Abstract

A dual-wavelength high-power semiconductor laser system based on a tapered amplifier with double-Littrow external cavity is demonstrated around 800 nm. The two wavelengths can be tuned individually, and the frequency difference of the two wavelengths is tunable from 0.5 to 10.0 THz. To our knowledge, this is the broadest tuning range of the frequency difference from a dual-wavelength diode laser system. The spectrum, output power, and beam quality of the diode laser system are characterized. The power stability of each wavelength is measured, and the power fluctuations of the two wavelengths are almost of opposite phase. The simultaneous emission of the two wavelengths is verified by a sum-frequency generation experiment in a bismuth triborate nonlinear crystal.

© 2012 Optical Society of America

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2011 (2)

2009 (3)

S. A. Zolotovskaya, V. I. Smirnov, G. B. Venus, L. B. Glebov, and E. U. Rafailov, “Two-color output from InGaAs laser with multiplexed reflective Bragg mirror,” IEEE Photon. Technol. Lett. 21, 1093–1095 (2009).
[CrossRef]

B. Sumpf, K. Hasler, P. Adamiec, F. Bugge, F. Dittmar, J. Fricke, H. Wenzel, M. Zorn, G. Erbert, and G. Tränkle, “High-brightness quantum well tapered lasers,” IEEE J. Sel. Top. Quantum Electron. 15, 1009–1020 (2009).
[CrossRef]

N. Kim, J. Shin, E. Sim, C. W. Lee, D. Yee, M. Jeon, Y. Jang, and K. H. Park, “Monolithic dual-mode distributed feedback semiconductor laser for tunable continuous-wave terahertz generation,” Opt. Express 17, 13851–13859 (2009).
[CrossRef]

2008 (3)

C. Friedrich, C. Brenner, S. Hoffmann, A. Schmitz, I. C. Mayorgak, A. Klehr, G. Erbert, and M. R. Hofmann, “New two-color laser concepts for THz generation,” IEEE J. Sel. Top. Quantum Electron. 14, 270–276 (2008).
[CrossRef]

I. Park, C. Sydlo, I. Fischer, W. Elsäβer, and H. L. Hartnagel, “Generation and spectroscopic application of tunable continuous-wave terahertz radiation using a dual-mode semiconductor laser,” Meas. Sci. Technol. 19, 065305 (2008).
[CrossRef]

A. Klehr, J. Fricke, A. Knauer, G. Erbert, M. Walther, R. Wilk, M. Mikulics, and M. Koch, “High-power monolithic two-mode DFB laser diodes for the generation of THz radiation,” IEEE J. Sel. Top. Quantum Electron. 14, 289–294 (2008).
[CrossRef]

2007 (2)

M. Al-Mumin, C. Kim, I. Kim, N. Jaafar, and G. Li, “Injection locked multi-section gain-coupled dual mode DFB laser for terahertz generation,” Opt. Commun. 275, 186–189 (2007).
[CrossRef]

S. A. Zolotovskaya, N. Daghestani, G. B. Venus, L. B. Glebov, V. I. Smirnov, and E. U. Rafailov, “Stable dual-wavelength operation of InGaAs diode lasers with volume Bragg gratings,” Appl. Phys. Lett. 91, 171113 (2007).
[CrossRef]

2006 (1)

V. Zambon, M. Piché, and N. McCarthy, “Tunable dual-wavelength operation of an external cavity semiconductor laser,” Opt. Commun. 264, 180–186 (2006).
[CrossRef]

2005 (3)

W. Wang, M. Cada, J. Seregelyi, S. Paquet, S. J. Mihailov, and P. Lu, “A beat-frequency tunable dual-mode fiber-Bragg-grating external-cavity laser,” IEEE Photon. Technol. Lett. 17, 2436–2438 (2005).
[CrossRef]

M. Chi, O. B. Jensen, J. Holm, C. Pedersen, P. E. Andersen, G. Erbert, B. Sumpf, and P. M. Petersen, “Tunable high-power narrow-linewidth semiconductor laser based on an external-cavity tapered amplifier,” Opt. Express 13, 10589–10596 (2005).
[CrossRef]

S. Hoffmann, M. Hofmann, M. Kira, and S. W. Koch, “Two-colour diode lasers for generation of THz radiation,” Semicond. Sci. Technol. 20, S205–S210 (2005).
[CrossRef]

2004 (2)

S. Hoffmann, M. Hofmann, E. Bründermann, M. Havenith, M. Matus, J. V. Moloney, A. S. Moskalenko, M. Kira, S. W. Koch, S. Saito, and K. Sakai, “Four-wave mixing and direct terahertz emission with two-color semiconductor lasers,” Appl. Phys. Lett. 84, 3585–3587 (2004).
[CrossRef]

I. Park, I. Fischer, and W. Elsäβer, “Highly nondegenerate four-wave mixing in a tunable dual-mode semiconductor laser,” Appl. Phys. Lett. 84, 5189–5191 (2004).
[CrossRef]

2001 (1)

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, M. Sperling, and K. Donhuijsen, “Continuous-wave THz imaging,” Electron. Lett. 37, 1461–1463 (2001).
[CrossRef]

2000 (1)

M. Tani, P. Gu, M. Hyodo, K. Sakai, and T. Hidaka, “Generation of coherent terahertz radiation by photomixing of dual-mode lasers,” Opt. Quantum Electron. 32, 503–520 (2000).
[CrossRef]

1997 (1)

T. Hidaka, S. Matsuura, M. Tani, and K. Sakai, “CW terahertz wave generation by photomixing using a two-longitudinal-mode laser diode,” Electron. Lett. 33, 2039–2040 (1997).
[CrossRef]

1993 (1)

Adamiec, P.

