Abstract

We include transient carrier velocity dynamics in a model describing the terahertz radiation from a large-aperture, biased photoconductor triggered by an ultrashort optical pulse. Waveforms of the radiated electric field are calculated as a function of optical excitation fluence and bias field. The model is applied to terahertz generation in biased GaAs photoconductors.

© 1994 Optical Society of America

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  1. J. T. Darrow, X.-C. Zhang, D. H. Auston, J. D. Morse, IEEE J. Quantum Electron. 28, 1607 (1992).
    [CrossRef]
  2. D. You, R. R. Jones, D. R. Dykaar, P. H. Bucksbaum, Opt. Lett. 18, 290 (1993).
    [CrossRef] [PubMed]
  3. P. K. Benicewicz, A. J. Taylor, Opt. Lett. 18,1332 (1993).
    [CrossRef] [PubMed]
  4. A. J. Taylor, P. K. Benicewicz, S. M. Young, Opt. Lett. 18, 1340 (1993).
    [CrossRef] [PubMed]
  5. B. I. Greene, P. N. Saeta, D. R. Dykaar, S. Schmitt-Rink, S. L. Chuang, IEEE J. Quantum Electron. 28, 2302 (1992).
    [CrossRef]
  6. A. E. Iverson, G. M. Wysin, D. L. Smith, A. Redondo, Appl. Phys. Lett. 52, 2148 (1988).
    [CrossRef]
  7. P. K. Benicewicz, J. P. Roberts, A. J. Taylor, “Scaling of terahertz radiation from large-aperture, biased photoconductors,”J. Opt. Soc. Am. B (to be published).
  8. The data in Fig. 1 of Ref. 6 can be fitted by a mobility, μ(t, t′)> given by Eq. (4), with μf = 7500 cm2/V s and τa = 2.5 ps for Eb = 1 kV/cm, μf = 6100 cm2/V s and τa = 2 ps for Eb = 3 kV/cm, μf = 3800 cm2/V s and τa = 1.5 ps for Eb = 5 kV/cm, and μf = 1150 cm2/V s and τa = 0.25 ps for Eb = 10 kV/cm.

1993 (3)

1992 (2)

J. T. Darrow, X.-C. Zhang, D. H. Auston, J. D. Morse, IEEE J. Quantum Electron. 28, 1607 (1992).
[CrossRef]

B. I. Greene, P. N. Saeta, D. R. Dykaar, S. Schmitt-Rink, S. L. Chuang, IEEE J. Quantum Electron. 28, 2302 (1992).
[CrossRef]

1988 (1)

A. E. Iverson, G. M. Wysin, D. L. Smith, A. Redondo, Appl. Phys. Lett. 52, 2148 (1988).
[CrossRef]

Auston, D. H.

J. T. Darrow, X.-C. Zhang, D. H. Auston, J. D. Morse, IEEE J. Quantum Electron. 28, 1607 (1992).
[CrossRef]

Benicewicz, P. K.

A. J. Taylor, P. K. Benicewicz, S. M. Young, Opt. Lett. 18, 1340 (1993).
[CrossRef] [PubMed]

P. K. Benicewicz, A. J. Taylor, Opt. Lett. 18,1332 (1993).
[CrossRef] [PubMed]

P. K. Benicewicz, J. P. Roberts, A. J. Taylor, “Scaling of terahertz radiation from large-aperture, biased photoconductors,”J. Opt. Soc. Am. B (to be published).

Bucksbaum, P. H.

Chuang, S. L.

B. I. Greene, P. N. Saeta, D. R. Dykaar, S. Schmitt-Rink, S. L. Chuang, IEEE J. Quantum Electron. 28, 2302 (1992).
[CrossRef]

Darrow, J. T.

J. T. Darrow, X.-C. Zhang, D. H. Auston, J. D. Morse, IEEE J. Quantum Electron. 28, 1607 (1992).
[CrossRef]

Dykaar, D. R.

D. You, R. R. Jones, D. R. Dykaar, P. H. Bucksbaum, Opt. Lett. 18, 290 (1993).
[CrossRef] [PubMed]

B. I. Greene, P. N. Saeta, D. R. Dykaar, S. Schmitt-Rink, S. L. Chuang, IEEE J. Quantum Electron. 28, 2302 (1992).
[CrossRef]

Greene, B. I.

