Abstract

We describe and demonstrate sensitive room-temperature detection of terahertz (THz) radiation by nonlinearly upconverting terahertz to the near-infrared regime, relying on telecommications components. THz radiation at 700GHz is mixed with pump light at 1550nm in a bulk GaAs crystal to generate an idler wave at 1555.6nm, which is separated and detected by using a commercial p-i-n diode. The THz detector operates at room temperature and has an intrinsic THz-to-optical photon conversion efficiency of 0.001%.

© 2007 Optical Society of America

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References

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  1. Y. C. Chen, T. Lo, P. F. Taday, B. E. Cole, W. R. Tribe, and M. C. Kemp, Appl. Phys. Lett. 86, 241116 (2005).
    [CrossRef]
  2. J. C. Chen and S. Kaushik, IEEE Photon. Technol. Lett. 19, 486 (2007).
    [CrossRef]
  3. A. M. Sinyukov, A. Bandyopadhyay, A. Sengupta, R. B. Barat, D. E. Gary, Z. Michalopoulou, D. Zimdars, and J. F. Federici, Proc. SPIE 6373, 63730 (2006).
    [CrossRef]
  4. P. Siegel, IEEE Trans. Microwave Theory Tech. 50, 910 (2002).
    [CrossRef]
  5. R. W. Boyd, Nonlinear Optics, 2nd ed. (Academic, 2003).
  6. Y. J. Ding, Solid-State Electron. 50, 1128 (2006).
    [CrossRef]
  7. R. Guo, T. Ikari, H. Minamide, and H. Ito, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2007), paper QPDA7.
    [PubMed]
  8. V. G. Dmitriev, G. G. Gurzadyan, D. N. Nikogosyan, Handbook of Nonlinear Optical Crystals, Vol. 64 of Springer Series in Optical Sciences (Springer-Verlag, 1997).
  9. E. D. Pallik, Handbook of Optical Constants of Solids (Academic, 1998).

2007 (1)

J. C. Chen and S. Kaushik, IEEE Photon. Technol. Lett. 19, 486 (2007).
[CrossRef]

2006 (2)

A. M. Sinyukov, A. Bandyopadhyay, A. Sengupta, R. B. Barat, D. E. Gary, Z. Michalopoulou, D. Zimdars, and J. F. Federici, Proc. SPIE 6373, 63730 (2006).
[CrossRef]

Y. J. Ding, Solid-State Electron. 50, 1128 (2006).
[CrossRef]

2005 (1)

Y. C. Chen, T. Lo, P. F. Taday, B. E. Cole, W. R. Tribe, and M. C. Kemp, Appl. Phys. Lett. 86, 241116 (2005).
[CrossRef]

2002 (1)

P. Siegel, IEEE Trans. Microwave Theory Tech. 50, 910 (2002).
[CrossRef]

Appl. Phys. Lett. (1)

Y. C. Chen, T. Lo, P. F. Taday, B. E. Cole, W. R. Tribe, and M. C. Kemp, Appl. Phys. Lett. 86, 241116 (2005).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

J. C. Chen and S. Kaushik, IEEE Photon. Technol. Lett. 19, 486 (2007).
[CrossRef]

IEEE Trans. Microwave Theory Tech. (1)

P. Siegel, IEEE Trans. Microwave Theory Tech. 50, 910 (2002).
[CrossRef]

Proc. SPIE (1)

A. M. Sinyukov, A. Bandyopadhyay, A. Sengupta, R. B. Barat, D. E. Gary, Z. Michalopoulou, D. Zimdars, and J. F. Federici, Proc. SPIE 6373, 63730 (2006).
[CrossRef]

Solid-State Electron. (1)

Y. J. Ding, Solid-State Electron. 50, 1128 (2006).
[CrossRef]

Other (4)

R. Guo, T. Ikari, H. Minamide, and H. Ito, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2007), paper QPDA7.
[PubMed]

V. G. Dmitriev, G. G. Gurzadyan, D. N. Nikogosyan, Handbook of Nonlinear Optical Crystals, Vol. 64 of Springer Series in Optical Sciences (Springer-Verlag, 1997).

E. D. Pallik, Handbook of Optical Constants of Solids (Academic, 1998).

R. W. Boyd, Nonlinear Optics, 2nd ed. (Academic, 2003).

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Figures (4)

Fig. 1
Fig. 1

THz detector concept that leverages optical technologies to perform room-temperature, ultrasensitive detection.

Fig. 2
Fig. 2

Schematic layout of the THz upconversion experiment.

Fig. 3
Fig. 3

New Focus 2153 PIN diode output viewed on an audio spectrum analyzer; the upconverted THz signal or the optical idler shows up as a clear tone at the chopper frequency.

Fig. 4
Fig. 4

(a) Spatial beam profile of the BWO operated at 700 GHz . (b) Spatial beam profile of the 1550 nm optical pump.

Equations (3)

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P Idler = 1 R v [ Δ f + Δ f PSD d f ] 1 2 ,
P Idler ( L ) = 8 π 2 ( d eff ) 2 L 2 I Pump T Filters T Fresnel c ϵ o n T n I n P λ I 2 sinc ( Δ k L 2 ) 2 P THz ( 0 ) ,
η THz optical = P Idler ( p ) P THz × f THz f Idler 0.001 % ,

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