B. Sumpf, K. Hasler, P. Adamiec, F. Bugge, F. Dittmar, J. Fricke, H. Wenzel, M. Zorn, G. Erbert, and G. Tränkle, “High-brightness quantum well tapered lasers,” IEEE J. Sel. Top. Quantum Electron. 15, 1009–1020 (2009).
[CrossRef]

Al-Mumin, M.

M. Al-Mumin, C. Kim, I. Kim, N. Jaafar, and G. Li, “Injection locked multi-section gain-coupled dual mode DFB laser for terahertz generation,” Opt. Commun. 275, 186–189 (2007).
[CrossRef]

Andersen, P. E.

Breede, M.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, M. Sperling, and K. Donhuijsen, “Continuous-wave THz imaging,” Electron. Lett. 37, 1461–1463 (2001).
[CrossRef]

Brenner, C.

C. Friedrich, C. Brenner, S. Hoffmann, A. Schmitz, I. C. Mayorgak, A. Klehr, G. Erbert, and M. R. Hofmann, “New two-color laser concepts for THz generation,” IEEE J. Sel. Top. Quantum Electron. 14, 270–276 (2008).
[CrossRef]

Bründermann, E.

S. Hoffmann, M. Hofmann, E. Bründermann, M. Havenith, M. Matus, J. V. Moloney, A. S. Moskalenko, M. Kira, S. W. Koch, S. Saito, and K. Sakai, “Four-wave mixing and direct terahertz emission with two-color semiconductor lasers,” Appl. Phys. Lett. 84, 3585–3587 (2004).
[CrossRef]

Bugge, F.

B. Sumpf, K. Hasler, P. Adamiec, F. Bugge, F. Dittmar, J. Fricke, H. Wenzel, M. Zorn, G. Erbert, and G. Tränkle, “High-brightness quantum well tapered lasers,” IEEE J. Sel. Top. Quantum Electron. 15, 1009–1020 (2009).
[CrossRef]

Cada, M.

W. Wang, M. Cada, J. Seregelyi, S. Paquet, S. J. Mihailov, and P. Lu, “A beat-frequency tunable dual-mode fiber-Bragg-grating external-cavity laser,” IEEE Photon. Technol. Lett. 17, 2436–2438 (2005).
[CrossRef]

Chi, M.

Daghestani, N.

S. A. Zolotovskaya, N. Daghestani, G. B. Venus, L. B. Glebov, V. I. Smirnov, and E. U. Rafailov, “Stable dual-wavelength operation of InGaAs diode lasers with volume Bragg gratings,” Appl. Phys. Lett. 91, 171113 (2007).
[CrossRef]

Dittmar, F.

B. Sumpf, K. Hasler, P. Adamiec, F. Bugge, F. Dittmar, J. Fricke, H. Wenzel, M. Zorn, G. Erbert, and G. Tränkle, “High-brightness quantum well tapered lasers,” IEEE J. Sel. Top. Quantum Electron. 15, 1009–1020 (2009).
[CrossRef]

Donhuijsen, K.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, M. Sperling, and K. Donhuijsen, “Continuous-wave THz imaging,” Electron. Lett. 37, 1461–1463 (2001).
[CrossRef]

Elsäßer, W.

I. Park, C. Sydlo, I. Fischer, W. Elsäβer, and H. L. Hartnagel, “Generation and spectroscopic application of tunable continuous-wave terahertz radiation using a dual-mode semiconductor laser,” Meas. Sci. Technol. 19, 065305 (2008).
[CrossRef]

I. Park, I. Fischer, and W. Elsäβer, “Highly nondegenerate four-wave mixing in a tunable dual-mode semiconductor laser,” Appl. Phys. Lett. 84, 5189–5191 (2004).
[CrossRef]

Erbert, G.

B. Sumpf, K. Hasler, P. Adamiec, F. Bugge, F. Dittmar, J. Fricke, H. Wenzel, M. Zorn, G. Erbert, and G. Tränkle, “High-brightness quantum well tapered lasers,” IEEE J. Sel. Top. Quantum Electron. 15, 1009–1020 (2009).
[CrossRef]

C. Friedrich, C. Brenner, S. Hoffmann, A. Schmitz, I. C. Mayorgak, A. Klehr, G. Erbert, and M. R. Hofmann, “New two-color laser concepts for THz generation,” IEEE J. Sel. Top. Quantum Electron. 14, 270–276 (2008).
[CrossRef]

A. Klehr, J. Fricke, A. Knauer, G. Erbert, M. Walther, R. Wilk, M. Mikulics, and M. Koch, “High-power monolithic two-mode DFB laser diodes for the generation of THz radiation,” IEEE J. Sel. Top. Quantum Electron. 14, 289–294 (2008).
[CrossRef]

M. Chi, O. B. Jensen, J. Holm, C. Pedersen, P. E. Andersen, G. Erbert, B. Sumpf, and P. M. Petersen, “Tunable high-power narrow-linewidth semiconductor laser based on an external-cavity tapered amplifier,” Opt. Express 13, 10589–10596 (2005).
[CrossRef]

Fischer, I.

