Abstract

We show that the organic electro-optic crystal HMQ-TMS [2-(4-hydroxy-3-methoxystyryl)-1-methylquinolinium 2,4,6-trimethylbenzenesulfonate] has favorable properties for the parametric generation of THz waves in a collinear type-0 phase-matching scheme, i.e., a low absorption coefficient at wavelengths from 800 to 1500 nm (α < 1.5cm−1), a relatively low absorption coefficient at frequencies from 0.3 to 1.5 THz (α < 100 cm−1), and a large coherence length in these spectral ranges (lc > 0.5 mm). We demonstrate efficient generation of broadband THz pulses through optical rectification of sub-picosecond laser pulses in a 0.2 mm thick HMQ-TMS crystal at the wavelength of 1000 nm. The energy conversion efficiency achieved in this crystal was 41 times higher than the one achieved in a 0.3 mm thick GaP crystal, which is an often used material for collinearly phase-matched THz generation at this laser wavelength. The peak amplitudes of the THz signal obtained with the HMQ-TMS crystal were 5.4 times larger in the time-domain and 7.1 times larger in the frequency-domain than the ones obtained with the GaP crystal.

© 2014 Optical Society of America

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References

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2014 (1)

B. J. Kang, I. H. Baek, J.-H. Jeong, J.-S. Kim, S.-H. Lee, O-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14, 403–406 (2014).
[Crossref]

2013 (2)

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

S.-W. Huang, E. Granados, W. R. Huang, K.-H. Hong, L. E. Zapata, and F. X. Kärtner, “High conversion efficiency, high energy terahertz pulses by optical rectification in cryogenically cooled lithium niobate,” Opt. Lett. 38, 796–798 (2013).
[Crossref] [PubMed]

2012 (1)

2011 (2)

P.-J. Kim, J.-H. Jeong, M. Jazbinšek, S.-J. Kwon, H. Yun, J.-T. Kim, Y. S. Lee, I.-H. Baek, F. Rotermund, P. Günter, and O-P. Kwon, “Acentric nonlinear optical N-benzyl stilbazolium crystals with high environmental stability and enhanced molecular nonlinearity in solid state,” CrystEngComm 13, 444–451 (2011).
[Crossref]

C. P. Hauri, C. Ruchert, C. Vicario, and F. Ardana, “Strong-field single-cycle THz pulses generated in an organic crystal,” Appl. Phys. Lett. 99, 161116 (2011).
[Crossref]

2010 (2)

A. Schneider, “Theory of terahertz pulse generation through optical rectification in a nonlinear optical material with a finite size,” Phys. Rev. A 82, 033825 (2010).
[Crossref]

P. D. Cunningham and L. M. Hayden, “Optical properties of DAST in the THz range,” Opt. Express 18, 23620–23625 (2010).
[Crossref] [PubMed]

2009 (1)

F. D. J. Brunner, A. Schneider, and P. Günter, “Velocity-matched terahertz generation by optical rectification in an organic nonlinear optical crystal using a Ti:sapphire laser,” Appl. Phys. Lett. 94, 061119 (2009).
[Crossref]

2008 (3)

2007 (4)

2006 (2)

1996 (1)

A. Nahata, A. S. Weling, and T. F. Heinz, “A wideband coherent terahertz spectroscopy system using optical rectification and electro-optic sampling,” Appl. Phys. Lett. 69, 2321–2323 (1996).
[Crossref]

1976 (1)

J. H. Bechtel and W. L. Smith, “Two-photon absorption in semiconductors with picosecond laser pulses,” Phys. Rev. B 13, 3515–3522 (1976).
[Crossref]

Ardana, F.

C. P. Hauri, C. Ruchert, C. Vicario, and F. Ardana, “Strong-field single-cycle THz pulses generated in an organic crystal,” Appl. Phys. Lett. 99, 161116 (2011).
[Crossref]

Baek, I. H.

B. J. Kang, I. H. Baek, J.-H. Jeong, J.-S. Kim, S.-H. Lee, O-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14, 403–406 (2014).
[Crossref]

Baek, I.-H.

