Abstract

Mid- to far-infrared (IR) ultrashort pulses were generated using the organic nonlinear optical crystal 4-dimethylamino-N-methyl-4-stilbazolium tosylate. Frequency downconversion was performed by difference frequency generation (DFG) between the signal and idler pulses from an optical parametric amplifier. By the use of a noncollinear configuration in DFG, the phase matching condition was satisfied for pulse generation in the mid-IR and far-IR ranges. At a noncollinear angle of 0.7° between the signal and idler pulses, IR pulses with spectra extending from 8 to 30 THz were generated. The pulse energy and the temporal duration were estimated to be 300 nJ and 250 fs, respectively, for a signal wavelength of 1540 nm and a noncollinear angle of 0.7°.

© 2010 Optical Society of America

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  1. R. A. Kaindl, M. Wurm, K. Reimann, P. Hamm, A. M. Weiner, and M. Woerner, “Generation, shaping, and characterization of intense femtosecond pulses tunable from 3 to 20 μm,” J. Opt. Soc. Am. B 17, 2086–2094 (2000).
    [CrossRef]
  2. C. Kübler, R. Huber, and A. Leitenstorfer, “Ultrabroadband terahertz pulses: generation and field-resolved detection,” Semicond. Sci. Technol. 20, S128–S133 (2005).
    [CrossRef]
  3. T. A. Liu, M. Tani, M. Nakajima, M. Hangyo, and C. L. Pan, “Ultrabroadband terahertz field detection by photoconductive antennas based on multi-energy arsenic-ion-implanted GaAs and semi-insulating GaAs,” Appl. Phys. Lett. 83, 1322–1324 (2003).
    [CrossRef]
  4. K. Reimann, R. P. Smith, A. M. Weiner, T. Elsaesser, and M. Woerner, “Direct field-resolved detection of terahertz transients with amplitudes of megavolts per centimeter,” Opt. Lett. 28, 471–473 (2003).
    [CrossRef] [PubMed]
  5. C. W. Chen, Y. K. Hsu, J. Y. Huang, C. S. Chang, J. Y. Zhang, and C. L. Pan, “Generation properties of coherent infrared radiation in the optical absorption region of GaSe crystal,” Opt. Express 14, 10636–10644 (2006).
    [CrossRef] [PubMed]
  6. H. Nakanishi, H. Matsuda, S. Okada, and M. Kato, “Organic polymeric-ion complexes for nonlinear optics,” in Proceedings of the MRS International Meeting on Advanced Materials (Material Research Society, 1989), Vol. 1, pp. 97–104.
  7. S. R. Marder, J. W. Perry, and W. P. Schaefer, “Synthesis of organic salts with large second-order optical nonlinearities,” Science 245, 626–628 (1989).
    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
  15. Y. Takahashi, H. Adachi, T. Taniuchi, M. Takagi, Y. Hosokawa, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, H. Masuhara, T. Sasaki, and H. Nakanishi, “Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation,” J. Photochem. Photobiol., A 183, 247–252 (2006).
    [CrossRef]
  16. M. Jazbinsek, L. Mutter, and P. Günter, “Photonic applications with the organic nonlinear optical crystal DAST,” IEEE J. Sel. Top. Quantum Electron. 14, 1298–1311 (2008).
    [CrossRef]
  17. A. Schneider, M. Neis, M. Stillhart, B. Ruiz, R. U. A. Khan, and P. Günter, “Generation of terahertz pulses through optical rectification in organic DAST crystals: theory and experiment,” J. Opt. Soc. Am. B 23, 1822–1835 (2006).
    [CrossRef]
  18. M. Ashida, “Ultra-broadband terahertz wave detection using photoconductive antenna,” Jpn. J. Appl. Phys. 47, 8221–8225 (2008).
    [CrossRef]
  19. H. Ito, K. Miyamoto, and H. Minamide, “Ultra-broadband, frequency-agile THz-wave generator and its applications,” in Proceedings of Advanced Solid-State Photonics (2008), paper WD1.
  20. Y. Mori, Y. Takahashi, T. Iwai, M. Yoshimura, Y. K. Yap, and T. Sasaki, “Slope nucleation method for the growth of high-quality 4-dimethylamino-methyl-4-stilbazolium-tosylate (DAST) crystals,” Jpn. J. Appl. Phys., Part 2 39, L1006–L1008 (2000).
    [CrossRef]
  21. S. Brahadeeswaran, S. Onduka, M. Takagi, Y. Takahashi, H. Adachi, T. Kamimura, M. Yoshimura, Y. Mori, K. Yoshida, and T. Sasaki, “Twin-free and high-quality DAST crystals—Effected through solutions of lower supersaturation coupled with isothermal solvent evaporation,” Cryst. Growth Des. 6, 2463–2468 (2006).
    [CrossRef]
  22. Y. Takahashi, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, and T. Sasaki, “Suppression of narrow-line defects in organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate crystals through uninterrupted solution stirring during growth process,” Jpn. J. Appl. Phys., Part 1 46, 324–327 (2007).
    [CrossRef]

2008

M. Jazbinsek, L. Mutter, and P. Günter, “Photonic applications with the organic nonlinear optical crystal DAST,” IEEE J. Sel. Top. Quantum Electron. 14, 1298–1311 (2008).
[CrossRef]

M. Ashida, “Ultra-broadband terahertz wave detection using photoconductive antenna,” Jpn. J. Appl. Phys. 47, 8221–8225 (2008).
[CrossRef]

H. Ito, K. Miyamoto, and H. Minamide, “Ultra-broadband, frequency-agile THz-wave generator and its applications,” in Proceedings of Advanced Solid-State Photonics (2008), paper WD1.