I. Park, C. Sydlo, I. Fischer, W. Elsäβer, and H. L. Hartnagel, “Generation and spectroscopic application of tunable continuous-wave terahertz radiation using a dual-mode semiconductor laser,” Meas. Sci. Technol. 19, 065305 (2008).
[CrossRef]

I. Park, I. Fischer, and W. Elsäβer, “Highly nondegenerate four-wave mixing in a tunable dual-mode semiconductor laser,” Appl. Phys. Lett. 84, 5189–5191 (2004).
[CrossRef]

Fricke, J.

B. Sumpf, K. Hasler, P. Adamiec, F. Bugge, F. Dittmar, J. Fricke, H. Wenzel, M. Zorn, G. Erbert, and G. Tränkle, “High-brightness quantum well tapered lasers,” IEEE J. Sel. Top. Quantum Electron. 15, 1009–1020 (2009).
[CrossRef]

A. Klehr, J. Fricke, A. Knauer, G. Erbert, M. Walther, R. Wilk, M. Mikulics, and M. Koch, “High-power monolithic two-mode DFB laser diodes for the generation of THz radiation,” IEEE J. Sel. Top. Quantum Electron. 14, 289–294 (2008).
[CrossRef]

Friedrich, C.

C. Friedrich, C. Brenner, S. Hoffmann, A. Schmitz, I. C. Mayorgak, A. Klehr, G. Erbert, and M. R. Hofmann, “New two-color laser concepts for THz generation,” IEEE J. Sel. Top. Quantum Electron. 14, 270–276 (2008).
[CrossRef]

Glebov, L. B.

S. A. Zolotovskaya, V. I. Smirnov, G. B. Venus, L. B. Glebov, and E. U. Rafailov, “Two-color output from InGaAs laser with multiplexed reflective Bragg mirror,” IEEE Photon. Technol. Lett. 21, 1093–1095 (2009).
[CrossRef]

S. A. Zolotovskaya, N. Daghestani, G. B. Venus, L. B. Glebov, V. I. Smirnov, and E. U. Rafailov, “Stable dual-wavelength operation of InGaAs diode lasers with volume Bragg gratings,” Appl. Phys. Lett. 91, 171113 (2007).
[CrossRef]

Groot, P.

Gu, P.

M. Tani, P. Gu, M. Hyodo, K. Sakai, and T. Hidaka, “Generation of coherent terahertz radiation by photomixing of dual-mode lasers,” Opt. Quantum Electron. 32, 503–520 (2000).
[CrossRef]

Han, S.

Hartnagel, H. L.

I. Park, C. Sydlo, I. Fischer, W. Elsäβer, and H. L. Hartnagel, “Generation and spectroscopic application of tunable continuous-wave terahertz radiation using a dual-mode semiconductor laser,” Meas. Sci. Technol. 19, 065305 (2008).
[CrossRef]

Hasler, K.

B. Sumpf, K. Hasler, P. Adamiec, F. Bugge, F. Dittmar, J. Fricke, H. Wenzel, M. Zorn, G. Erbert, and G. Tränkle, “High-brightness quantum well tapered lasers,” IEEE J. Sel. Top. Quantum Electron. 15, 1009–1020 (2009).
[CrossRef]

Havenith, M.

S. Hoffmann, M. Hofmann, E. Bründermann, M. Havenith, M. Matus, J. V. Moloney, A. S. Moskalenko, M. Kira, S. W. Koch, S. Saito, and K. Sakai, “Four-wave mixing and direct terahertz emission with two-color semiconductor lasers,” Appl. Phys. Lett. 84, 3585–3587 (2004).
[CrossRef]

Hein, G.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, M. Sperling, and K. Donhuijsen, “Continuous-wave THz imaging,” Electron. Lett. 37, 1461–1463 (2001).
[CrossRef]

Hidaka, T.

M. Tani, P. Gu, M. Hyodo, K. Sakai, and T. Hidaka, “Generation of coherent terahertz radiation by photomixing of dual-mode lasers,” Opt. Quantum Electron. 32, 503–520 (2000).
[CrossRef]

T. Hidaka, S. Matsuura, M. Tani, and K. Sakai, “CW terahertz wave generation by photomixing using a two-longitudinal-mode laser diode,” Electron. Lett. 33, 2039–2040 (1997).
[CrossRef]

Hoffmann, S.

