Abstract

A novel source of continuous-wave terahertz radiation based on difference frequency generation (DFG) in GaAs crystal is proposed. Phase matching is provided using integration of appropriate optical and terahertz waveguides based on dispersive properties of GaAs. The output frequency can be tuned between 0–3.5 THz by tuning the incident wavelengths in the range of 1.5–1.6 µm.

© 2008 Optical Society of America

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  1. M. Tonouchi, "Cutting-edge terahertz technology," Nat. Photonics 1, 97-105 (2007).
    [CrossRef]
  2. Y. J. Ding, J. B. Khurgin, "A new scheme for efficient generation of coherent and incoherent submillimeter to THz waves in periodically-poled lithium niobate," Opt. Commun. 148, 105-109 (1998).
    [CrossRef]
  3. Y. J. Ding, "High-power tunable terahertz sources based on parametric processes and applications," IEEE J. Sel. Top. Quantum Electron. 13, 705-720 (2007).
    [CrossRef]
  4. A. Yariv, Optical electronics in modern communications, (Oxford Univ. Press, 5th Ed., 1997), Chapter 8.
  5. K.L. Vodopyanov, M.M. Fejer, X. Yu, J. S. Harris, Y.-S. Lee, W.C. Hurlbut, V.G. Kozlov, "Terahertz-wave generation in quasi-phase-matched GaAs," Appl. Phys. Lett.  89, 141119 (2006).
    [CrossRef]
  6. A. Flore, V. Berger, E. Rosencher, P. Bravetti, J. Nagle, "Phase matching using an isotropic nonlinear optical material," Nature 39, 463-466 (1998).
  7. F. Rahmatian, N. A. F. Jaeger, R. James, E. Berolo, "An ultrahigh-speed AlGaAs-GaAs polarization converter using slow-wave coplanar electrodes," IEEE Photon. Technol. Lett. 10, 675 (1998).
    [CrossRef]
  8. S. S. Dhillon, C. Sirtori, J. Alton, S. Barbieri, A. De Rossi, A. E. Beere, D. A. Ritchie, "Terahertz transfer onto a telecom optical carrier," Nat. Photonics 1, 411-415 (2007).
    [CrossRef]
  9. V. Loyo-Maldonado, H. K. Lee, C. R. Stanely, S. V. Rao, K. Moutzouris, M. Ebrahimzadeh, J.S. Aitchison, "Generation of ultrashort electrical pulses in semiconductor waveguides," IEEE Photon.Technol. Lett.,  15, 428-430 (2003).
    [CrossRef]
  10. J.-I Nishizawa, K. Suto, T. Tanabe, K. Saito, T. Kimaru, Y. Oyama, "THz generation from GaP rod-type waveguides," IEEE Photon. Technol. Lett.,  19, 143-145 (2007).
    [CrossRef]
  11. T. Baher-Jones, M. Hochberg, R. Soref, A. Scherer, "Design of a tunable, room temprature, continuous-wave terahertz source and detector using silicon waveguides," J. Opt. Soc. Am. B  25, 261-269 (2008).
    [CrossRef]
  12. M. R. Brozel, G. E. Stillman, Properties of gallium arsenide, ( IET, 1996) Chap. 5.
  13. M. Wachter, M. Nagel, H. Kurz, "Metallic slit waveguide for dispersion-free low-loss terahertz signal transmission," Appl. Phys. Lett.  90, 061111 (2007).
    [CrossRef]
  14. J. Zhang, J. D. Bull, T. E. Darcie, "Microwave photonic signal detection using phase-matched optical rectification in an AlGaAs waveguide," IEEE Photon. Technol. Lett. 19,2012-2014 (2007).
    [CrossRef]
  15. K. L. Vodopyanov, "Optical generation of narrow-band terahertz packets in periodically-inverted electro-optic crystals: conversion efficiency and optimal laser pulse format," Opt. Express 14, 2263-2276 (2006).
    [CrossRef] [PubMed]
  16. U. Peschel, K. Bubke, D. C. Hutchings, J. S. Aitchison, J. M. Arnold, "Optical rectification in a traveling-wave geometry," Phys. Rev. A  60, 4918-4926 (1999).
    [CrossRef]
  17. W. C. Hurlbut, Y.-S. Lee, K. L. Vodopyanov, P. S. Kuo, M. M. Fejer, "Multiphoton absorption and nonlinear refraction of GaAs in the mid-infrared," Opt. Lett. 32, 668-670 (2007).
    [CrossRef] [PubMed]

