Abstract

A compact and stable method for generating high-intensity linearly polarized continuum mid-IR and terahertz light using ultrafast femtosecond (fs) laser pulses is demonstrated. Continuous light generation from <400cm1 (12THz, 25μm) to >3300cm1 (100THz, 3μm) in a sub-100 fs laser pulse is facilitated by nonlinear mixing of the fundamental, second harmonic, and third harmonic of an ultrafast amplified laser source through filamentation in air. Including the third harmonic in the mixing scheme leads to a tenfold increase in the generated IR power. The compact optical configuration utilizing a delay plate in a collinear geometry serves to simplify alignment and increase stability, making it a practical source for transient IR spectroscopy.

© 2010 Optical Society of America

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2009

J. Dai, N. Karpowicz, and X.-C. Zhang, Phys. Rev. Lett. 103, 023001 (2009).
[CrossRef] [PubMed]

H. Wen and A. M. Lindenberg, Phys. Rev. Lett. 103, 023902 (2009).
[CrossRef] [PubMed]

2008

K. Y. Kim, A. J. Taylor, J. H. Glownia, and G. Rodriguez, Nat. Photon. 2, 605 (2008).
[CrossRef]

2007

2006

X. Xie, J. Dai, and X.-C. Zhang, Phys. Rev. Lett. 96, 075005 (2006).
[CrossRef] [PubMed]

2005

2004

2000

1999

R. A. Kaindl, F. Eickemeyer, M. Woerner, and T. Elsaesser, Appl. Phys. Lett. 75, 1060 (1999).
[CrossRef]

1995

A. Bonvalet, M. Joffre, J.-L. Martin, and A. Migus, Appl. Phys. Lett. 67, 2907 (1995).
[CrossRef]

1994

D. Birkedal, O. Hansen, C. B. Sørensen, K. Jarasiunas, S. D. Brorson, and S. R. Keiding, Appl. Phys. Lett. 65, 79 (1994).
[CrossRef]

1992

L. Xu, X.-C. Zhang, and D. H. Austin, Appl. Phys. Lett. 61, 1784 (1992).
[CrossRef]

Almasi, G.

Austin, D. H.

L. Xu, X.-C. Zhang, and D. H. Austin, Appl. Phys. Lett. 61, 1784 (1992).
[CrossRef]

Birkedal, D.

D. Birkedal, O. Hansen, C. B. Sørensen, K. Jarasiunas, S. D. Brorson, and S. R. Keiding, Appl. Phys. Lett. 65, 79 (1994).
[CrossRef]

Bonvalet, A.

A. Bonvalet, M. Joffre, J.-L. Martin, and A. Migus, Appl. Phys. Lett. 67, 2907 (1995).
[CrossRef]

Brorson, S. D.

D. Birkedal, O. Hansen, C. B. Sørensen, K. Jarasiunas, S. D. Brorson, and S. R. Keiding, Appl. Phys. Lett. 65, 79 (1994).
[CrossRef]

Cook, D. J.

Dai, J.

J. Dai, N. Karpowicz, and X.-C. Zhang, Phys. Rev. Lett. 103, 023001 (2009).
[CrossRef] [PubMed]

X. Xie, J. Dai, and X.-C. Zhang, Phys. Rev. Lett. 96, 075005 (2006).
[CrossRef] [PubMed]

Eden, S.

Eickemeyer, F.

R. A. Kaindl, F. Eickemeyer, M. Woerner, and T. Elsaesser, Appl. Phys. Lett. 75, 1060 (1999).
[CrossRef]

Elsaesser, T.

R. A. Kaindl, F. Eickemeyer, M. Woerner, and T. Elsaesser, Appl. Phys. Lett. 75, 1060 (1999).
[CrossRef]

Enqvist, H.

H. Enqvist, in Lund Reports on Atomic Physics, Vol. LRAP-330 (2004).

Fuji, T.

Glownia, J. H.

K. Y. Kim, A. J. Taylor, J. H. Glownia, and G. Rodriguez, Nat. Photon. 2, 605 (2008).
[CrossRef]

Hansen, O.

D. Birkedal, O. Hansen, C. B. Sørensen, K. Jarasiunas, S. D. Brorson, and S. R. Keiding, Appl. Phys. Lett. 65, 79 (1994).
[CrossRef]

Hebling, J.

Hochstrasser, R. M.

Huber, R.

C. Kubler, R. Huber, and A. Leitenstorfer, Semicond. Sci. Technol. 20, S128 (2005).
[CrossRef]

Jarasiunas, K.

D. Birkedal, O. Hansen, C. B. Sørensen, K. Jarasiunas, S. D. Brorson, and S. R. Keiding, Appl. Phys. Lett. 65, 79 (1994).
[CrossRef]

Joffre, M.

A. Bonvalet, M. Joffre, J.-L. Martin, and A. Migus, Appl. Phys. Lett. 67, 2907 (1995).
[CrossRef]

Kaindl, R. A.

R. A. Kaindl, F. Eickemeyer, M. Woerner, and T. Elsaesser, Appl. Phys. Lett. 75, 1060 (1999).
[CrossRef]

Karpowicz, N.

J. Dai, N. Karpowicz, and X.-C. Zhang, Phys. Rev. Lett. 103, 023001 (2009).
[CrossRef] [PubMed]

Keiding, S. R.

D. Birkedal, O. Hansen, C. B. Sørensen, K. Jarasiunas, S. D. Brorson, and S. R. Keiding, Appl. Phys. Lett. 65, 79 (1994).
[CrossRef]

Kim, K. Y.

K. Y. Kim, A. J. Taylor, J. H. Glownia, and G. Rodriguez, Nat. Photon. 2, 605 (2008).
[CrossRef]

Kozma, I. Z.