C. Friedrich, C. Brenner, S. Hoffmann, A. Schmitz, I. C. Mayorgak, A. Klehr, G. Erbert, and M. R. Hofmann, “New two-color laser concepts for THz generation,” IEEE J. Sel. Top. Quantum Electron. 14, 270–276 (2008).
[CrossRef]

S. Hoffmann, M. Hofmann, M. Kira, and S. W. Koch, “Two-colour diode lasers for generation of THz radiation,” Semicond. Sci. Technol. 20, S205–S210 (2005).
[CrossRef]

S. Hoffmann, M. Hofmann, E. Bründermann, M. Havenith, M. Matus, J. V. Moloney, A. S. Moskalenko, M. Kira, S. W. Koch, S. Saito, and K. Sakai, “Four-wave mixing and direct terahertz emission with two-color semiconductor lasers,” Appl. Phys. Lett. 84, 3585–3587 (2004).
[CrossRef]

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, M. Sperling, and K. Donhuijsen, “Continuous-wave THz imaging,” Electron. Lett. 37, 1461–1463 (2001).
[CrossRef]

Hofmann, M.

S. Hoffmann, M. Hofmann, M. Kira, and S. W. Koch, “Two-colour diode lasers for generation of THz radiation,” Semicond. Sci. Technol. 20, S205–S210 (2005).
[CrossRef]

S. Hoffmann, M. Hofmann, E. Bründermann, M. Havenith, M. Matus, J. V. Moloney, A. S. Moskalenko, M. Kira, S. W. Koch, S. Saito, and K. Sakai, “Four-wave mixing and direct terahertz emission with two-color semiconductor lasers,” Appl. Phys. Lett. 84, 3585–3587 (2004).
[CrossRef]

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, M. Sperling, and K. Donhuijsen, “Continuous-wave THz imaging,” Electron. Lett. 37, 1461–1463 (2001).
[CrossRef]

Hofmann, M. R.

C. Friedrich, C. Brenner, S. Hoffmann, A. Schmitz, I. C. Mayorgak, A. Klehr, G. Erbert, and M. R. Hofmann, “New two-color laser concepts for THz generation,” IEEE J. Sel. Top. Quantum Electron. 14, 270–276 (2008).
[CrossRef]

Holm, J.

Hyodo, M.

M. Tani, P. Gu, M. Hyodo, K. Sakai, and T. Hidaka, “Generation of coherent terahertz radiation by photomixing of dual-mode lasers,” Opt. Quantum Electron. 32, 503–520 (2000).
[CrossRef]

Jaafar, N.

M. Al-Mumin, C. Kim, I. Kim, N. Jaafar, and G. Li, “Injection locked multi-section gain-coupled dual mode DFB laser for terahertz generation,” Opt. Commun. 275, 186–189 (2007).
[CrossRef]

Jang, Y.

Jensen, O. B.

Jeon, M.

Jeon, M. Y.

Kim, C.

M. Al-Mumin, C. Kim, I. Kim, N. Jaafar, and G. Li, “Injection locked multi-section gain-coupled dual mode DFB laser for terahertz generation,” Opt. Commun. 275, 186–189 (2007).
[CrossRef]

Kim, I.

M. Al-Mumin, C. Kim, I. Kim, N. Jaafar, and G. Li, “Injection locked multi-section gain-coupled dual mode DFB laser for terahertz generation,” Opt. Commun. 275, 186–189 (2007).
[CrossRef]

Kim, N.

Kira, M.

S. Hoffmann, M. Hofmann, M. Kira, and S. W. Koch, “Two-colour diode lasers for generation of THz radiation,” Semicond. Sci. Technol. 20, S205–S210 (2005).
[CrossRef]

S. Hoffmann, M. Hofmann, E. Bründermann, M. Havenith, M. Matus, J. V. Moloney, A. S. Moskalenko, M. Kira, S. W. Koch, S. Saito, and K. Sakai, “Four-wave mixing and direct terahertz emission with two-color semiconductor lasers,” Appl. Phys. Lett. 84, 3585–3587 (2004).
[CrossRef]

Klehr, A.

C. Friedrich, C. Brenner, S. Hoffmann, A. Schmitz, I. C. Mayorgak, A. Klehr, G. Erbert, and M. R. Hofmann, “New two-color laser concepts for THz generation,” IEEE J. Sel. Top. Quantum Electron. 14, 270–276 (2008).
[CrossRef]

A. Klehr, J. Fricke, A. Knauer, G. Erbert, M. Walther, R. Wilk, M. Mikulics, and M. Koch, “High-power monolithic two-mode DFB laser diodes for the generation of THz radiation,” IEEE J. Sel. Top. Quantum Electron. 14, 289–294 (2008).
[CrossRef]

Kleine-Ostmann, T.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, M. Sperling, and K. Donhuijsen, “Continuous-wave THz imaging,” Electron. Lett. 37, 1461–1463 (2001).
[CrossRef]

Knauer, A.

A. Klehr, J. Fricke, A. Knauer, G. Erbert, M. Walther, R. Wilk, M. Mikulics, and M. Koch, “High-power monolithic two-mode DFB laser diodes for the generation of THz radiation,” IEEE J. Sel. Top. Quantum Electron. 14, 289–294 (2008).
[CrossRef]

Knobloch, P.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, M. Sperling, and K. Donhuijsen, “Continuous-wave THz imaging,” Electron. Lett. 37, 1461–1463 (2001).
[CrossRef]

Ko, H.

Koch, M.