2008 (1)

2007 (6)

M. Wachter, M. Nagel, H. Kurz, "Metallic slit waveguide for dispersion-free low-loss terahertz signal transmission," Appl. Phys. Lett.  90, 061111 (2007).
[CrossRef]

J. Zhang, J. D. Bull, T. E. Darcie, "Microwave photonic signal detection using phase-matched optical rectification in an AlGaAs waveguide," IEEE Photon. Technol. Lett. 19,2012-2014 (2007).
[CrossRef]

W. C. Hurlbut, Y.-S. Lee, K. L. Vodopyanov, P. S. Kuo, M. M. Fejer, "Multiphoton absorption and nonlinear refraction of GaAs in the mid-infrared," Opt. Lett. 32, 668-670 (2007).
[CrossRef] [PubMed]

Y. J. Ding, "High-power tunable terahertz sources based on parametric processes and applications," IEEE J. Sel. Top. Quantum Electron. 13, 705-720 (2007).
[CrossRef]

M. Tonouchi, "Cutting-edge terahertz technology," Nat. Photonics 1, 97-105 (2007).
[CrossRef]

J.-I Nishizawa, K. Suto, T. Tanabe, K. Saito, T. Kimaru, Y. Oyama, "THz generation from GaP rod-type waveguides," IEEE Photon. Technol. Lett.,  19, 143-145 (2007).
[CrossRef]

2006 (2)

K.L. Vodopyanov, M.M. Fejer, X. Yu, J. S. Harris, Y.-S. Lee, W.C. Hurlbut, V.G. Kozlov, "Terahertz-wave generation in quasi-phase-matched GaAs," Appl. Phys. Lett.  89, 141119 (2006).
[CrossRef]

K. L. Vodopyanov, "Optical generation of narrow-band terahertz packets in periodically-inverted electro-optic crystals: conversion efficiency and optimal laser pulse format," Opt. Express 14, 2263-2276 (2006).
[CrossRef] [PubMed]

2003 (1)

V. Loyo-Maldonado, H. K. Lee, C. R. Stanely, S. V. Rao, K. Moutzouris, M. Ebrahimzadeh, J.S. Aitchison, "Generation of ultrashort electrical pulses in semiconductor waveguides," IEEE Photon.Technol. Lett.,  15, 428-430 (2003).
[CrossRef]

1999 (1)

U. Peschel, K. Bubke, D. C. Hutchings, J. S. Aitchison, J. M. Arnold, "Optical rectification in a traveling-wave geometry," Phys. Rev. A  60, 4918-4926 (1999).
[CrossRef]

1998 (3)

Y. J. Ding, J. B. Khurgin, "A new scheme for efficient generation of coherent and incoherent submillimeter to THz waves in periodically-poled lithium niobate," Opt. Commun. 148, 105-109 (1998).
[CrossRef]

A. Flore, V. Berger, E. Rosencher, P. Bravetti, J. Nagle, "Phase matching using an isotropic nonlinear optical material," Nature 39, 463-466 (1998).

F. Rahmatian, N. A. F. Jaeger, R. James, E. Berolo, "An ultrahigh-speed AlGaAs-GaAs polarization converter using slow-wave coplanar electrodes," IEEE Photon. Technol. Lett. 10, 675 (1998).
[CrossRef]

Aitchison, J. S.

U. Peschel, K. Bubke, D. C. Hutchings, J. S. Aitchison, J. M. Arnold, "Optical rectification in a traveling-wave geometry," Phys. Rev. A  60, 4918-4926 (1999).
[CrossRef]

Aitchison, J.S.