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

P.-J. Kim, J.-H. Jeong, M. Jazbinšek, S.-J. Kwon, H. Yun, J.-T. Kim, Y. S. Lee, I.-H. Baek, F. Rotermund, P. Günter, and O-P. Kwon, “Acentric nonlinear optical N-benzyl stilbazolium crystals with high environmental stability and enhanced molecular nonlinearity in solid state,” CrystEngComm 13, 444–451 (2011).
[Crossref]

Bandulet, H. C.

Bechtel, J. H.

J. H. Bechtel and W. L. Smith, “Two-photon absorption in semiconductors with picosecond laser pulses,” Phys. Rev. B 13, 3515–3522 (1976).
[Crossref]

Blanchard, F.

Brunner, F. D. J.

F. D. J. Brunner, A. Schneider, and P. Günter, “Velocity-matched terahertz generation by optical rectification in an organic nonlinear optical crystal using a Ti:sapphire laser,” Appl. Phys. Lett. 94, 061119 (2009).
[Crossref]

F. D. J. Brunner, O-P. Kwon, S.-J. Kwon, M. Jazbinšek, A. Schneider, and P. Günter, “A hydrogen-bonded organic nonlinear optical crystal for high-efficiency terahertz generation and detection,” Opt. Express 16, 16496–16508 (2008).
[Crossref] [PubMed]

A. Schneider, F. D. J. Brunner, and P. Günter, “Determination of the refractive index over a wide wavelength range through time-delay measurements of femtosecond pulses,” Opt. Commun. 275, 354–358 (2007).
[Crossref]

Chang, G.

Cunningham, P. D.

Divin, C. J.

Galvanauskas, A.

Granados, E.

Günter, P.

P.-J. Kim, J.-H. Jeong, M. Jazbinšek, S.-J. Kwon, H. Yun, J.-T. Kim, Y. S. Lee, I.-H. Baek, F. Rotermund, P. Günter, and O-P. Kwon, “Acentric nonlinear optical N-benzyl stilbazolium crystals with high environmental stability and enhanced molecular nonlinearity in solid state,” CrystEngComm 13, 444–451 (2011).
[Crossref]

F. D. J. Brunner, A. Schneider, and P. Günter, “Velocity-matched terahertz generation by optical rectification in an organic nonlinear optical crystal using a Ti:sapphire laser,” Appl. Phys. Lett. 94, 061119 (2009).
[Crossref]

F. D. J. Brunner, O-P. Kwon, S.-J. Kwon, M. Jazbinšek, A. Schneider, and P. Günter, “A hydrogen-bonded organic nonlinear optical crystal for high-efficiency terahertz generation and detection,” Opt. Express 16, 16496–16508 (2008).
[Crossref] [PubMed]

M. Stillhart, A. Schneider, and P. Günter, “Optical properties of 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium 2,4,6-trimethylbenzenesulfonate crystals at terahertz frequencies,” J. Opt. Soc. Am. B 25, 1914–1919 (2008).
[Crossref]

A. Schneider, F. D. J. Brunner, and P. Günter, “Determination of the refractive index over a wide wavelength range through time-delay measurements of femtosecond pulses,” Opt. Commun. 275, 354–358 (2007).
[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]

Haugen, H. K.

Hauri, C. P.

Hayden, L. M.

Hebling, J.

Hegmann, F. A.

Heinz, T. F.

A. Nahata, A. S. Weling, and T. F. Heinz, “A wideband coherent terahertz spectroscopy system using optical rectification and electro-optic sampling,” Appl. Phys. Lett. 69, 2321–2323 (1996).
[Crossref]

Hoffmann, M. C.

Hong, K.-H.

Huang, S.-W.

Huang, W. R.

Jazbinšek, M.

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

P.-J. Kim, J.-H. Jeong, M. Jazbinšek, S.-J. Kwon, H. Yun, J.-T. Kim, Y. S. Lee, I.-H. Baek, F. Rotermund, P. Günter, and O-P. Kwon, “Acentric nonlinear optical N-benzyl stilbazolium crystals with high environmental stability and enhanced molecular nonlinearity in solid state,” CrystEngComm 13, 444–451 (2011).
[Crossref]

F. D. J. Brunner, O-P. Kwon, S.-J. Kwon, M. Jazbinšek, A. Schneider, and P. Günter, “A hydrogen-bonded organic nonlinear optical crystal for high-efficiency terahertz generation and detection,” Opt. Express 16, 16496–16508 (2008).
[Crossref] [PubMed]

Jeong, J.-H.