A. Klehr, J. Fricke, A. Knauer, G. Erbert, M. Walther, R. Wilk, M. Mikulics, and M. Koch, “High-power monolithic two-mode DFB laser diodes for the generation of THz radiation,” IEEE J. Sel. Top. Quantum Electron. 14, 289–294 (2008).
[CrossRef]

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, M. Sperling, and K. Donhuijsen, “Continuous-wave THz imaging,” Electron. Lett. 37, 1461–1463 (2001).
[CrossRef]

Koch, S. W.

S. Hoffmann, M. Hofmann, M. Kira, and S. W. Koch, “Two-colour diode lasers for generation of THz radiation,” Semicond. Sci. Technol. 20, S205–S210 (2005).
[CrossRef]

S. Hoffmann, M. Hofmann, E. Bründermann, M. Havenith, M. Matus, J. V. Moloney, A. S. Moskalenko, M. Kira, S. W. Koch, S. Saito, and K. Sakai, “Four-wave mixing and direct terahertz emission with two-color semiconductor lasers,” Appl. Phys. Lett. 84, 3585–3587 (2004).
[CrossRef]

Lee, C. W.

Lee, D.

Leem, Y. A.

Li, G.

M. Al-Mumin, C. Kim, I. Kim, N. Jaafar, and G. Li, “Injection locked multi-section gain-coupled dual mode DFB laser for terahertz generation,” Opt. Commun. 275, 186–189 (2007).
[CrossRef]

Lu, P.

W. Wang, M. Cada, J. Seregelyi, S. Paquet, S. J. Mihailov, and P. Lu, “A beat-frequency tunable dual-mode fiber-Bragg-grating external-cavity laser,” IEEE Photon. Technol. Lett. 17, 2436–2438 (2005).
[CrossRef]

Matsuura, S.

T. Hidaka, S. Matsuura, M. Tani, and K. Sakai, “CW terahertz wave generation by photomixing using a two-longitudinal-mode laser diode,” Electron. Lett. 33, 2039–2040 (1997).
[CrossRef]

Matus, M.

S. Hoffmann, M. Hofmann, E. Bründermann, M. Havenith, M. Matus, J. V. Moloney, A. S. Moskalenko, M. Kira, S. W. Koch, S. Saito, and K. Sakai, “Four-wave mixing and direct terahertz emission with two-color semiconductor lasers,” Appl. Phys. Lett. 84, 3585–3587 (2004).
[CrossRef]

Mayorgak, I. C.

C. Friedrich, C. Brenner, S. Hoffmann, A. Schmitz, I. C. Mayorgak, A. Klehr, G. Erbert, and M. R. Hofmann, “New two-color laser concepts for THz generation,” IEEE J. Sel. Top. Quantum Electron. 14, 270–276 (2008).
[CrossRef]

McCarthy, N.

V. Zambon, M. Piché, and N. McCarthy, “Tunable dual-wavelength operation of an external cavity semiconductor laser,” Opt. Commun. 264, 180–186 (2006).
[CrossRef]

Mihailov, S. J.

W. Wang, M. Cada, J. Seregelyi, S. Paquet, S. J. Mihailov, and P. Lu, “A beat-frequency tunable dual-mode fiber-Bragg-grating external-cavity laser,” IEEE Photon. Technol. Lett. 17, 2436–2438 (2005).
[CrossRef]

Mikulics, M.

A. Klehr, J. Fricke, A. Knauer, G. Erbert, M. Walther, R. Wilk, M. Mikulics, and M. Koch, “High-power monolithic two-mode DFB laser diodes for the generation of THz radiation,” IEEE J. Sel. Top. Quantum Electron. 14, 289–294 (2008).
[CrossRef]

Moloney, J. V.

S. Hoffmann, M. Hofmann, E. Bründermann, M. Havenith, M. Matus, J. V. Moloney, A. S. Moskalenko, M. Kira, S. W. Koch, S. Saito, and K. Sakai, “Four-wave mixing and direct terahertz emission with two-color semiconductor lasers,” Appl. Phys. Lett. 84, 3585–3587 (2004).
[CrossRef]

Moskalenko, A. S.

S. Hoffmann, M. Hofmann, E. Bründermann, M. Havenith, M. Matus, J. V. Moloney, A. S. Moskalenko, M. Kira, S. W. Koch, S. Saito, and K. Sakai, “Four-wave mixing and direct terahertz emission with two-color semiconductor lasers,” Appl. Phys. Lett. 84, 3585–3587 (2004).
[CrossRef]

Noh, S. K.

Paquet, S.

W. Wang, M. Cada, J. Seregelyi, S. Paquet, S. J. Mihailov, and P. Lu, “A beat-frequency tunable dual-mode fiber-Bragg-grating external-cavity laser,” IEEE Photon. Technol. Lett. 17, 2436–2438 (2005).
[CrossRef]

Park, I.

I. Park, C. Sydlo, I. Fischer, W. Elsäβer, and H. L. Hartnagel, “Generation and spectroscopic application of tunable continuous-wave terahertz radiation using a dual-mode semiconductor laser,” Meas. Sci. Technol. 19, 065305 (2008).
[CrossRef]

I. Park, I. Fischer, and W. Elsäβer, “Highly nondegenerate four-wave mixing in a tunable dual-mode semiconductor laser,” Appl. Phys. Lett. 84, 5189–5191 (2004).
[CrossRef]

Park, K. H.