2007

Y. Takahashi, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, and T. Sasaki, “Suppression of narrow-line defects in organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate crystals through uninterrupted solution stirring during growth process,” Jpn. J. Appl. Phys., Part 1 46, 324–327 (2007).
[CrossRef]

2006

Y. Takahashi, H. Adachi, T. Taniuchi, M. Takagi, Y. Hosokawa, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, H. Masuhara, T. Sasaki, and H. Nakanishi, “Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation,” J. Photochem. Photobiol., A 183, 247–252 (2006).
[CrossRef]

S. Brahadeeswaran, S. Onduka, M. Takagi, Y. Takahashi, H. Adachi, T. Kamimura, M. Yoshimura, Y. Mori, K. Yoshida, and T. Sasaki, “Twin-free and high-quality DAST crystals—Effected through solutions of lower supersaturation coupled with isothermal solvent evaporation,” Cryst. Growth Des. 6, 2463–2468 (2006).
[CrossRef]

A. Schneider, M. Neis, M. Stillhart, B. Ruiz, R. U. A. Khan, and P. Günter, “Generation of terahertz pulses through optical rectification in organic DAST crystals: theory and experiment,” J. Opt. Soc. Am. B 23, 1822–1835 (2006).
[CrossRef]

C. W. Chen, Y. K. Hsu, J. Y. Huang, C. S. Chang, J. Y. Zhang, and C. L. Pan, “Generation properties of coherent infrared radiation in the optical absorption region of GaSe crystal,” Opt. Express 14, 10636–10644 (2006).
[CrossRef] [PubMed]

2005

C. Kübler, R. Huber, and A. Leitenstorfer, “Ultrabroadband terahertz pulses: generation and field-resolved detection,” Semicond. Sci. Technol. 20, S128–S133 (2005).
[CrossRef]

2004

H. Adachi, T. Taniuchi, M. Yoshimura, S. Brahadeeswaran, T. Higo, M. Takagi, Y. Mori, T. Sasaki, and H. Nakanishi, “High-quality organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) crystals for THz wave generation,” Jpn. J. Appl. Phys., Part 2 43, L1121–L1123 (2004).
[CrossRef]

2003

T. A. Liu, M. Tani, M. Nakajima, M. Hangyo, and C. L. Pan, “Ultrabroadband terahertz field detection by photoconductive antennas based on multi-energy arsenic-ion-implanted GaAs and semi-insulating GaAs,” Appl. Phys. Lett. 83, 1322–1324 (2003).
[CrossRef]

K. Reimann, R. P. Smith, A. M. Weiner, T. Elsaesser, and M. Woerner, “Direct field-resolved detection of terahertz transients with amplitudes of megavolts per centimeter,” Opt. Lett. 28, 471–473 (2003).
[CrossRef] [PubMed]

2002

Ch. Bosshard, R. Spreiter, L. Degiorgi, and P. Günter, “Infrared and Raman spectroscopy of the organic crystal DAST: Polarization dependence and contribution of molecular vibrations to the linear electro-optic effect,” Phys. Rev. B 66, 205107 (2002).
[CrossRef]

2000

Y. Mori, Y. Takahashi, T. Iwai, M. Yoshimura, Y. K. Yap, and T. Sasaki, “Slope nucleation method for the growth of high-quality 4-dimethylamino-methyl-4-stilbazolium-tosylate (DAST) crystals,” Jpn. J. Appl. Phys., Part 2 39, L1006–L1008 (2000).
[CrossRef]

R. A. Kaindl, M. Wurm, K. Reimann, P. Hamm, A. M. Weiner, and M. Woerner, “Generation, shaping, and characterization of intense femtosecond pulses tunable from 3 to 20 μm,” J. Opt. Soc. Am. B 17, 2086–2094 (2000).
[CrossRef]

1999

1998

U. Meier, M. Bösch, Ch. Bosshard, F. Pan, and P. Günter, “Parametric interactions in the organic salt 4-N, N-dimethylamino-4′-N′-methyl-stilbazolium tosylate at telecommunication wavelengths,” J. Appl. Phys. 83, 3486–3489 (1998).
[CrossRef]

1996

F. Pan, G. Knöpfle, Ch. Bosshard, S. Follonier, R. Spreiter, M. S. Wong, and P. Günter, “Electro-optic properties of the organic salt 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium tosylate,” Appl. Phys. Lett. 69, 13–15 (1996).
[CrossRef]

F. Pan, M. S. Wong, Ch. Bosshard, and P. Günter, “Crystal growth and characterization of the organic salt 4-N, N-dimethylamino-4′-N′-methyl-stilbazolium tosylate (DAST),” Adv. Mater. 8, 592–595 (1996).
[CrossRef]

1992

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61, 3080–3082 (1992).
[CrossRef]

1989

H. Nakanishi, H. Matsuda, S. Okada, and M. Kato, “Organic polymeric-ion complexes for nonlinear optics,” in Proceedings of the MRS International Meeting on Advanced Materials (Material Research Society, 1989), Vol. 1, pp. 97–104.

S. R. Marder, J. W. Perry, and W. P. Schaefer, “Synthesis of organic salts with large second-order optical nonlinearities,” Science 245, 626–628 (1989).
[CrossRef] [PubMed]

Adachi, H.

Y. Takahashi, H. Adachi, T. Taniuchi, M. Takagi, Y. Hosokawa, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, H. Masuhara, T. Sasaki, and H. Nakanishi, “Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation,” J. Photochem. Photobiol., A 183, 247–252 (2006).
[CrossRef]

S. Brahadeeswaran, S. Onduka, M. Takagi, Y. Takahashi, H. Adachi, T. Kamimura, M. Yoshimura, Y. Mori, K. Yoshida, and T. Sasaki, “Twin-free and high-quality DAST crystals—Effected through solutions of lower supersaturation coupled with isothermal solvent evaporation,” Cryst. Growth Des. 6, 2463–2468 (2006).
[CrossRef]

H. Adachi, T. Taniuchi, M. Yoshimura, S. Brahadeeswaran, T. Higo, M. Takagi, Y. Mori, T. Sasaki, and H. Nakanishi, “High-quality organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) crystals for THz wave generation,” Jpn. J. Appl. Phys., Part 2 43, L1121–L1123 (2004).
[CrossRef]

Ashida, M.

