hu and M. C. Nuss, “Imaging with terahertz waves,” Opt. Lett. 20, 1716 (1995).

R. L. Fork, C. H. Brito Cruz, P. C. Becker, and C. V. Shank, “Compression of optical pulses to six femtoseconds by using cubic phase compensation,” Opt. Lett. 12, 483 (1987).

J. T. Darrow, B. B. Hu, X.-C. Zhang, and D. H. Auston, “Subpicosecond electromagnetic pulses from large-aperture photoconducting antennas,” Opt. Lett. 15, 323 (1990).

R. R. Jones, “Creating and probing electronic wave packets using half-cycle pulses,” Phys. Rev. Lett. 76, 3927 (1996).

J. T. Darrow, D. H. Auston, and J. Morse, “Large-aperture photoconducting antennas excited by high optical fluences,” in Ultrafast Pulse Generation and Spectroscopy, T. R. Gosnell, A. J. Taylor, K. A. Nelson, and M. C. Downer, eds., Proc. SPIE 1861, 186 (1993).

A. Taflove, Computational Electrodynamics: The Finite-Difference Time-Domain Method (Artech, Norwood, Mass., 1995).

R. Collin, Foundations for Microwave Engineering (McGraw-Hill, New York, 1992).

J. S. Asvestas and R. E. Kleinman, in Electromagnetic and Acoustic Scattering by Simple Shapes, J. J. Bowman, T. B. A. Senior, and P. L. E. Uslenghi, eds. (North-Holland, Amsterdam, 1969), Chap. 4, pp. 181–239.

R. H. Garnham, in Millimetre and Submillimetre Waves, F. A. Benson, ed. (Iliffe, London, 1969), Chap. 21, pp. 403–450.

R. Cheville, B. Nicholson, and D. Grischkowsky, “Compact time-domain terahertz ranging system,” in Conference on Lasers and Electro-Optics, Vol. 15 of 1995 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1995), p. 360.