Abstract

Single-frequency operation of a 10.4µm room-temperature multimode quantum-cascade laser was achieved by use of a 17-mm short Littrow-type external-cavity configuration. The spectral intensity of the external-cavity laser was increased as much as 20-fold compared with that of a multimode quantum-cascade laser without an external cavity. A single-frequency tuning range of 76 nm 7 cm-1 was achieved. The results were obtained without antireflection coating of the laser output facet.

© 2002 Optical Society of America

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  1. H. Q. Le, G. W. Turner, J. R. Ochoa, M. J. Manfra, and C. C. Cook, Appl. Phys. Lett. 69, 2804 (1996).
    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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2001

G. P. Luo, C. Peng, H. Q. Le, S. S. Pei, W. Y. Hwang, B. Ishaug, J. Um, J. N. Baillargeon, and C. H. Lin, Appl. Phys. Lett. 78, 2834 (2001).
[CrossRef]

1998

M. Mürtz, J. S. Wells, L. Hollberg, T. Zibrova, and N. Mackie, Appl. Phys. B 66, 277 (1998).
[CrossRef]

T. Beyer, M. Tacke, and A. Lambrecht, Infrared Phys. Technol. 39, 283 (1998).
[CrossRef]

1997

J. Faist, C. Gmachl, F. Capasso, C. Sitori, D. Sivco, J. Baillargeon, and A. Cho, Appl. Phys. Lett. 70, 2670 (1997).
[CrossRef]

1996

H. Q. Le, G. W. Turner, J. R. Ochoa, M. J. Manfra, and C. C. Cook, Appl. Phys. Lett. 69, 2804 (1996).
[CrossRef]

1995

L. Ricci, M. Weidemüller, T. Esslinger, A. Hemmerich, C. Zimmerman, V. Vuletic, W. König, and T. W. Hänsch, Opt. Commun. 117, 541 (1995).
[CrossRef]

1992

Baillargeon, J.

J. Faist, C. Gmachl, F. Capasso, C. Sitori, D. Sivco, J. Baillargeon, and A. Cho, Appl. Phys. Lett. 70, 2670 (1997).
[CrossRef]

Baillargeon, J. N.

G. P. Luo, C. Peng, H. Q. Le, S. S. Pei, W. Y. Hwang, B. Ishaug, J. Um, J. N. Baillargeon, and C. H. Lin, Appl. Phys. Lett. 78, 2834 (2001).
[CrossRef]

Beyer, T.

T. Beyer, M. Tacke, and A. Lambrecht, Infrared Phys. Technol. 39, 283 (1998).
[CrossRef]

Capasso, F.

J. Faist, C. Gmachl, F. Capasso, C. Sitori, D. Sivco, J. Baillargeon, and A. Cho, Appl. Phys. Lett. 70, 2670 (1997).
[CrossRef]

Cho, A.

J. Faist, C. Gmachl, F. Capasso, C. Sitori, D. Sivco, J. Baillargeon, and A. Cho, Appl. Phys. Lett. 70, 2670 (1997).
[CrossRef]

Cook, C. C.

H. Q. Le, G. W. Turner, J. R. Ochoa, M. J. Manfra, and C. C. Cook, Appl. Phys. Lett. 69, 2804 (1996).
[CrossRef]

Dagenais, M.

Esslinger, T.

L. Ricci, M. Weidemüller, T. Esslinger, A. Hemmerich, C. Zimmerman, V. Vuletic, W. König, and T. W. Hänsch, Opt. Commun. 117, 541 (1995).
[CrossRef]

Faist, J.

J. Faist, C. Gmachl, F. Capasso, C. Sitori, D. Sivco, J. Baillargeon, and A. Cho, Appl. Phys. Lett. 70, 2670 (1997).
[CrossRef]

Gmachl, C.

J. Faist, C. Gmachl, F. Capasso, C. Sitori, D. Sivco, J. Baillargeon, and A. Cho, Appl. Phys. Lett. 70, 2670 (1997).
[CrossRef]

Hänsch, T. W.

L. Ricci, M. Weidemüller, T. Esslinger, A. Hemmerich, C. Zimmerman, V. Vuletic, W. König, and T. W. Hänsch, Opt. Commun. 117, 541 (1995).
[CrossRef]

Hemmerich, A.