M. Ashida, “Ultra-broadband terahertz wave detection using photoconductive antenna,” Jpn. J. Appl. Phys. 47, 8221–8225 (2008).
[CrossRef]

Boden, E. P.

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61, 3080–3082 (1992).
[CrossRef]

Bösch, M.

U. Meier, M. Bösch, Ch. Bosshard, F. Pan, and P. Günter, “Parametric interactions in the organic salt 4-N, N-dimethylamino-4′-N′-methyl-stilbazolium tosylate at telecommunication wavelengths,” J. Appl. Phys. 83, 3486–3489 (1998).
[CrossRef]

Bosshard, Ch.

Ch. Bosshard, R. Spreiter, L. Degiorgi, and P. Günter, “Infrared and Raman spectroscopy of the organic crystal DAST: Polarization dependence and contribution of molecular vibrations to the linear electro-optic effect,” Phys. Rev. B 66, 205107 (2002).
[CrossRef]

U. Meier, M. Bösch, Ch. Bosshard, F. Pan, and P. Günter, “Parametric interactions in the organic salt 4-N, N-dimethylamino-4′-N′-methyl-stilbazolium tosylate at telecommunication wavelengths,” J. Appl. Phys. 83, 3486–3489 (1998).
[CrossRef]

F. Pan, M. S. Wong, Ch. Bosshard, and P. Günter, “Crystal growth and characterization of the organic salt 4-N, N-dimethylamino-4′-N′-methyl-stilbazolium tosylate (DAST),” Adv. Mater. 8, 592–595 (1996).
[CrossRef]

F. Pan, G. Knöpfle, Ch. Bosshard, S. Follonier, R. Spreiter, M. S. Wong, and P. Günter, “Electro-optic properties of the organic salt 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium tosylate,” Appl. Phys. Lett. 69, 13–15 (1996).
[CrossRef]

Brahadeeswaran, S.

Y. Takahashi, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, and T. Sasaki, “Suppression of narrow-line defects in organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate crystals through uninterrupted solution stirring during growth process,” Jpn. J. Appl. Phys., Part 1 46, 324–327 (2007).
[CrossRef]

S. Brahadeeswaran, S. Onduka, M. Takagi, Y. Takahashi, H. Adachi, T. Kamimura, M. Yoshimura, Y. Mori, K. Yoshida, and T. Sasaki, “Twin-free and high-quality DAST crystals—Effected through solutions of lower supersaturation coupled with isothermal solvent evaporation,” Cryst. Growth Des. 6, 2463–2468 (2006).
[CrossRef]

Y. Takahashi, H. Adachi, T. Taniuchi, M. Takagi, Y. Hosokawa, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, H. Masuhara, T. Sasaki, and H. Nakanishi, “Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation,” J. Photochem. Photobiol., A 183, 247–252 (2006).
[CrossRef]

H. Adachi, T. Taniuchi, M. Yoshimura, S. Brahadeeswaran, T. Higo, M. Takagi, Y. Mori, T. Sasaki, and H. Nakanishi, “High-quality organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) crystals for THz wave generation,” Jpn. J. Appl. Phys., Part 2 43, L1121–L1123 (2004).
[CrossRef]

Chang, C. S.

Chen, C. W.

Degiorgi, L.

Ch. Bosshard, R. Spreiter, L. Degiorgi, and P. Günter, “Infrared and Raman spectroscopy of the organic crystal DAST: Polarization dependence and contribution of molecular vibrations to the linear electro-optic effect,” Phys. Rev. B 66, 205107 (2002).
[CrossRef]

Elsaesser, T.

Follonier, S.

F. Pan, G. Knöpfle, Ch. Bosshard, S. Follonier, R. Spreiter, M. S. Wong, and P. Günter, “Electro-optic properties of the organic salt 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium tosylate,” Appl. Phys. Lett. 69, 13–15 (1996).
[CrossRef]

Günter, P.

M. Jazbinsek, L. Mutter, and P. Günter, “Photonic applications with the organic nonlinear optical crystal DAST,” IEEE J. Sel. Top. Quantum Electron. 14, 1298–1311 (2008).
[CrossRef]

A. Schneider, M. Neis, M. Stillhart, B. Ruiz, R. U. A. Khan, and P. Günter, “Generation of terahertz pulses through optical rectification in organic DAST crystals: theory and experiment,” J. Opt. Soc. Am. B 23, 1822–1835 (2006).
[CrossRef]

Ch. Bosshard, R. Spreiter, L. Degiorgi, and P. Günter, “Infrared and Raman spectroscopy of the organic crystal DAST: Polarization dependence and contribution of molecular vibrations to the linear electro-optic effect,” Phys. Rev. B 66, 205107 (2002).
[CrossRef]

U. Meier, M. Bösch, Ch. Bosshard, F. Pan, and P. Günter, “Parametric interactions in the organic salt 4-N, N-dimethylamino-4′-N′-methyl-stilbazolium tosylate at telecommunication wavelengths,” J. Appl. Phys. 83, 3486–3489 (1998).
[CrossRef]

F. Pan, M. S. Wong, Ch. Bosshard, and P. Günter, “Crystal growth and characterization of the organic salt 4-N, N-dimethylamino-4′-N′-methyl-stilbazolium tosylate (DAST),” Adv. Mater. 8, 592–595 (1996).
[CrossRef]

F. Pan, G. Knöpfle, Ch. Bosshard, S. Follonier, R. Spreiter, M. S. Wong, and P. Günter, “Electro-optic properties of the organic salt 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium tosylate,” Appl. Phys. Lett. 69, 13–15 (1996).
[CrossRef]

Hamm, P.