V. Loyo-Maldonado, H. K. Lee, C. R. Stanely, S. V. Rao, K. Moutzouris, M. Ebrahimzadeh, J.S. Aitchison, "Generation of ultrashort electrical pulses in semiconductor waveguides," IEEE Photon.Technol. Lett.,  15, 428-430 (2003).
[CrossRef]

Alton, J.

S. S. Dhillon, C. Sirtori, J. Alton, S. Barbieri, A. De Rossi, A. E. Beere, D. A. Ritchie, "Terahertz transfer onto a telecom optical carrier," Nat. Photonics 1, 411-415 (2007).
[CrossRef]

Arnold, J. M.

U. Peschel, K. Bubke, D. C. Hutchings, J. S. Aitchison, J. M. Arnold, "Optical rectification in a traveling-wave geometry," Phys. Rev. A  60, 4918-4926 (1999).
[CrossRef]

Baher-Jones, T.

Barbieri, S.

S. S. Dhillon, C. Sirtori, J. Alton, S. Barbieri, A. De Rossi, A. E. Beere, D. A. Ritchie, "Terahertz transfer onto a telecom optical carrier," Nat. Photonics 1, 411-415 (2007).
[CrossRef]

Beere, A. E.

S. S. Dhillon, C. Sirtori, J. Alton, S. Barbieri, A. De Rossi, A. E. Beere, D. A. Ritchie, "Terahertz transfer onto a telecom optical carrier," Nat. Photonics 1, 411-415 (2007).
[CrossRef]

Berger, V.

A. Flore, V. Berger, E. Rosencher, P. Bravetti, J. Nagle, "Phase matching using an isotropic nonlinear optical material," Nature 39, 463-466 (1998).

Berolo, E.

F. Rahmatian, N. A. F. Jaeger, R. James, E. Berolo, "An ultrahigh-speed AlGaAs-GaAs polarization converter using slow-wave coplanar electrodes," IEEE Photon. Technol. Lett. 10, 675 (1998).
[CrossRef]

Bravetti, P.

A. Flore, V. Berger, E. Rosencher, P. Bravetti, J. Nagle, "Phase matching using an isotropic nonlinear optical material," Nature 39, 463-466 (1998).

Bubke, K.

U. Peschel, K. Bubke, D. C. Hutchings, J. S. Aitchison, J. M. Arnold, "Optical rectification in a traveling-wave geometry," Phys. Rev. A  60, 4918-4926 (1999).
[CrossRef]

Bull, J. D.

J. Zhang, J. D. Bull, T. E. Darcie, "Microwave photonic signal detection using phase-matched optical rectification in an AlGaAs waveguide," IEEE Photon. Technol. Lett. 19,2012-2014 (2007).
[CrossRef]

Darcie, T. E.

J. Zhang, J. D. Bull, T. E. Darcie, "Microwave photonic signal detection using phase-matched optical rectification in an AlGaAs waveguide," IEEE Photon. Technol. Lett. 19,2012-2014 (2007).
[CrossRef]

De Rossi, A.

S. S. Dhillon, C. Sirtori, J. Alton, S. Barbieri, A. De Rossi, A. E. Beere, D. A. Ritchie, "Terahertz transfer onto a telecom optical carrier," Nat. Photonics 1, 411-415 (2007).
[CrossRef]

Dhillon, S. S.

S. S. Dhillon, C. Sirtori, J. Alton, S. Barbieri, A. De Rossi, A. E. Beere, D. A. Ritchie, "Terahertz transfer onto a telecom optical carrier," Nat. Photonics 1, 411-415 (2007).
[CrossRef]

Ding, Y. J.

Y. J. Ding, "High-power tunable terahertz sources based on parametric processes and applications," IEEE J. Sel. Top. Quantum Electron. 13, 705-720 (2007).
[CrossRef]

Y. J. Ding, J. B. Khurgin, "A new scheme for efficient generation of coherent and incoherent submillimeter to THz waves in periodically-poled lithium niobate," Opt. Commun. 148, 105-109 (1998).
[CrossRef]

Ebrahimzadeh, M.