Pedersen, C.

Petersen, P. M.

Piché, M.

V. Zambon, M. Piché, and N. McCarthy, “Tunable dual-wavelength operation of an external cavity semiconductor laser,” Opt. Commun. 264, 180–186 (2006).
[CrossRef]

Pierz, K.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, M. Sperling, and K. Donhuijsen, “Continuous-wave THz imaging,” Electron. Lett. 37, 1461–1463 (2001).
[CrossRef]

Rafailov, E. U.

S. A. Zolotovskaya, V. I. Smirnov, G. B. Venus, L. B. Glebov, and E. U. Rafailov, “Two-color output from InGaAs laser with multiplexed reflective Bragg mirror,” IEEE Photon. Technol. Lett. 21, 1093–1095 (2009).
[CrossRef]

S. A. Zolotovskaya, N. Daghestani, G. B. Venus, L. B. Glebov, V. I. Smirnov, and E. U. Rafailov, “Stable dual-wavelength operation of InGaAs diode lasers with volume Bragg gratings,” Appl. Phys. Lett. 91, 171113 (2007).
[CrossRef]

Ryu, H.

Saito, S.

S. Hoffmann, M. Hofmann, E. Bründermann, M. Havenith, M. Matus, J. V. Moloney, A. S. Moskalenko, M. Kira, S. W. Koch, S. Saito, and K. Sakai, “Four-wave mixing and direct terahertz emission with two-color semiconductor lasers,” Appl. Phys. Lett. 84, 3585–3587 (2004).
[CrossRef]

Sakai, K.

S. Hoffmann, M. Hofmann, E. Bründermann, M. Havenith, M. Matus, J. V. Moloney, A. S. Moskalenko, M. Kira, S. W. Koch, S. Saito, and K. Sakai, “Four-wave mixing and direct terahertz emission with two-color semiconductor lasers,” Appl. Phys. Lett. 84, 3585–3587 (2004).
[CrossRef]

M. Tani, P. Gu, M. Hyodo, K. Sakai, and T. Hidaka, “Generation of coherent terahertz radiation by photomixing of dual-mode lasers,” Opt. Quantum Electron. 32, 503–520 (2000).
[CrossRef]

T. Hidaka, S. Matsuura, M. Tani, and K. Sakai, “CW terahertz wave generation by photomixing using a two-longitudinal-mode laser diode,” Electron. Lett. 33, 2039–2040 (1997).
[CrossRef]

Schmitz, A.

C. Friedrich, C. Brenner, S. Hoffmann, A. Schmitz, I. C. Mayorgak, A. Klehr, G. Erbert, and M. R. Hofmann, “New two-color laser concepts for THz generation,” IEEE J. Sel. Top. Quantum Electron. 14, 270–276 (2008).
[CrossRef]

Seregelyi, J.

W. Wang, M. Cada, J. Seregelyi, S. Paquet, S. J. Mihailov, and P. Lu, “A beat-frequency tunable dual-mode fiber-Bragg-grating external-cavity laser,” IEEE Photon. Technol. Lett. 17, 2436–2438 (2005).
[CrossRef]

Shin, J.

Sim, E.

Smirnov, V. I.

S. A. Zolotovskaya, V. I. Smirnov, G. B. Venus, L. B. Glebov, and E. U. Rafailov, “Two-color output from InGaAs laser with multiplexed reflective Bragg mirror,” IEEE Photon. Technol. Lett. 21, 1093–1095 (2009).
[CrossRef]

S. A. Zolotovskaya, N. Daghestani, G. B. Venus, L. B. Glebov, V. I. Smirnov, and E. U. Rafailov, “Stable dual-wavelength operation of InGaAs diode lasers with volume Bragg gratings,” Appl. Phys. Lett. 91, 171113 (2007).
[CrossRef]

Sperling, M.

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, M. Sperling, and K. Donhuijsen, “Continuous-wave THz imaging,” Electron. Lett. 37, 1461–1463 (2001).
[CrossRef]

Sumpf, B.

B. Sumpf, K. Hasler, P. Adamiec, F. Bugge, F. Dittmar, J. Fricke, H. Wenzel, M. Zorn, G. Erbert, and G. Tränkle, “High-brightness quantum well tapered lasers,” IEEE J. Sel. Top. Quantum Electron. 15, 1009–1020 (2009).
[CrossRef]

M. Chi, O. B. Jensen, J. Holm, C. Pedersen, P. E. Andersen, G. Erbert, B. Sumpf, and P. M. Petersen, “Tunable high-power narrow-linewidth semiconductor laser based on an external-cavity tapered amplifier,” Opt. Express 13, 10589–10596 (2005).
[CrossRef]

Sydlo, C.

I. Park, C. Sydlo, I. Fischer, W. Elsäβer, and H. L. Hartnagel, “Generation and spectroscopic application of tunable continuous-wave terahertz radiation using a dual-mode semiconductor laser,” Meas. Sci. Technol. 19, 065305 (2008).
[CrossRef]

Tani, M.