Hangyo, M.

T. A. Liu, M. Tani, M. Nakajima, M. Hangyo, and C. L. Pan, “Ultrabroadband terahertz field detection by photoconductive antennas based on multi-energy arsenic-ion-implanted GaAs and semi-insulating GaAs,” Appl. Phys. Lett. 83, 1322–1324 (2003).
[CrossRef]

Higo, T.

H. Adachi, T. Taniuchi, M. Yoshimura, S. Brahadeeswaran, T. Higo, M. Takagi, Y. Mori, T. Sasaki, and H. Nakanishi, “High-quality organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) crystals for THz wave generation,” Jpn. J. Appl. Phys., Part 2 43, L1121–L1123 (2004).
[CrossRef]

Hosokawa, Y.

Y. Takahashi, H. Adachi, T. Taniuchi, M. Takagi, Y. Hosokawa, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, H. Masuhara, T. Sasaki, and H. Nakanishi, “Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation,” J. Photochem. Photobiol., A 183, 247–252 (2006).
[CrossRef]

Hsu, Y. K.

Huang, J. Y.

Huber, R.

C. Kübler, R. Huber, and A. Leitenstorfer, “Ultrabroadband terahertz pulses: generation and field-resolved detection,” Semicond. Sci. Technol. 20, S128–S133 (2005).
[CrossRef]

Ito, H.

Iwai, T.

Y. Mori, Y. Takahashi, T. Iwai, M. Yoshimura, Y. K. Yap, and T. Sasaki, “Slope nucleation method for the growth of high-quality 4-dimethylamino-methyl-4-stilbazolium-tosylate (DAST) crystals,” Jpn. J. Appl. Phys., Part 2 39, L1006–L1008 (2000).
[CrossRef]

Jazbinsek, M.

M. Jazbinsek, L. Mutter, and P. Günter, “Photonic applications with the organic nonlinear optical crystal DAST,” IEEE J. Sel. Top. Quantum Electron. 14, 1298–1311 (2008).
[CrossRef]

Jin, Y.

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61, 3080–3082 (1992).
[CrossRef]

Kaindl, R. A.

Kamimura, T.

S. Brahadeeswaran, S. Onduka, M. Takagi, Y. Takahashi, H. Adachi, T. Kamimura, M. Yoshimura, Y. Mori, K. Yoshida, and T. Sasaki, “Twin-free and high-quality DAST crystals—Effected through solutions of lower supersaturation coupled with isothermal solvent evaporation,” Cryst. Growth Des. 6, 2463–2468 (2006).
[CrossRef]

Kato, M.

H. Nakanishi, H. Matsuda, S. Okada, and M. Kato, “Organic polymeric-ion complexes for nonlinear optics,” in Proceedings of the MRS International Meeting on Advanced Materials (Material Research Society, 1989), Vol. 1, pp. 97–104.

Kawase, K.

Khan, R. U. A.

Knöpfle, G.

F. Pan, G. Knöpfle, Ch. Bosshard, S. Follonier, R. Spreiter, M. S. Wong, and P. Günter, “Electro-optic properties of the organic salt 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium tosylate,” Appl. Phys. Lett. 69, 13–15 (1996).
[CrossRef]

Kübler, C.

C. Kübler, R. Huber, and A. Leitenstorfer, “Ultrabroadband terahertz pulses: generation and field-resolved detection,” Semicond. Sci. Technol. 20, S128–S133 (2005).
[CrossRef]

Leitenstorfer, A.

C. Kübler, R. Huber, and A. Leitenstorfer, “Ultrabroadband terahertz pulses: generation and field-resolved detection,” Semicond. Sci. Technol. 20, S128–S133 (2005).
[CrossRef]

Liu, T. A.

T. A. Liu, M. Tani, M. Nakajima, M. Hangyo, and C. L. Pan, “Ultrabroadband terahertz field detection by photoconductive antennas based on multi-energy arsenic-ion-implanted GaAs and semi-insulating GaAs,” Appl. Phys. Lett. 83, 1322–1324 (2003).
[CrossRef]

Lu, T. -M.

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61, 3080–3082 (1992).
[CrossRef]

Ma, X. F.

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61, 3080–3082 (1992).
[CrossRef]

Marder, S. R.

S. R. Marder, J. W. Perry, and W. P. Schaefer, “Synthesis of organic salts with large second-order optical nonlinearities,” Science 245, 626–628 (1989).
[CrossRef] [PubMed]

Masuhara, H.

Y. Takahashi, H. Adachi, T. Taniuchi, M. Takagi, Y. Hosokawa, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, H. Masuhara, T. Sasaki, and H. Nakanishi, “Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation,” J. Photochem. Photobiol., A 183, 247–252 (2006).
[CrossRef]

Matsuda, H.

H. Nakanishi, H. Matsuda, S. Okada, and M. Kato, “Organic polymeric-ion complexes for nonlinear optics,” in Proceedings of the MRS International Meeting on Advanced Materials (Material Research Society, 1989), Vol. 1, pp. 97–104.

Meier, U.

U. Meier, M. Bösch, Ch. Bosshard, F. Pan, and P. Günter, “Parametric interactions in the organic salt 4-N, N-dimethylamino-4′-N′-methyl-stilbazolium tosylate at telecommunication wavelengths,” J. Appl. Phys. 83, 3486–3489 (1998).
[CrossRef]

Minamide, H.

H. Ito, K. Miyamoto, and H. Minamide, “Ultra-broadband, frequency-agile THz-wave generator and its applications,” in Proceedings of Advanced Solid-State Photonics (2008), paper WD1.

Miyamoto, K.