B. J. Kang, I. H. Baek, J.-H. Jeong, J.-S. Kim, S.-H. Lee, O-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14, 403–406 (2014).
[Crossref]

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

P.-J. Kim, J.-H. Jeong, M. Jazbinšek, S.-J. Kwon, H. Yun, J.-T. Kim, Y. S. Lee, I.-H. Baek, F. Rotermund, P. Günter, and O-P. Kwon, “Acentric nonlinear optical N-benzyl stilbazolium crystals with high environmental stability and enhanced molecular nonlinearity in solid state,” CrystEngComm 13, 444–451 (2011).
[Crossref]

Kang, B. J.

B. J. Kang, I. H. Baek, J.-H. Jeong, J.-S. Kim, S.-H. Lee, O-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14, 403–406 (2014).
[Crossref]

Kang, B.-J.

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Kärtner, F. X.

Khan, R. U. A.

Kieffer, J. C.

Kim, J.

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Kim, J.-H.

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Kim, J.-S.

B. J. Kang, I. H. Baek, J.-H. Jeong, J.-S. Kim, S.-H. Lee, O-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14, 403–406 (2014).
[Crossref]

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Kim, J.-T.

P.-J. Kim, J.-H. Jeong, M. Jazbinšek, S.-J. Kwon, H. Yun, J.-T. Kim, Y. S. Lee, I.-H. Baek, F. Rotermund, P. Günter, and O-P. Kwon, “Acentric nonlinear optical N-benzyl stilbazolium crystals with high environmental stability and enhanced molecular nonlinearity in solid state,” CrystEngComm 13, 444–451 (2011).
[Crossref]

Kim, P.-J.

P.-J. Kim, J.-H. Jeong, M. Jazbinšek, S.-J. Kwon, H. Yun, J.-T. Kim, Y. S. Lee, I.-H. Baek, F. Rotermund, P. Günter, and O-P. Kwon, “Acentric nonlinear optical N-benzyl stilbazolium crystals with high environmental stability and enhanced molecular nonlinearity in solid state,” CrystEngComm 13, 444–451 (2011).
[Crossref]

Kwon, O.-P.

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Kwon, O-P.

B. J. Kang, I. H. Baek, J.-H. Jeong, J.-S. Kim, S.-H. Lee, O-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14, 403–406 (2014).
[Crossref]

P.-J. Kim, J.-H. Jeong, M. Jazbinšek, S.-J. Kwon, H. Yun, J.-T. Kim, Y. S. Lee, I.-H. Baek, F. Rotermund, P. Günter, and O-P. Kwon, “Acentric nonlinear optical N-benzyl stilbazolium crystals with high environmental stability and enhanced molecular nonlinearity in solid state,” CrystEngComm 13, 444–451 (2011).
[Crossref]

F. D. J. Brunner, O-P. Kwon, S.-J. Kwon, M. Jazbinšek, A. Schneider, and P. Günter, “A hydrogen-bonded organic nonlinear optical crystal for high-efficiency terahertz generation and detection,” Opt. Express 16, 16496–16508 (2008).
[Crossref] [PubMed]

Kwon, S.-J.

P.-J. Kim, J.-H. Jeong, M. Jazbinšek, S.-J. Kwon, H. Yun, J.-T. Kim, Y. S. Lee, I.-H. Baek, F. Rotermund, P. Günter, and O-P. Kwon, “Acentric nonlinear optical N-benzyl stilbazolium crystals with high environmental stability and enhanced molecular nonlinearity in solid state,” CrystEngComm 13, 444–451 (2011).
[Crossref]

F. D. J. Brunner, O-P. Kwon, S.-J. Kwon, M. Jazbinšek, A. Schneider, and P. Günter, “A hydrogen-bonded organic nonlinear optical crystal for high-efficiency terahertz generation and detection,” Opt. Express 16, 16496–16508 (2008).
[Crossref] [PubMed]

Lee, J.-H.