V. Loyo-Maldonado, H. K. Lee, C. R. Stanely, S. V. Rao, K. Moutzouris, M. Ebrahimzadeh, J.S. Aitchison, "Generation of ultrashort electrical pulses in semiconductor waveguides," IEEE Photon.Technol. Lett.,  15, 428-430 (2003).
[CrossRef]

Fejer, M. M.

Fejer, M.M.

K.L. Vodopyanov, M.M. Fejer, X. Yu, J. S. Harris, Y.-S. Lee, W.C. Hurlbut, V.G. Kozlov, "Terahertz-wave generation in quasi-phase-matched GaAs," Appl. Phys. Lett.  89, 141119 (2006).
[CrossRef]

Flore, A.

A. Flore, V. Berger, E. Rosencher, P. Bravetti, J. Nagle, "Phase matching using an isotropic nonlinear optical material," Nature 39, 463-466 (1998).

Harris, J. S.

K.L. Vodopyanov, M.M. Fejer, X. Yu, J. S. Harris, Y.-S. Lee, W.C. Hurlbut, V.G. Kozlov, "Terahertz-wave generation in quasi-phase-matched GaAs," Appl. Phys. Lett.  89, 141119 (2006).
[CrossRef]

Hochberg, M.

Hurlbut, W. C.

Hurlbut, W.C.

K.L. Vodopyanov, M.M. Fejer, X. Yu, J. S. Harris, Y.-S. Lee, W.C. Hurlbut, V.G. Kozlov, "Terahertz-wave generation in quasi-phase-matched GaAs," Appl. Phys. Lett.  89, 141119 (2006).
[CrossRef]

Hutchings, D. C.

U. Peschel, K. Bubke, D. C. Hutchings, J. S. Aitchison, J. M. Arnold, "Optical rectification in a traveling-wave geometry," Phys. Rev. A  60, 4918-4926 (1999).
[CrossRef]

Jaeger, N. A. F.

F. Rahmatian, N. A. F. Jaeger, R. James, E. Berolo, "An ultrahigh-speed AlGaAs-GaAs polarization converter using slow-wave coplanar electrodes," IEEE Photon. Technol. Lett. 10, 675 (1998).
[CrossRef]

James, R.

F. Rahmatian, N. A. F. Jaeger, R. James, E. Berolo, "An ultrahigh-speed AlGaAs-GaAs polarization converter using slow-wave coplanar electrodes," IEEE Photon. Technol. Lett. 10, 675 (1998).
[CrossRef]

Khurgin, J. B.

Y. J. Ding, J. B. Khurgin, "A new scheme for efficient generation of coherent and incoherent submillimeter to THz waves in periodically-poled lithium niobate," Opt. Commun. 148, 105-109 (1998).
[CrossRef]

Kimaru, T.

J.-I Nishizawa, K. Suto, T. Tanabe, K. Saito, T. Kimaru, Y. Oyama, "THz generation from GaP rod-type waveguides," IEEE Photon. Technol. Lett.,  19, 143-145 (2007).
[CrossRef]

Kozlov, V.G.

K.L. Vodopyanov, M.M. Fejer, X. Yu, J. S. Harris, Y.-S. Lee, W.C. Hurlbut, V.G. Kozlov, "Terahertz-wave generation in quasi-phase-matched GaAs," Appl. Phys. Lett.  89, 141119 (2006).
[CrossRef]

Kuo, P. S.

Kurz, H.

M. Wachter, M. Nagel, H. Kurz, "Metallic slit waveguide for dispersion-free low-loss terahertz signal transmission," Appl. Phys. Lett.  90, 061111 (2007).
[CrossRef]

Lee, H. K.

V. Loyo-Maldonado, H. K. Lee, C. R. Stanely, S. V. Rao, K. Moutzouris, M. Ebrahimzadeh, J.S. Aitchison, "Generation of ultrashort electrical pulses in semiconductor waveguides," IEEE Photon.Technol. Lett.,  15, 428-430 (2003).
[CrossRef]

Lee, Y.-S.