H. Ito, K. Miyamoto, and H. Minamide, “Ultra-broadband, frequency-agile THz-wave generator and its applications,” in Proceedings of Advanced Solid-State Photonics (2008), paper WD1.

Mizuno, M.

Mori, Y.

Y. Takahashi, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, and T. Sasaki, “Suppression of narrow-line defects in organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate crystals through uninterrupted solution stirring during growth process,” Jpn. J. Appl. Phys., Part 1 46, 324–327 (2007).
[CrossRef]

S. Brahadeeswaran, S. Onduka, M. Takagi, Y. Takahashi, H. Adachi, T. Kamimura, M. Yoshimura, Y. Mori, K. Yoshida, and T. Sasaki, “Twin-free and high-quality DAST crystals—Effected through solutions of lower supersaturation coupled with isothermal solvent evaporation,” Cryst. Growth Des. 6, 2463–2468 (2006).
[CrossRef]

Y. Takahashi, H. Adachi, T. Taniuchi, M. Takagi, Y. Hosokawa, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, H. Masuhara, T. Sasaki, and H. Nakanishi, “Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation,” J. Photochem. Photobiol., A 183, 247–252 (2006).
[CrossRef]

H. Adachi, T. Taniuchi, M. Yoshimura, S. Brahadeeswaran, T. Higo, M. Takagi, Y. Mori, T. Sasaki, and H. Nakanishi, “High-quality organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) crystals for THz wave generation,” Jpn. J. Appl. Phys., Part 2 43, L1121–L1123 (2004).
[CrossRef]

Y. Mori, Y. Takahashi, T. Iwai, M. Yoshimura, Y. K. Yap, and T. Sasaki, “Slope nucleation method for the growth of high-quality 4-dimethylamino-methyl-4-stilbazolium-tosylate (DAST) crystals,” Jpn. J. Appl. Phys., Part 2 39, L1006–L1008 (2000).
[CrossRef]

Mutter, L.

M. Jazbinsek, L. Mutter, and P. Günter, “Photonic applications with the organic nonlinear optical crystal DAST,” IEEE J. Sel. Top. Quantum Electron. 14, 1298–1311 (2008).
[CrossRef]

Nakajima, M.

T. A. Liu, M. Tani, M. Nakajima, M. Hangyo, and C. L. Pan, “Ultrabroadband terahertz field detection by photoconductive antennas based on multi-energy arsenic-ion-implanted GaAs and semi-insulating GaAs,” Appl. Phys. Lett. 83, 1322–1324 (2003).
[CrossRef]

Nakanishi, H.

Y. Takahashi, H. Adachi, T. Taniuchi, M. Takagi, Y. Hosokawa, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, H. Masuhara, T. Sasaki, and H. Nakanishi, “Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation,” J. Photochem. Photobiol., A 183, 247–252 (2006).
[CrossRef]

H. Adachi, T. Taniuchi, M. Yoshimura, S. Brahadeeswaran, T. Higo, M. Takagi, Y. Mori, T. Sasaki, and H. Nakanishi, “High-quality organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) crystals for THz wave generation,” Jpn. J. Appl. Phys., Part 2 43, L1121–L1123 (2004).
[CrossRef]

H. Nakanishi, H. Matsuda, S. Okada, and M. Kato, “Organic polymeric-ion complexes for nonlinear optics,” in Proceedings of the MRS International Meeting on Advanced Materials (Material Research Society, 1989), Vol. 1, pp. 97–104.

Neis, M.

Okada, S.

H. Nakanishi, H. Matsuda, S. Okada, and M. Kato, “Organic polymeric-ion complexes for nonlinear optics,” in Proceedings of the MRS International Meeting on Advanced Materials (Material Research Society, 1989), Vol. 1, pp. 97–104.

Onduka, S.

S. Brahadeeswaran, S. Onduka, M. Takagi, Y. Takahashi, H. Adachi, T. Kamimura, M. Yoshimura, Y. Mori, K. Yoshida, and T. Sasaki, “Twin-free and high-quality DAST crystals—Effected through solutions of lower supersaturation coupled with isothermal solvent evaporation,” Cryst. Growth Des. 6, 2463–2468 (2006).
[CrossRef]

Onzuka, S.

Y. Takahashi, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, and T. Sasaki, “Suppression of narrow-line defects in organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate crystals through uninterrupted solution stirring during growth process,” Jpn. J. Appl. Phys., Part 1 46, 324–327 (2007).
[CrossRef]

Y. Takahashi, H. Adachi, T. Taniuchi, M. Takagi, Y. Hosokawa, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, H. Masuhara, T. Sasaki, and H. Nakanishi, “Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation,” J. Photochem. Photobiol., A 183, 247–252 (2006).
[CrossRef]

Pan, C. L.

C. W. Chen, Y. K. Hsu, J. Y. Huang, C. S. Chang, J. Y. Zhang, and C. L. Pan, “Generation properties of coherent infrared radiation in the optical absorption region of GaSe crystal,” Opt. Express 14, 10636–10644 (2006).
[CrossRef] [PubMed]

T. A. Liu, M. Tani, M. Nakajima, M. Hangyo, and C. L. Pan, “Ultrabroadband terahertz field detection by photoconductive antennas based on multi-energy arsenic-ion-implanted GaAs and semi-insulating GaAs,” Appl. Phys. Lett. 83, 1322–1324 (2003).
[CrossRef]

Pan, F.