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Lee, S.-C.

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Lee, S.-H.

B. J. Kang, I. H. Baek, J.-H. Jeong, J.-S. Kim, S.-H. Lee, O-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14, 403–406 (2014).
[Crossref]

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

Lee, Y. S.

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

P.-J. Kim, J.-H. Jeong, M. Jazbinšek, S.-J. Kwon, H. Yun, J.-T. Kim, Y. S. Lee, I.-H. Baek, F. Rotermund, P. Günter, and O-P. Kwon, “Acentric nonlinear optical N-benzyl stilbazolium crystals with high environmental stability and enhanced molecular nonlinearity in solid state,” CrystEngComm 13, 444–451 (2011).
[Crossref]

Liu, C.-H.

Matthäus, G.

B. Pradarutti, G. Matthäus, S. Riehemann, G. Notni, S. Nolte, and A. Tünnermann, “Highly efficient terahertz electro-optic sampling by material optimization at 1060 nm,” Opt. Commun. 281, 5031–5035 (2008).
[Crossref]

Morandotti, R.

Nahata, A.

A. Nahata, A. S. Weling, and T. F. Heinz, “A wideband coherent terahertz spectroscopy system using optical rectification and electro-optic sampling,” Appl. Phys. Lett. 69, 2321–2323 (1996).
[Crossref]

Neis, M.

Nelson, K. A.

Nolte, S.

B. Pradarutti, G. Matthäus, S. Riehemann, G. Notni, S. Nolte, and A. Tünnermann, “Highly efficient terahertz electro-optic sampling by material optimization at 1060 nm,” Opt. Commun. 281, 5031–5035 (2008).
[Crossref]

Norris, T. B.

Notni, G.

B. Pradarutti, G. Matthäus, S. Riehemann, G. Notni, S. Nolte, and A. Tünnermann, “Highly efficient terahertz electro-optic sampling by material optimization at 1060 nm,” Opt. Commun. 281, 5031–5035 (2008).
[Crossref]

Ozaki, T.

Pradarutti, B.

B. Pradarutti, G. Matthäus, S. Riehemann, G. Notni, S. Nolte, and A. Tünnermann, “Highly efficient terahertz electro-optic sampling by material optimization at 1060 nm,” Opt. Commun. 281, 5031–5035 (2008).
[Crossref]

Razzari, L.

Reid, M.

Riehemann, S.

B. Pradarutti, G. Matthäus, S. Riehemann, G. Notni, S. Nolte, and A. Tünnermann, “Highly efficient terahertz electro-optic sampling by material optimization at 1060 nm,” Opt. Commun. 281, 5031–5035 (2008).
[Crossref]

Rotermund, F.

B. J. Kang, I. H. Baek, J.-H. Jeong, J.-S. Kim, S.-H. Lee, O-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14, 403–406 (2014).
[Crossref]

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

P.-J. Kim, J.-H. Jeong, M. Jazbinšek, S.-J. Kwon, H. Yun, J.-T. Kim, Y. S. Lee, I.-H. Baek, F. Rotermund, P. Günter, and O-P. Kwon, “Acentric nonlinear optical N-benzyl stilbazolium crystals with high environmental stability and enhanced molecular nonlinearity in solid state,” CrystEngComm 13, 444–451 (2011).
[Crossref]

Ruchert, C.

Ruiz, B.

Schneider, A.

A. Schneider, “Theory of terahertz pulse generation through optical rectification in a nonlinear optical material with a finite size,” Phys. Rev. A 82, 033825 (2010).
[Crossref]

F. D. J. Brunner, A. Schneider, and P. Günter, “Velocity-matched terahertz generation by optical rectification in an organic nonlinear optical crystal using a Ti:sapphire laser,” Appl. Phys. Lett. 94, 061119 (2009).
[Crossref]

F. D. J. Brunner, O-P. Kwon, S.-J. Kwon, M. Jazbinšek, A. Schneider, and P. Günter, “A hydrogen-bonded organic nonlinear optical crystal for high-efficiency terahertz generation and detection,” Opt. Express 16, 16496–16508 (2008).
[Crossref] [PubMed]