B. I. Greene, P. N. Saeta, D. R. Dykaar, S. Schmitt-Rink, S. L. Chuang, IEEE J. Quantum Electron. 28, 2302 (1992).
[CrossRef]

Iverson, A. E.

A. E. Iverson, G. M. Wysin, D. L. Smith, A. Redondo, Appl. Phys. Lett. 52, 2148 (1988).
[CrossRef]

Jones, R. R.

Morse, J. D.

J. T. Darrow, X.-C. Zhang, D. H. Auston, J. D. Morse, IEEE J. Quantum Electron. 28, 1607 (1992).
[CrossRef]

Redondo, A.

A. E. Iverson, G. M. Wysin, D. L. Smith, A. Redondo, Appl. Phys. Lett. 52, 2148 (1988).
[CrossRef]

Roberts, J. P.

P. K. Benicewicz, J. P. Roberts, A. J. Taylor, “Scaling of terahertz radiation from large-aperture, biased photoconductors,”J. Opt. Soc. Am. B (to be published).

Saeta, P. N.

B. I. Greene, P. N. Saeta, D. R. Dykaar, S. Schmitt-Rink, S. L. Chuang, IEEE J. Quantum Electron. 28, 2302 (1992).
[CrossRef]

Schmitt-Rink, S.

B. I. Greene, P. N. Saeta, D. R. Dykaar, S. Schmitt-Rink, S. L. Chuang, IEEE J. Quantum Electron. 28, 2302 (1992).
[CrossRef]

Smith, D. L.

A. E. Iverson, G. M. Wysin, D. L. Smith, A. Redondo, Appl. Phys. Lett. 52, 2148 (1988).
[CrossRef]

Taylor, A. J.

A. J. Taylor, P. K. Benicewicz, S. M. Young, Opt. Lett. 18, 1340 (1993).
[CrossRef] [PubMed]

P. K. Benicewicz, A. J. Taylor, Opt. Lett. 18,1332 (1993).
[CrossRef] [PubMed]

P. K. Benicewicz, J. P. Roberts, A. J. Taylor, “Scaling of terahertz radiation from large-aperture, biased photoconductors,”J. Opt. Soc. Am. B (to be published).

Wysin, G. M.

A. E. Iverson, G. M. Wysin, D. L. Smith, A. Redondo, Appl. Phys. Lett. 52, 2148 (1988).
[CrossRef]

You, D.

Young, S. M.

Zhang, X.-C.

J. T. Darrow, X.-C. Zhang, D. H. Auston, J. D. Morse, IEEE J. Quantum Electron. 28, 1607 (1992).
[CrossRef]

Appl. Phys. Lett. (1)

A. E. Iverson, G. M. Wysin, D. L. Smith, A. Redondo, Appl. Phys. Lett. 52, 2148 (1988).
[CrossRef]

IEEE J. Quantum Electron. (2)

J. T. Darrow, X.-C. Zhang, D. H. Auston, J. D. Morse, IEEE J. Quantum Electron. 28, 1607 (1992).
[CrossRef]

B. I. Greene, P. N. Saeta, D. R. Dykaar, S. Schmitt-Rink, S. L. Chuang, IEEE J. Quantum Electron. 28, 2302 (1992).
[CrossRef]

Opt. Lett. (3)

Other (2)

P. K. Benicewicz, J. P. Roberts, A. J. Taylor, “Scaling of terahertz radiation from large-aperture, biased photoconductors,”J. Opt. Soc. Am. B (to be published).

The data in Fig. 1 of Ref. 6 can be fitted by a mobility, μ(t, t′)> given by Eq. (4), with μf = 7500 cm2/V s and τa = 2.5 ps for Eb = 1 kV/cm, μf = 6100 cm2/V s and τa = 2 ps for Eb = 3 kV/cm, μf = 3800 cm2/V s and τa = 1.5 ps for Eb = 5 kV/cm, and μf = 1150 cm2/V s and τa = 0.25 ps for Eb = 10 kV/cm.

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