U. Meier, M. Bösch, Ch. Bosshard, F. Pan, and P. Günter, “Parametric interactions in the organic salt 4-N, N-dimethylamino-4′-N′-methyl-stilbazolium tosylate at telecommunication wavelengths,” J. Appl. Phys. 83, 3486–3489 (1998).
[CrossRef]

F. Pan, M. S. Wong, Ch. Bosshard, and P. Günter, “Crystal growth and characterization of the organic salt 4-N, N-dimethylamino-4′-N′-methyl-stilbazolium tosylate (DAST),” Adv. Mater. 8, 592–595 (1996).
[CrossRef]

F. Pan, G. Knöpfle, Ch. Bosshard, S. Follonier, R. Spreiter, M. S. Wong, and P. Günter, “Electro-optic properties of the organic salt 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium tosylate,” Appl. Phys. Lett. 69, 13–15 (1996).
[CrossRef]

Perry, J. W.

S. R. Marder, J. W. Perry, and W. P. Schaefer, “Synthesis of organic salts with large second-order optical nonlinearities,” Science 245, 626–628 (1989).
[CrossRef] [PubMed]

Phelps, P. D.

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61, 3080–3082 (1992).
[CrossRef]

Reimann, K.

Ruiz, B.

Sasaki, T.

Y. Takahashi, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, and T. Sasaki, “Suppression of narrow-line defects in organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate crystals through uninterrupted solution stirring during growth process,” Jpn. J. Appl. Phys., Part 1 46, 324–327 (2007).
[CrossRef]

S. Brahadeeswaran, S. Onduka, M. Takagi, Y. Takahashi, H. Adachi, T. Kamimura, M. Yoshimura, Y. Mori, K. Yoshida, and T. Sasaki, “Twin-free and high-quality DAST crystals—Effected through solutions of lower supersaturation coupled with isothermal solvent evaporation,” Cryst. Growth Des. 6, 2463–2468 (2006).
[CrossRef]

Y. Takahashi, H. Adachi, T. Taniuchi, M. Takagi, Y. Hosokawa, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, H. Masuhara, T. Sasaki, and H. Nakanishi, “Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation,” J. Photochem. Photobiol., A 183, 247–252 (2006).
[CrossRef]

H. Adachi, T. Taniuchi, M. Yoshimura, S. Brahadeeswaran, T. Higo, M. Takagi, Y. Mori, T. Sasaki, and H. Nakanishi, “High-quality organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) crystals for THz wave generation,” Jpn. J. Appl. Phys., Part 2 43, L1121–L1123 (2004).
[CrossRef]

Y. Mori, Y. Takahashi, T. Iwai, M. Yoshimura, Y. K. Yap, and T. Sasaki, “Slope nucleation method for the growth of high-quality 4-dimethylamino-methyl-4-stilbazolium-tosylate (DAST) crystals,” Jpn. J. Appl. Phys., Part 2 39, L1006–L1008 (2000).
[CrossRef]

Schaefer, W. P.

S. R. Marder, J. W. Perry, and W. P. Schaefer, “Synthesis of organic salts with large second-order optical nonlinearities,” Science 245, 626–628 (1989).
[CrossRef] [PubMed]

Schneider, A.

Smith, R. P.

Sohma, S.

Spreiter, R.

Ch. Bosshard, R. Spreiter, L. Degiorgi, and P. Günter, “Infrared and Raman spectroscopy of the organic crystal DAST: Polarization dependence and contribution of molecular vibrations to the linear electro-optic effect,” Phys. Rev. B 66, 205107 (2002).
[CrossRef]

F. Pan, G. Knöpfle, Ch. Bosshard, S. Follonier, R. Spreiter, M. S. Wong, and P. Günter, “Electro-optic properties of the organic salt 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium tosylate,” Appl. Phys. Lett. 69, 13–15 (1996).
[CrossRef]

Stewart, K. R.

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61, 3080–3082 (1992).
[CrossRef]

Stillhart, M.

Takagi, M.

S. Brahadeeswaran, S. Onduka, M. Takagi, Y. Takahashi, H. Adachi, T. Kamimura, M. Yoshimura, Y. Mori, K. Yoshida, and T. Sasaki, “Twin-free and high-quality DAST crystals—Effected through solutions of lower supersaturation coupled with isothermal solvent evaporation,” Cryst. Growth Des. 6, 2463–2468 (2006).
[CrossRef]

Y. Takahashi, H. Adachi, T. Taniuchi, M. Takagi, Y. Hosokawa, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, H. Masuhara, T. Sasaki, and H. Nakanishi, “Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation,” J. Photochem. Photobiol., A 183, 247–252 (2006).
[CrossRef]

H. Adachi, T. Taniuchi, M. Yoshimura, S. Brahadeeswaran, T. Higo, M. Takagi, Y. Mori, T. Sasaki, and H. Nakanishi, “High-quality organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) crystals for THz wave generation,” Jpn. J. Appl. Phys., Part 2 43, L1121–L1123 (2004).
[CrossRef]

Takahashi, H.

Takahashi, Y.

Y. Takahashi, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, and T. Sasaki, “Suppression of narrow-line defects in organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate crystals through uninterrupted solution stirring during growth process,” Jpn. J. Appl. Phys., Part 1 46, 324–327 (2007).
[CrossRef]

S. Brahadeeswaran, S. Onduka, M. Takagi, Y. Takahashi, H. Adachi, T. Kamimura, M. Yoshimura, Y. Mori, K. Yoshida, and T. Sasaki, “Twin-free and high-quality DAST crystals—Effected through solutions of lower supersaturation coupled with isothermal solvent evaporation,” Cryst. Growth Des. 6, 2463–2468 (2006).
[CrossRef]

Y. Takahashi, H. Adachi, T. Taniuchi, M. Takagi, Y. Hosokawa, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, H. Masuhara, T. Sasaki, and H. Nakanishi, “Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation,” J. Photochem. Photobiol., A 183, 247–252 (2006).
[CrossRef]

Y. Mori, Y. Takahashi, T. Iwai, M. Yoshimura, Y. K. Yap, and T. Sasaki, “Slope nucleation method for the growth of high-quality 4-dimethylamino-methyl-4-stilbazolium-tosylate (DAST) crystals,” Jpn. J. Appl. Phys., Part 2 39, L1006–L1008 (2000).
[CrossRef]

Tani, M.