W. C. Hurlbut, Y.-S. Lee, K. L. Vodopyanov, P. S. Kuo, M. M. Fejer, "Multiphoton absorption and nonlinear refraction of GaAs in the mid-infrared," Opt. Lett. 32, 668-670 (2007).
[CrossRef] [PubMed]

K.L. Vodopyanov, M.M. Fejer, X. Yu, J. S. Harris, Y.-S. Lee, W.C. Hurlbut, V.G. Kozlov, "Terahertz-wave generation in quasi-phase-matched GaAs," Appl. Phys. Lett.  89, 141119 (2006).
[CrossRef]

Loyo-Maldonado, V.

V. Loyo-Maldonado, H. K. Lee, C. R. Stanely, S. V. Rao, K. Moutzouris, M. Ebrahimzadeh, J.S. Aitchison, "Generation of ultrashort electrical pulses in semiconductor waveguides," IEEE Photon.Technol. Lett.,  15, 428-430 (2003).
[CrossRef]

Moutzouris, K.

V. Loyo-Maldonado, H. K. Lee, C. R. Stanely, S. V. Rao, K. Moutzouris, M. Ebrahimzadeh, J.S. Aitchison, "Generation of ultrashort electrical pulses in semiconductor waveguides," IEEE Photon.Technol. Lett.,  15, 428-430 (2003).
[CrossRef]

Nagel, M.

M. Wachter, M. Nagel, H. Kurz, "Metallic slit waveguide for dispersion-free low-loss terahertz signal transmission," Appl. Phys. Lett.  90, 061111 (2007).
[CrossRef]

Nagle, J.

A. Flore, V. Berger, E. Rosencher, P. Bravetti, J. Nagle, "Phase matching using an isotropic nonlinear optical material," Nature 39, 463-466 (1998).

Nishizawa, J.-I

J.-I Nishizawa, K. Suto, T. Tanabe, K. Saito, T. Kimaru, Y. Oyama, "THz generation from GaP rod-type waveguides," IEEE Photon. Technol. Lett.,  19, 143-145 (2007).
[CrossRef]

Oyama, Y.

J.-I Nishizawa, K. Suto, T. Tanabe, K. Saito, T. Kimaru, Y. Oyama, "THz generation from GaP rod-type waveguides," IEEE Photon. Technol. Lett.,  19, 143-145 (2007).
[CrossRef]

Peschel, U.

U. Peschel, K. Bubke, D. C. Hutchings, J. S. Aitchison, J. M. Arnold, "Optical rectification in a traveling-wave geometry," Phys. Rev. A  60, 4918-4926 (1999).
[CrossRef]

Rahmatian, F.

F. Rahmatian, N. A. F. Jaeger, R. James, E. Berolo, "An ultrahigh-speed AlGaAs-GaAs polarization converter using slow-wave coplanar electrodes," IEEE Photon. Technol. Lett. 10, 675 (1998).
[CrossRef]

Rao, S. V.

V. Loyo-Maldonado, H. K. Lee, C. R. Stanely, S. V. Rao, K. Moutzouris, M. Ebrahimzadeh, J.S. Aitchison, "Generation of ultrashort electrical pulses in semiconductor waveguides," IEEE Photon.Technol. Lett.,  15, 428-430 (2003).
[CrossRef]

Ritchie, D. A.

S. S. Dhillon, C. Sirtori, J. Alton, S. Barbieri, A. De Rossi, A. E. Beere, D. A. Ritchie, "Terahertz transfer onto a telecom optical carrier," Nat. Photonics 1, 411-415 (2007).
[CrossRef]

Rosencher, E.

A. Flore, V. Berger, E. Rosencher, P. Bravetti, J. Nagle, "Phase matching using an isotropic nonlinear optical material," Nature 39, 463-466 (1998).

Saito, K.

J.-I Nishizawa, K. Suto, T. Tanabe, K. Saito, T. Kimaru, Y. Oyama, "THz generation from GaP rod-type waveguides," IEEE Photon. Technol. Lett.,  19, 143-145 (2007).
[CrossRef]

Scherer, A.

Sirtori, C.

S. S. Dhillon, C. Sirtori, J. Alton, S. Barbieri, A. De Rossi, A. E. Beere, D. A. Ritchie, "Terahertz transfer onto a telecom optical carrier," Nat. Photonics 1, 411-415 (2007).
[CrossRef]

Soref, R.