Kress, M.

Kubler, C.

C. Kubler, R. Huber, and A. Leitenstorfer, Semicond. Sci. Technol. 20, S128 (2005).
[CrossRef]

Kuhl, J.

Leitenstorfer, A.

C. Kubler, R. Huber, and A. Leitenstorfer, Semicond. Sci. Technol. 20, S128 (2005).
[CrossRef]

Lindenberg, A. M.

H. Wen and A. M. Lindenberg, Phys. Rev. Lett. 103, 023902 (2009).
[CrossRef] [PubMed]

Loffler, T.

Martin, J.-L.

A. Bonvalet, M. Joffre, J.-L. Martin, and A. Migus, Appl. Phys. Lett. 67, 2907 (1995).
[CrossRef]

Migus, A.

A. Bonvalet, M. Joffre, J.-L. Martin, and A. Migus, Appl. Phys. Lett. 67, 2907 (1995).
[CrossRef]

Riedle, E.

Rodriguez, G.

K. Y. Kim, A. J. Taylor, J. H. Glownia, and G. Rodriguez, Nat. Photon. 2, 605 (2008).
[CrossRef]

Roskos, H. G.

Sørensen, C. B.

D. Birkedal, O. Hansen, C. B. Sørensen, K. Jarasiunas, S. D. Brorson, and S. R. Keiding, Appl. Phys. Lett. 65, 79 (1994).
[CrossRef]

Stepanov, A. G.

Suzuki, T.

Taylor, A. J.

K. Y. Kim, A. J. Taylor, J. H. Glownia, and G. Rodriguez, Nat. Photon. 2, 605 (2008).
[CrossRef]

Thomson, M.

Wen, H.

H. Wen and A. M. Lindenberg, Phys. Rev. Lett. 103, 023902 (2009).
[CrossRef] [PubMed]

Woerner, M.

R. A. Kaindl, F. Eickemeyer, M. Woerner, and T. Elsaesser, Appl. Phys. Lett. 75, 1060 (1999).
[CrossRef]

Xie, X.

X. Xie, J. Dai, and X.-C. Zhang, Phys. Rev. Lett. 96, 075005 (2006).
[CrossRef] [PubMed]

Xu, L.

L. Xu, X.-C. Zhang, and D. H. Austin, Appl. Phys. Lett. 61, 1784 (1992).
[CrossRef]

Zhang, X.-C.

J. Dai, N. Karpowicz, and X.-C. Zhang, Phys. Rev. Lett. 103, 023001 (2009).
[CrossRef] [PubMed]

X. Xie, J. Dai, and X.-C. Zhang, Phys. Rev. Lett. 96, 075005 (2006).
[CrossRef] [PubMed]

L. Xu, X.-C. Zhang, and D. H. Austin, Appl. Phys. Lett. 61, 1784 (1992).
[CrossRef]

Appl. Phys. Lett.

L. Xu, X.-C. Zhang, and D. H. Austin, Appl. Phys. Lett. 61, 1784 (1992).
[CrossRef]

D. Birkedal, O. Hansen, C. B. Sørensen, K. Jarasiunas, S. D. Brorson, and S. R. Keiding, Appl. Phys. Lett. 65, 79 (1994).
[CrossRef]

A. Bonvalet, M. Joffre, J.-L. Martin, and A. Migus, Appl. Phys. Lett. 67, 2907 (1995).
[CrossRef]

R. A. Kaindl, F. Eickemeyer, M. Woerner, and T. Elsaesser, Appl. Phys. Lett. 75, 1060 (1999).
[CrossRef]

Nat. Photon.

K. Y. Kim, A. J. Taylor, J. H. Glownia, and G. Rodriguez, Nat. Photon. 2, 605 (2008).
[CrossRef]

Opt. Express

Opt. Lett.

Phys. Rev. Lett.

H. Wen and A. M. Lindenberg, Phys. Rev. Lett. 103, 023902 (2009).
[CrossRef] [PubMed]

X. Xie, J. Dai, and X.-C. Zhang, Phys. Rev. Lett. 96, 075005 (2006).
[CrossRef] [PubMed]

J. Dai, N. Karpowicz, and X.-C. Zhang, Phys. Rev. Lett. 103, 023001 (2009).
[CrossRef] [PubMed]

Semicond. Sci. Technol.

C. Kubler, R. Huber, and A. Leitenstorfer, Semicond. Sci. Technol. 20, S128 (2005).
[CrossRef]

Other

H. Enqvist, in Lund Reports on Atomic Physics, Vol. LRAP-330 (2004).

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Figures (4)

Fig. 1
Fig. 1

Experimental setup for the continuum mid-IR generation.

Fig. 2
Fig. 2

(a) Spectrum of continuum IR measured on MCT array (light gray) and FTIR (dark gray) compared with the FTIR lamp spectrum (black). The gray and black bars at the top indicate the absorption bands of atmospheric H 2 O and CO 2 , respectively. (b) Power dependence of the integrated continuum IR generation as a function of 800 nm input energy.

Fig. 3
Fig. 3

Characterization of the polarization state of the continuum IR. Transmission of IR through an anal yzing polarizer is measured as a function of polarizer rotation angle for the (a) ω + 2 ω + 3 ω and (b) ω + 2 ω schemes.

Fig. 4
Fig. 4

Temporal characterization. (a) Gaussian intensity FWHM pulse duration (upper) and group delay (lower) cross correlation of mid-IR with 267 nm light in Ca F 2 . (b) Interferometric autocorrelation measured in the commercial FTIR. Beats for delays > 50 fs are primarily the free induction decay of atmospheric CO 2 .

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