T. A. Liu, M. Tani, M. Nakajima, M. Hangyo, and C. L. Pan, “Ultrabroadband terahertz field detection by photoconductive antennas based on multi-energy arsenic-ion-implanted GaAs and semi-insulating GaAs,” Appl. Phys. Lett. 83, 1322–1324 (2003).
[CrossRef]

Taniuchi, T.

Y. Takahashi, H. Adachi, T. Taniuchi, M. Takagi, Y. Hosokawa, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, H. Masuhara, T. Sasaki, and H. Nakanishi, “Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation,” J. Photochem. Photobiol., A 183, 247–252 (2006).
[CrossRef]

H. Adachi, T. Taniuchi, M. Yoshimura, S. Brahadeeswaran, T. Higo, M. Takagi, Y. Mori, T. Sasaki, and H. Nakanishi, “High-quality organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) crystals for THz wave generation,” Jpn. J. Appl. Phys., Part 2 43, L1121–L1123 (2004).
[CrossRef]

K. Kawase, M. Mizuno, S. Sohma, H. Takahashi, T. Taniuchi, Y. Urata, S. Wada, H. Tashiro, and H. Ito, “Difference-frequency terahertz-wave generation from 4-dimethylamino-N-methyl-4-stilbazolium-tosylate by use of an electronically tuned Ti:sapphire laser,” Opt. Lett. 24, 1065–1067 (1999).
[CrossRef]

Tashiro, H.

Urata, Y.

Wada, S.

Weiner, A. M.

Woerner, M.

Wong, M. S.

F. Pan, M. S. Wong, Ch. Bosshard, and P. Günter, “Crystal growth and characterization of the organic salt 4-N, N-dimethylamino-4′-N′-methyl-stilbazolium tosylate (DAST),” Adv. Mater. 8, 592–595 (1996).
[CrossRef]

F. Pan, G. Knöpfle, Ch. Bosshard, S. Follonier, R. Spreiter, M. S. Wong, and P. Günter, “Electro-optic properties of the organic salt 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium tosylate,” Appl. Phys. Lett. 69, 13–15 (1996).
[CrossRef]

Wurm, M.

Yakymyshyn, C. P.

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61, 3080–3082 (1992).
[CrossRef]

Yap, Y. K.

Y. Mori, Y. Takahashi, T. Iwai, M. Yoshimura, Y. K. Yap, and T. Sasaki, “Slope nucleation method for the growth of high-quality 4-dimethylamino-methyl-4-stilbazolium-tosylate (DAST) crystals,” Jpn. J. Appl. Phys., Part 2 39, L1006–L1008 (2000).
[CrossRef]

Yoshida, K.

S. Brahadeeswaran, S. Onduka, M. Takagi, Y. Takahashi, H. Adachi, T. Kamimura, M. Yoshimura, Y. Mori, K. Yoshida, and T. Sasaki, “Twin-free and high-quality DAST crystals—Effected through solutions of lower supersaturation coupled with isothermal solvent evaporation,” Cryst. Growth Des. 6, 2463–2468 (2006).
[CrossRef]

Yoshimura, M.

Y. Takahashi, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, and T. Sasaki, “Suppression of narrow-line defects in organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate crystals through uninterrupted solution stirring during growth process,” Jpn. J. Appl. Phys., Part 1 46, 324–327 (2007).
[CrossRef]

S. Brahadeeswaran, S. Onduka, M. Takagi, Y. Takahashi, H. Adachi, T. Kamimura, M. Yoshimura, Y. Mori, K. Yoshida, and T. Sasaki, “Twin-free and high-quality DAST crystals—Effected through solutions of lower supersaturation coupled with isothermal solvent evaporation,” Cryst. Growth Des. 6, 2463–2468 (2006).
[CrossRef]

Y. Takahashi, H. Adachi, T. Taniuchi, M. Takagi, Y. Hosokawa, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, H. Masuhara, T. Sasaki, and H. Nakanishi, “Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation,” J. Photochem. Photobiol., A 183, 247–252 (2006).
[CrossRef]

H. Adachi, T. Taniuchi, M. Yoshimura, S. Brahadeeswaran, T. Higo, M. Takagi, Y. Mori, T. Sasaki, and H. Nakanishi, “High-quality organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) crystals for THz wave generation,” Jpn. J. Appl. Phys., Part 2 43, L1121–L1123 (2004).
[CrossRef]

Y. Mori, Y. Takahashi, T. Iwai, M. Yoshimura, Y. K. Yap, and T. Sasaki, “Slope nucleation method for the growth of high-quality 4-dimethylamino-methyl-4-stilbazolium-tosylate (DAST) crystals,” Jpn. J. Appl. Phys., Part 2 39, L1006–L1008 (2000).
[CrossRef]

Zhang, J. Y.

Zhang, X. -C.

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61, 3080–3082 (1992).
[CrossRef]

Adv. Mater.

F. Pan, M. S. Wong, Ch. Bosshard, and P. Günter, “Crystal growth and characterization of the organic salt 4-N, N-dimethylamino-4′-N′-methyl-stilbazolium tosylate (DAST),” Adv. Mater. 8, 592–595 (1996).
[CrossRef]

Appl. Phys. Lett.