L. Ricci, M. Weidemüller, T. Esslinger, A. Hemmerich, C. Zimmerman, V. Vuletic, W. König, and T. W. Hänsch, Opt. Commun. 117, 541 (1995).
[CrossRef]

Hollberg, L.

M. Mürtz, J. S. Wells, L. Hollberg, T. Zibrova, and N. Mackie, Appl. Phys. B 66, 277 (1998).
[CrossRef]

Hwang, W. Y.

G. P. Luo, C. Peng, H. Q. Le, S. S. Pei, W. Y. Hwang, B. Ishaug, J. Um, J. N. Baillargeon, and C. H. Lin, Appl. Phys. Lett. 78, 2834 (2001).
[CrossRef]

Ishaug, B.

G. P. Luo, C. Peng, H. Q. Le, S. S. Pei, W. Y. Hwang, B. Ishaug, J. Um, J. N. Baillargeon, and C. H. Lin, Appl. Phys. Lett. 78, 2834 (2001).
[CrossRef]

König, W.

L. Ricci, M. Weidemüller, T. Esslinger, A. Hemmerich, C. Zimmerman, V. Vuletic, W. König, and T. W. Hänsch, Opt. Commun. 117, 541 (1995).
[CrossRef]

Lambrecht, A.

T. Beyer, M. Tacke, and A. Lambrecht, Infrared Phys. Technol. 39, 283 (1998).
[CrossRef]

Le, H. Q.

G. P. Luo, C. Peng, H. Q. Le, S. S. Pei, W. Y. Hwang, B. Ishaug, J. Um, J. N. Baillargeon, and C. H. Lin, Appl. Phys. Lett. 78, 2834 (2001).
[CrossRef]

H. Q. Le, G. W. Turner, J. R. Ochoa, M. J. Manfra, and C. C. Cook, Appl. Phys. Lett. 69, 2804 (1996).
[CrossRef]

Lin, C. H.

G. P. Luo, C. Peng, H. Q. Le, S. S. Pei, W. Y. Hwang, B. Ishaug, J. Um, J. N. Baillargeon, and C. H. Lin, Appl. Phys. Lett. 78, 2834 (2001).
[CrossRef]

Lotem, H.

Luo, G. P.

G. P. Luo, C. Peng, H. Q. Le, S. S. Pei, W. Y. Hwang, B. Ishaug, J. Um, J. N. Baillargeon, and C. H. Lin, Appl. Phys. Lett. 78, 2834 (2001).
[CrossRef]

Mackie, N.

M. Mürtz, J. S. Wells, L. Hollberg, T. Zibrova, and N. Mackie, Appl. Phys. B 66, 277 (1998).
[CrossRef]

Manfra, M. J.

H. Q. Le, G. W. Turner, J. R. Ochoa, M. J. Manfra, and C. C. Cook, Appl. Phys. Lett. 69, 2804 (1996).
[CrossRef]

Mürtz, M.

M. Mürtz, J. S. Wells, L. Hollberg, T. Zibrova, and N. Mackie, Appl. Phys. B 66, 277 (1998).
[CrossRef]

Ochoa, J. R.

H. Q. Le, G. W. Turner, J. R. Ochoa, M. J. Manfra, and C. C. Cook, Appl. Phys. Lett. 69, 2804 (1996).
[CrossRef]

Pan, Z.

Pei, S. S.

G. P. Luo, C. Peng, H. Q. Le, S. S. Pei, W. Y. Hwang, B. Ishaug, J. Um, J. N. Baillargeon, and C. H. Lin, Appl. Phys. Lett. 78, 2834 (2001).
[CrossRef]

Peng, C.

G. P. Luo, C. Peng, H. Q. Le, S. S. Pei, W. Y. Hwang, B. Ishaug, J. Um, J. N. Baillargeon, and C. H. Lin, Appl. Phys. Lett. 78, 2834 (2001).
[CrossRef]

Ricci, L.

L. Ricci, M. Weidemüller, T. Esslinger, A. Hemmerich, C. Zimmerman, V. Vuletic, W. König, and T. W. Hänsch, Opt. Commun. 117, 541 (1995).
[CrossRef]

Sitori, C.

J. Faist, C. Gmachl, F. Capasso, C. Sitori, D. Sivco, J. Baillargeon, and A. Cho, Appl. Phys. Lett. 70, 2670 (1997).
[CrossRef]

Sivco, D.