M. Tani, P. Gu, M. Hyodo, K. Sakai, and T. Hidaka, “Generation of coherent terahertz radiation by photomixing of dual-mode lasers,” Opt. Quantum Electron. 32, 503–520 (2000).
[CrossRef]

T. Hidaka, S. Matsuura, M. Tani, and K. Sakai, “CW terahertz wave generation by photomixing using a two-longitudinal-mode laser diode,” Electron. Lett. 33, 2039–2040 (1997).
[CrossRef]

Tränkle, G.

B. Sumpf, K. Hasler, P. Adamiec, F. Bugge, F. Dittmar, J. Fricke, H. Wenzel, M. Zorn, G. Erbert, and G. Tränkle, “High-brightness quantum well tapered lasers,” IEEE J. Sel. Top. Quantum Electron. 15, 1009–1020 (2009).
[CrossRef]

Venus, G. B.

S. A. Zolotovskaya, V. I. Smirnov, G. B. Venus, L. B. Glebov, and E. U. Rafailov, “Two-color output from InGaAs laser with multiplexed reflective Bragg mirror,” IEEE Photon. Technol. Lett. 21, 1093–1095 (2009).
[CrossRef]

S. A. Zolotovskaya, N. Daghestani, G. B. Venus, L. B. Glebov, V. I. Smirnov, and E. U. Rafailov, “Stable dual-wavelength operation of InGaAs diode lasers with volume Bragg gratings,” Appl. Phys. Lett. 91, 171113 (2007).
[CrossRef]

Walther, M.

A. Klehr, J. Fricke, A. Knauer, G. Erbert, M. Walther, R. Wilk, M. Mikulics, and M. Koch, “High-power monolithic two-mode DFB laser diodes for the generation of THz radiation,” IEEE J. Sel. Top. Quantum Electron. 14, 289–294 (2008).
[CrossRef]

Wang, W.

W. Wang, M. Cada, J. Seregelyi, S. Paquet, S. J. Mihailov, and P. Lu, “A beat-frequency tunable dual-mode fiber-Bragg-grating external-cavity laser,” IEEE Photon. Technol. Lett. 17, 2436–2438 (2005).
[CrossRef]

Wenzel, H.

B. Sumpf, K. Hasler, P. Adamiec, F. Bugge, F. Dittmar, J. Fricke, H. Wenzel, M. Zorn, G. Erbert, and G. Tränkle, “High-brightness quantum well tapered lasers,” IEEE J. Sel. Top. Quantum Electron. 15, 1009–1020 (2009).
[CrossRef]

Wilk, R.

A. Klehr, J. Fricke, A. Knauer, G. Erbert, M. Walther, R. Wilk, M. Mikulics, and M. Koch, “High-power monolithic two-mode DFB laser diodes for the generation of THz radiation,” IEEE J. Sel. Top. Quantum Electron. 14, 289–294 (2008).
[CrossRef]

Yee, D.

Zambon, V.

V. Zambon, M. Piché, and N. McCarthy, “Tunable dual-wavelength operation of an external cavity semiconductor laser,” Opt. Commun. 264, 180–186 (2006).
[CrossRef]

Zolotovskaya, S. A.

S. A. Zolotovskaya, V. I. Smirnov, G. B. Venus, L. B. Glebov, and E. U. Rafailov, “Two-color output from InGaAs laser with multiplexed reflective Bragg mirror,” IEEE Photon. Technol. Lett. 21, 1093–1095 (2009).
[CrossRef]

S. A. Zolotovskaya, N. Daghestani, G. B. Venus, L. B. Glebov, V. I. Smirnov, and E. U. Rafailov, “Stable dual-wavelength operation of InGaAs diode lasers with volume Bragg gratings,” Appl. Phys. Lett. 91, 171113 (2007).
[CrossRef]

Zorn, M.

B. Sumpf, K. Hasler, P. Adamiec, F. Bugge, F. Dittmar, J. Fricke, H. Wenzel, M. Zorn, G. Erbert, and G. Tränkle, “High-brightness quantum well tapered lasers,” IEEE J. Sel. Top. Quantum Electron. 15, 1009–1020 (2009).
[CrossRef]

Appl. Opt. (1)

Appl. Phys. Lett. (3)

S. Hoffmann, M. Hofmann, E. Bründermann, M. Havenith, M. Matus, J. V. Moloney, A. S. Moskalenko, M. Kira, S. W. Koch, S. Saito, and K. Sakai, “Four-wave mixing and direct terahertz emission with two-color semiconductor lasers,” Appl. Phys. Lett. 84, 3585–3587 (2004).
[CrossRef]

I. Park, I. Fischer, and W. Elsäβer, “Highly nondegenerate four-wave mixing in a tunable dual-mode semiconductor laser,” Appl. Phys. Lett. 84, 5189–5191 (2004).
[CrossRef]

S. A. Zolotovskaya, N. Daghestani, G. B. Venus, L. B. Glebov, V. I. Smirnov, and E. U. Rafailov, “Stable dual-wavelength operation of InGaAs diode lasers with volume Bragg gratings,” Appl. Phys. Lett. 91, 171113 (2007).
[CrossRef]

Electron. Lett. (2)