M. Stillhart, A. Schneider, and P. Günter, “Optical properties of 4-N,N-dimethylamino-4′-N′-methyl-stilbazolium 2,4,6-trimethylbenzenesulfonate crystals at terahertz frequencies,” J. Opt. Soc. Am. B 25, 1914–1919 (2008).
[Crossref]

A. Schneider, F. D. J. Brunner, and P. Günter, “Determination of the refractive index over a wide wavelength range through time-delay measurements of femtosecond pulses,” Opt. Commun. 275, 354–358 (2007).
[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]

Sharma, G.

Smith, W. L.

J. H. Bechtel and W. L. Smith, “Two-photon absorption in semiconductors with picosecond laser pulses,” Phys. Rev. B 13, 3515–3522 (1976).
[Crossref]

Stillhart, M.

Tiedje, H. F.

Tonouchi, M.

M. Tonouchi, “Cutting-edge terahertz technology,” Nat. Photonics 1, 97–105 (2007).
[Crossref]

Tünnermann, A.

B. Pradarutti, G. Matthäus, S. Riehemann, G. Notni, S. Nolte, and A. Tünnermann, “Highly efficient terahertz electro-optic sampling by material optimization at 1060 nm,” Opt. Commun. 281, 5031–5035 (2008).
[Crossref]

Vicario, C.

Weling, A. S.

A. Nahata, A. S. Weling, and T. F. Heinz, “A wideband coherent terahertz spectroscopy system using optical rectification and electro-optic sampling,” Appl. Phys. Lett. 69, 2321–2323 (1996).
[Crossref]

Williamson, S. L.

Yeh, K.-L.

Yun, H.

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

P.-J. Kim, J.-H. Jeong, M. Jazbinšek, S.-J. Kwon, H. Yun, J.-T. Kim, Y. S. Lee, I.-H. Baek, F. Rotermund, P. Günter, and O-P. Kwon, “Acentric nonlinear optical N-benzyl stilbazolium crystals with high environmental stability and enhanced molecular nonlinearity in solid state,” CrystEngComm 13, 444–451 (2011).
[Crossref]

Zapata, L. E.

Appl. Phys. Lett. (3)

A. Nahata, A. S. Weling, and T. F. Heinz, “A wideband coherent terahertz spectroscopy system using optical rectification and electro-optic sampling,” Appl. Phys. Lett. 69, 2321–2323 (1996).
[Crossref]

F. D. J. Brunner, A. Schneider, and P. Günter, “Velocity-matched terahertz generation by optical rectification in an organic nonlinear optical crystal using a Ti:sapphire laser,” Appl. Phys. Lett. 94, 061119 (2009).
[Crossref]

C. P. Hauri, C. Ruchert, C. Vicario, and F. Ardana, “Strong-field single-cycle THz pulses generated in an organic crystal,” Appl. Phys. Lett. 99, 161116 (2011).
[Crossref]

CrystEngComm (1)

P.-J. Kim, J.-H. Jeong, M. Jazbinšek, S.-J. Kwon, H. Yun, J.-T. Kim, Y. S. Lee, I.-H. Baek, F. Rotermund, P. Günter, and O-P. Kwon, “Acentric nonlinear optical N-benzyl stilbazolium crystals with high environmental stability and enhanced molecular nonlinearity in solid state,” CrystEngComm 13, 444–451 (2011).
[Crossref]

Curr. Appl. Phys. (1)

B. J. Kang, I. H. Baek, J.-H. Jeong, J.-S. Kim, S.-H. Lee, O-P. Kwon, and F. Rotermund, “Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals,” Curr. Appl. Phys. 14, 403–406 (2014).
[Crossref]

J. Opt. Soc. Am. B (2)

Nat. Photonics (1)

M. Tonouchi, “Cutting-edge terahertz technology,” Nat. Photonics 1, 97–105 (2007).
[Crossref]

Opt. Commun. (2)