J. Faist, C. Gmachl, F. Capasso, C. Sitori, D. Sivco, J. Baillargeon, and A. Cho, Appl. Phys. Lett. 70, 2670 (1997).
[CrossRef]

Tacke, M.

T. Beyer, M. Tacke, and A. Lambrecht, Infrared Phys. Technol. 39, 283 (1998).
[CrossRef]

Turner, G. W.

H. Q. Le, G. W. Turner, J. R. Ochoa, M. J. Manfra, and C. C. Cook, Appl. Phys. Lett. 69, 2804 (1996).
[CrossRef]

Um, J.

G. P. Luo, C. Peng, H. Q. Le, S. S. Pei, W. Y. Hwang, B. Ishaug, J. Um, J. N. Baillargeon, and C. H. Lin, Appl. Phys. Lett. 78, 2834 (2001).
[CrossRef]

Vuletic, V.

L. Ricci, M. Weidemüller, T. Esslinger, A. Hemmerich, C. Zimmerman, V. Vuletic, W. König, and T. W. Hänsch, Opt. Commun. 117, 541 (1995).
[CrossRef]

Weidemüller, M.

L. Ricci, M. Weidemüller, T. Esslinger, A. Hemmerich, C. Zimmerman, V. Vuletic, W. König, and T. W. Hänsch, Opt. Commun. 117, 541 (1995).
[CrossRef]

Wells, J. S.

M. Mürtz, J. S. Wells, L. Hollberg, T. Zibrova, and N. Mackie, Appl. Phys. B 66, 277 (1998).
[CrossRef]

Zibrova, T.

M. Mürtz, J. S. Wells, L. Hollberg, T. Zibrova, and N. Mackie, Appl. Phys. B 66, 277 (1998).
[CrossRef]

Zimmerman, C.

L. Ricci, M. Weidemüller, T. Esslinger, A. Hemmerich, C. Zimmerman, V. Vuletic, W. König, and T. W. Hänsch, Opt. Commun. 117, 541 (1995).
[CrossRef]

Appl. Opt.

Appl. Phys. B

M. Mürtz, J. S. Wells, L. Hollberg, T. Zibrova, and N. Mackie, Appl. Phys. B 66, 277 (1998).
[CrossRef]

Appl. Phys. Lett.

G. P. Luo, C. Peng, H. Q. Le, S. S. Pei, W. Y. Hwang, B. Ishaug, J. Um, J. N. Baillargeon, and C. H. Lin, Appl. Phys. Lett. 78, 2834 (2001).
[CrossRef]

H. Q. Le, G. W. Turner, J. R. Ochoa, M. J. Manfra, and C. C. Cook, Appl. Phys. Lett. 69, 2804 (1996).
[CrossRef]

J. Faist, C. Gmachl, F. Capasso, C. Sitori, D. Sivco, J. Baillargeon, and A. Cho, Appl. Phys. Lett. 70, 2670 (1997).
[CrossRef]

Infrared Phys. Technol.

T. Beyer, M. Tacke, and A. Lambrecht, Infrared Phys. Technol. 39, 283 (1998).
[CrossRef]

Opt. Commun.

L. Ricci, M. Weidemüller, T. Esslinger, A. Hemmerich, C. Zimmerman, V. Vuletic, W. König, and T. W. Hänsch, Opt. Commun. 117, 541 (1995).
[CrossRef]

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Figures (5)

Fig. 1
Fig. 1

EC QCL setup.

Fig. 2
Fig. 2

Temperature tuning of the multimode QCL that we used. The laser was operated with 40-ns pulses at 4.2 A and with 60µs separation between the pulses. No grating was used.

Fig. 3
Fig. 3

Variation of the output spectra with increased laser current for (a) the multimode laser and (b) the EC laser (b). The laser was operated in both cases at 11 °C with a 40-ns pulse duration and a 60µs pulse separation.

Fig. 4
Fig. 4

Variation of the output spectra with increased laser current pulse length. The laser was operated at 11 °C and with a 4.12-A current pulses.

Fig. 5
Fig. 5

Single-frequency output spectra of the grating-tuned EC laser (spectra 1–7). The corresponding output spectra of the multimode laser without a grating are shown by spectra 8–10. Vertical offsets were applied to the various spectra to make the curves clearly discernable.

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