Stanely, C. R.

V. Loyo-Maldonado, H. K. Lee, C. R. Stanely, S. V. Rao, K. Moutzouris, M. Ebrahimzadeh, J.S. Aitchison, "Generation of ultrashort electrical pulses in semiconductor waveguides," IEEE Photon.Technol. Lett.,  15, 428-430 (2003).
[CrossRef]

Suto, K.

J.-I Nishizawa, K. Suto, T. Tanabe, K. Saito, T. Kimaru, Y. Oyama, "THz generation from GaP rod-type waveguides," IEEE Photon. Technol. Lett.,  19, 143-145 (2007).
[CrossRef]

Tanabe, T.

J.-I Nishizawa, K. Suto, T. Tanabe, K. Saito, T. Kimaru, Y. Oyama, "THz generation from GaP rod-type waveguides," IEEE Photon. Technol. Lett.,  19, 143-145 (2007).
[CrossRef]

Tonouchi, M.

M. Tonouchi, "Cutting-edge terahertz technology," Nat. Photonics 1, 97-105 (2007).
[CrossRef]

Vodopyanov, K. L.

W. C. Hurlbut, Y.-S. Lee, K. L. Vodopyanov, P. S. Kuo, M. M. Fejer, "Multiphoton absorption and nonlinear refraction of GaAs in the mid-infrared," Opt. Lett. 32, 668-670 (2007).
[CrossRef] [PubMed]

K. L. Vodopyanov, "Optical generation of narrow-band terahertz packets in periodically-inverted electro-optic crystals: conversion efficiency and optimal laser pulse format," Opt. Express 14, 2263-2276 (2006).
[CrossRef] [PubMed]

Vodopyanov, K.L.

K.L. Vodopyanov, M.M. Fejer, X. Yu, J. S. Harris, Y.-S. Lee, W.C. Hurlbut, V.G. Kozlov, "Terahertz-wave generation in quasi-phase-matched GaAs," Appl. Phys. Lett.  89, 141119 (2006).
[CrossRef]

Wachter, M.

M. Wachter, M. Nagel, H. Kurz, "Metallic slit waveguide for dispersion-free low-loss terahertz signal transmission," Appl. Phys. Lett.  90, 061111 (2007).
[CrossRef]

Yu, X.

K.L. Vodopyanov, M.M. Fejer, X. Yu, J. S. Harris, Y.-S. Lee, W.C. Hurlbut, V.G. Kozlov, "Terahertz-wave generation in quasi-phase-matched GaAs," Appl. Phys. Lett.  89, 141119 (2006).
[CrossRef]

Zhang, J.

J. Zhang, J. D. Bull, T. E. Darcie, "Microwave photonic signal detection using phase-matched optical rectification in an AlGaAs waveguide," IEEE Photon. Technol. Lett. 19,2012-2014 (2007).
[CrossRef]

Appl. Phys. Lett. (2)

K.L. Vodopyanov, M.M. Fejer, X. Yu, J. S. Harris, Y.-S. Lee, W.C. Hurlbut, V.G. Kozlov, "Terahertz-wave generation in quasi-phase-matched GaAs," Appl. Phys. Lett.  89, 141119 (2006).
[CrossRef]

M. Wachter, M. Nagel, H. Kurz, "Metallic slit waveguide for dispersion-free low-loss terahertz signal transmission," Appl. Phys. Lett.  90, 061111 (2007).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron. (1)

Y. J. Ding, "High-power tunable terahertz sources based on parametric processes and applications," IEEE J. Sel. Top. Quantum Electron. 13, 705-720 (2007).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

J.-I Nishizawa, K. Suto, T. Tanabe, K. Saito, T. Kimaru, Y. Oyama, "THz generation from GaP rod-type waveguides," IEEE Photon. Technol. Lett.,  19, 143-145 (2007).
[CrossRef]

IEEE Photon.Technol. Lett. (3)