A. Schneider, F. D. J. Brunner, and P. Günter, “Determination of the refractive index over a wide wavelength range through time-delay measurements of femtosecond pulses,” Opt. Commun. 275, 354–358 (2007).
[Crossref]

B. Pradarutti, G. Matthäus, S. Riehemann, G. Notni, S. Nolte, and A. Tünnermann, “Highly efficient terahertz electro-optic sampling by material optimization at 1060 nm,” Opt. Commun. 281, 5031–5035 (2008).
[Crossref]

Opt. Express (5)

Opt. Lett. (2)

Phys. Rev. A (1)

A. Schneider, “Theory of terahertz pulse generation through optical rectification in a nonlinear optical material with a finite size,” Phys. Rev. A 82, 033825 (2010).
[Crossref]

Phys. Rev. B (1)

J. H. Bechtel and W. L. Smith, “Two-photon absorption in semiconductors with picosecond laser pulses,” Phys. Rev. B 13, 3515–3522 (1976).
[Crossref]

Sci. Rep. (1)

J.-H. Jeong, B.-J. Kang, J.-S. Kim, M. Jazbinšek, S.-H. Lee, S.-C. Lee, I.-H. Baek, H. Yun, J. Kim, Y. S. Lee, J.-H. Lee, J.-H. Kim, F. Rotermund, and O.-P. Kwon, “High-power broadband organic THz generator,” Sci. Rep. 3, 3200 (2013).
[Crossref] [PubMed]

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Figures (4)

Fig. 1
Fig. 1

Linear optical properties of HMQ-TMS crystals for light polarized along the polar axis. (a) Optical group index ng,3 (dots). The dotted line represents the best fit to the measured data of the Sellmeier equation for the optical group index ng,3 according to the Eqs. (1) and (2) with the parameters listed in Table 1. The solid line corresponds to the refractive index n3 calculated from the Sellmeier equation. (b) Absorption coefficient α3. The inset shows a semilogarithmic plot of α3 for a better readability of the graph near the absorption edge.

Fig. 2
Fig. 2

(a) Refractive index n3 and (b) absorption coefficient α3 of HMQ-TMS crystals for THz waves polarized along the polar axis.

Fig. 3
Fig. 3

(a) The optimum crystal length for the highest conversion efficiency and (b) the maximum effective generation length for THz pulse generation in HMQ-TMS crystals for the laser wavelengths 800 nm (black solid line), 1000 nm (red dotted line), and 1500 nm (blue dashed line).

Fig. 4
Fig. 4

THz pulse generated in a 0.2 mm thick HMQ-TMS crystal and detected in a 1 mm thick ZnTe crystal (red solid line). (a) Time-domain and (b) frequency-domain signal. THz pulse emitted from a 0.3 mm thick GaP crystal under identical conditions for comparison (black dotted line).

Tables (1)

Tables Icon

Table 1 Parameters of the Sellmeier dispersion formula for the refractive index n3(λ) of HMQ-TMS crystals in the spectral range between 600 and 2000 nm [see Eq. (1)].

Equations (6)

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n 3 ( λ ) = ( n 0 2 + q λ 0 2 λ 2 λ 0 2 ) 1 / 2 ,
n g , 3 ( λ ) = n 3 ( λ ) λ d n 3 d λ ( λ ) .
| E THz ( ν ) | = | μ 0 χ ( 2 ) ( ν , λ ) 2 π ν I ( ν ) n o ( λ ) [ c 2 π ν ( α T ( ν ) 2 + α o ( λ ) ) + i ( n T ( ν ) + n g ( λ ) ) ] | l gen ( ν , λ , l ) ,
l gen ( ν , λ , l ) = ( exp ( 2 α o ( λ ) l ) + exp ( α T ( ν ) l ) 2 exp ( [ α o ( λ ) + α T ( ν ) 2 ] l ) cos ( π l l c ( ν , λ ) ) ( α T ( ν ) 2 α o ( λ ) ) 2 + ( π l c ( ν , λ ) ) 2 ) 1 / 2 ,
l c ( ν , λ ) = c 2 ν | n T ( ν ) n g ( λ ) |
l gen ( ν , λ , l ) = | sinc ( π l 2 l c ( ν , λ ) ) l | ,

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