X.-C. Zhang, X. F. Ma, Y. Jin, T.-M. Lu, E. P. Boden, P. D. Phelps, K. R. Stewart, and C. P. Yakymyshyn, “Terahertz optical rectification from a nonlinear organic crystal,” Appl. Phys. Lett. 61, 3080–3082 (1992).
[CrossRef]

F. Pan, G. Knöpfle, Ch. Bosshard, S. Follonier, R. Spreiter, M. S. Wong, and P. Günter, “Electro-optic properties of the organic salt 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium tosylate,” Appl. Phys. Lett. 69, 13–15 (1996).
[CrossRef]

T. A. Liu, M. Tani, M. Nakajima, M. Hangyo, and C. L. Pan, “Ultrabroadband terahertz field detection by photoconductive antennas based on multi-energy arsenic-ion-implanted GaAs and semi-insulating GaAs,” Appl. Phys. Lett. 83, 1322–1324 (2003).
[CrossRef]

Cryst. Growth Des.

S. Brahadeeswaran, S. Onduka, M. Takagi, Y. Takahashi, H. Adachi, T. Kamimura, M. Yoshimura, Y. Mori, K. Yoshida, and T. Sasaki, “Twin-free and high-quality DAST crystals—Effected through solutions of lower supersaturation coupled with isothermal solvent evaporation,” Cryst. Growth Des. 6, 2463–2468 (2006).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron.

M. Jazbinsek, L. Mutter, and P. Günter, “Photonic applications with the organic nonlinear optical crystal DAST,” IEEE J. Sel. Top. Quantum Electron. 14, 1298–1311 (2008).
[CrossRef]

J. Appl. Phys.

U. Meier, M. Bösch, Ch. Bosshard, F. Pan, and P. Günter, “Parametric interactions in the organic salt 4-N, N-dimethylamino-4′-N′-methyl-stilbazolium tosylate at telecommunication wavelengths,” J. Appl. Phys. 83, 3486–3489 (1998).
[CrossRef]

J. Opt. Soc. Am. B

J. Photochem. Photobiol., A

Y. Takahashi, H. Adachi, T. Taniuchi, M. Takagi, Y. Hosokawa, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, H. Masuhara, T. Sasaki, and H. Nakanishi, “Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation,” J. Photochem. Photobiol., A 183, 247–252 (2006).
[CrossRef]

Jpn. J. Appl. Phys.

M. Ashida, “Ultra-broadband terahertz wave detection using photoconductive antenna,” Jpn. J. Appl. Phys. 47, 8221–8225 (2008).
[CrossRef]

Jpn. J. Appl. Phys., Part 1

Y. Takahashi, S. Onzuka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, and T. Sasaki, “Suppression of narrow-line defects in organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate crystals through uninterrupted solution stirring during growth process,” Jpn. J. Appl. Phys., Part 1 46, 324–327 (2007).
[CrossRef]

Jpn. J. Appl. Phys., Part 2

Y. Mori, Y. Takahashi, T. Iwai, M. Yoshimura, Y. K. Yap, and T. Sasaki, “Slope nucleation method for the growth of high-quality 4-dimethylamino-methyl-4-stilbazolium-tosylate (DAST) crystals,” Jpn. J. Appl. Phys., Part 2 39, L1006–L1008 (2000).
[CrossRef]

H. Adachi, T. Taniuchi, M. Yoshimura, S. Brahadeeswaran, T. Higo, M. Takagi, Y. Mori, T. Sasaki, and H. Nakanishi, “High-quality organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) crystals for THz wave generation,” Jpn. J. Appl. Phys., Part 2 43, L1121–L1123 (2004).
[CrossRef]

Opt. Express

Opt. Lett.

Phys. Rev. B

Ch. Bosshard, R. Spreiter, L. Degiorgi, and P. Günter, “Infrared and Raman spectroscopy of the organic crystal DAST: Polarization dependence and contribution of molecular vibrations to the linear electro-optic effect,” Phys. Rev. B 66, 205107 (2002).
[CrossRef]

Science

S. R. Marder, J. W. Perry, and W. P. Schaefer, “Synthesis of organic salts with large second-order optical nonlinearities,” Science 245, 626–628 (1989).
[CrossRef] [PubMed]

Semicond. Sci. Technol.

C. Kübler, R. Huber, and A. Leitenstorfer, “Ultrabroadband terahertz pulses: generation and field-resolved detection,” Semicond. Sci. Technol. 20, S128–S133 (2005).
[CrossRef]

Other

H. Nakanishi, H. Matsuda, S. Okada, and M. Kato, “Organic polymeric-ion complexes for nonlinear optics,” in Proceedings of the MRS International Meeting on Advanced Materials (Material Research Society, 1989), Vol. 1, pp. 97–104.

H. Ito, K. Miyamoto, and H. Minamide, “Ultra-broadband, frequency-agile THz-wave generator and its applications,” in Proceedings of Advanced Solid-State Photonics (2008), paper WD1.

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Figures (6)

Fig. 1
Fig. 1

Solid line: Phase-matched noncollinear angle between signal and idler beams. Broken line: Tolerance of the phase matching condition. Inset: Noncollinear geometry for wave vectors of signal, idler, and DFG beams.

Fig. 2
Fig. 2

Setup of DFG and custom-built FTIR spectrometer: OPA, optical parametric amplifier; HWP, half-wave plate; PM, parabolic mirror; BS, beam splitter; C, compensator.

Fig. 3
Fig. 3

Spectra of the DFG pulses for noncollinear angles between signal and idler of (a) θ = 1.4 ° , (b) θ = 0.7 ° , and (c) θ = 0 ° . The dashed curve shows the spectrum of the pulse generated by OR.

Fig. 4
Fig. 4

Transmission spectrum for DAST crystal with a thickness of 0.5 mm.

Fig. 5
Fig. 5

Spectra of the DFG pulses for signal wavelengths of (a) 1498, (b) 1510, and (c) 1540 nm.

Fig. 6
Fig. 6

Cross-correlation traces between DFG and the pump pulses for signal wavelengths of (a) 1498, (b) 1510, and (c) 1540 nm. Inset: Fourier transform limit obtained by Fourier transforming the DFG spectra in Fig. 5c.

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