V. Loyo-Maldonado, H. K. Lee, C. R. Stanely, S. V. Rao, K. Moutzouris, M. Ebrahimzadeh, J.S. Aitchison, "Generation of ultrashort electrical pulses in semiconductor waveguides," IEEE Photon.Technol. Lett.,  15, 428-430 (2003).
[CrossRef]

J. Zhang, J. D. Bull, T. E. Darcie, "Microwave photonic signal detection using phase-matched optical rectification in an AlGaAs waveguide," IEEE Photon. Technol. Lett. 19,2012-2014 (2007).
[CrossRef]

F. Rahmatian, N. A. F. Jaeger, R. James, E. Berolo, "An ultrahigh-speed AlGaAs-GaAs polarization converter using slow-wave coplanar electrodes," IEEE Photon. Technol. Lett. 10, 675 (1998).
[CrossRef]

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

Nat. Photonics (1)

M. Tonouchi, "Cutting-edge terahertz technology," Nat. Photonics 1, 97-105 (2007).
[CrossRef]

Nature (1)

A. Flore, V. Berger, E. Rosencher, P. Bravetti, J. Nagle, "Phase matching using an isotropic nonlinear optical material," Nature 39, 463-466 (1998).

Opt. Commun. (1)

Y. J. Ding, J. B. Khurgin, "A new scheme for efficient generation of coherent and incoherent submillimeter to THz waves in periodically-poled lithium niobate," Opt. Commun. 148, 105-109 (1998).
[CrossRef]

Opt. Lett. (1)

Optics Express (1)

K. L. Vodopyanov, "Optical generation of narrow-band terahertz packets in periodically-inverted electro-optic crystals: conversion efficiency and optimal laser pulse format," Opt. Express 14, 2263-2276 (2006).
[CrossRef] [PubMed]

Phys. Rev. A (1)

U. Peschel, K. Bubke, D. C. Hutchings, J. S. Aitchison, J. M. Arnold, "Optical rectification in a traveling-wave geometry," Phys. Rev. A  60, 4918-4926 (1999).
[CrossRef]

Other (3)

M. R. Brozel, G. E. Stillman, Properties of gallium arsenide, ( IET, 1996) Chap. 5.

A. Yariv, Optical electronics in modern communications, (Oxford Univ. Press, 5th Ed., 1997), Chapter 8.

S. S. Dhillon, C. Sirtori, J. Alton, S. Barbieri, A. De Rossi, A. E. Beere, D. A. Ritchie, "Terahertz transfer onto a telecom optical carrier," Nat. Photonics 1, 411-415 (2007).
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Figures (5)

Fig. 1.
Fig. 1.

The optical refractive index (solid line) and group index (dash-dot line) and the terahertz refractive index (dash line) of GaAs.

Fig. 2.
Fig. 2.

The proposed device which is an integration of a dielectric slab and a metallic slit waveguide (The drawing is not to scale; dimensions are specified in table 1).

Fig. 3.
Fig. 3.

Electric field distribution of (a) the optical mode, and (b) the terahertz mode.

Fig. 4.
Fig. 4.

The effective group index of the optical waveguide and the effective index of the terahertz waveguide. Horizontal dash lines show the range of optical group index for the wavelengths in between 1.5 and 1.6 µm which can be matched to a terahertz effective index up to 3.5 THz.

Fig. 5.
Fig. 5.

Normalized output power vs. index mismatch for different device lengths.

Tables (2)

Tables Icon

Table 1. Design parameters.

Tables Icon

Table 2. Parameters used in Eq. (5) for calculation of the output power at Ω THz =2π×2 THz, while optical wavelengths are about 1.55µm.

Equations (6)

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Ω THz = ω 1 ω 2 ,
k THz = k 1 k 2 ;
Ω THz k THz = ω 1 ω 2 k 1 k 2 .
Ω THz k THz = d ω optical d k optical .
P THz = 2 A THz eff ( A optical eff ) 2 ( d Γ ) 2 ( μ ε 0 ) 3 2 P 1 P 2 Ω THz 2 n 1 n 2 n THz ( e α THz 2 L 1 α THz 2 ) 2 ,
A i eff E i ( x , y ) 2 dxdy max ( E i ( x , y ) ) 2 ,

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