T. Kleine-Ostmann, P. Knobloch, M. Koch, S. Hoffmann, M. Breede, M. Hofmann, G. Hein, K. Pierz, M. Sperling, and K. Donhuijsen, “Continuous-wave THz imaging,” Electron. Lett. 37, 1461–1463 (2001).
[CrossRef]

T. Hidaka, S. Matsuura, M. Tani, and K. Sakai, “CW terahertz wave generation by photomixing using a two-longitudinal-mode laser diode,” Electron. Lett. 33, 2039–2040 (1997).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron. (3)

A. Klehr, J. Fricke, A. Knauer, G. Erbert, M. Walther, R. Wilk, M. Mikulics, and M. Koch, “High-power monolithic two-mode DFB laser diodes for the generation of THz radiation,” IEEE J. Sel. Top. Quantum Electron. 14, 289–294 (2008).
[CrossRef]

C. Friedrich, C. Brenner, S. Hoffmann, A. Schmitz, I. C. Mayorgak, A. Klehr, G. Erbert, and M. R. Hofmann, “New two-color laser concepts for THz generation,” IEEE J. Sel. Top. Quantum Electron. 14, 270–276 (2008).
[CrossRef]

B. Sumpf, K. Hasler, P. Adamiec, F. Bugge, F. Dittmar, J. Fricke, H. Wenzel, M. Zorn, G. Erbert, and G. Tränkle, “High-brightness quantum well tapered lasers,” IEEE J. Sel. Top. Quantum Electron. 15, 1009–1020 (2009).
[CrossRef]

IEEE Photon. Technol. Lett. (2)

S. A. Zolotovskaya, V. I. Smirnov, G. B. Venus, L. B. Glebov, and E. U. Rafailov, “Two-color output from InGaAs laser with multiplexed reflective Bragg mirror,” IEEE Photon. Technol. Lett. 21, 1093–1095 (2009).
[CrossRef]

W. Wang, M. Cada, J. Seregelyi, S. Paquet, S. J. Mihailov, and P. Lu, “A beat-frequency tunable dual-mode fiber-Bragg-grating external-cavity laser,” IEEE Photon. Technol. Lett. 17, 2436–2438 (2005).
[CrossRef]

Meas. Sci. Technol. (1)

I. Park, C. Sydlo, I. Fischer, W. Elsäβer, and H. L. Hartnagel, “Generation and spectroscopic application of tunable continuous-wave terahertz radiation using a dual-mode semiconductor laser,” Meas. Sci. Technol. 19, 065305 (2008).
[CrossRef]

Opt. Commun. (2)

V. Zambon, M. Piché, and N. McCarthy, “Tunable dual-wavelength operation of an external cavity semiconductor laser,” Opt. Commun. 264, 180–186 (2006).
[CrossRef]

M. Al-Mumin, C. Kim, I. Kim, N. Jaafar, and G. Li, “Injection locked multi-section gain-coupled dual mode DFB laser for terahertz generation,” Opt. Commun. 275, 186–189 (2007).
[CrossRef]

Opt. Express (3)

Opt. Lett. (1)

Opt. Quantum Electron. (1)

M. Tani, P. Gu, M. Hyodo, K. Sakai, and T. Hidaka, “Generation of coherent terahertz radiation by photomixing of dual-mode lasers,” Opt. Quantum Electron. 32, 503–520 (2000).
[CrossRef]

Semicond. Sci. Technol. (1)

S. Hoffmann, M. Hofmann, M. Kira, and S. W. Koch, “Two-colour diode lasers for generation of THz radiation,” Semicond. Sci. Technol. 20, S205–S210 (2005).
[CrossRef]

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Figures (7)

Fig. 1.
Fig. 1.

(a) Side view of the tapered diode laser amplifier in the experimental setup. (b) Top view of the experimental setup of the dual-wavelength diode laser system. TA, tapered amplifier; L1, L2, aspherical lenses; L3, cylindrical lens; PBS, polarized beam splitter; BS, beam splitter; HWP, half-wave plate; G1, G2, G3, diffraction gratings; λ1, λ2, wavelength 1 and 2. The units are in mm.

Fig. 2.
Fig. 2.

Optical spectra of the output beam from the dual-wavelength tapered diode laser system with frequency difference from 0.57 to 10.02 THz. The operating current is 3.5 A.

Fig. 3.
Fig. 3.

Output power from the dual-wavelength tapered diode laser system versus the frequency difference of the two wavelengths (squares), and the corresponding wavelength λ1 (triangles) and λ2 (inverted triangles).

Fig. 4.
Fig. 4.

Measurement of the stability of the output power at λ1 (black curve) and λ2 (red curve) and the total output power (blue curve) from the dual-wavelength tapered diode laser system.

Fig. 5.
Fig. 5.

Beam width of the output beam in the slow axis with an output power of 1.45 W and a frequency difference of 2.92 THz. The curve represents a hyperbola fit to the measured data.

Fig. 6.
Fig. 6.

Experimental setup for the SFG experiment to test the simultaneous oscillation of the two wavelengths from the dual-wavelength diode laser system. L1, L2, aspherical lenses; L3, cylindrical lens; L4, biconvex lens; HWP, half-wave plate; PBS, polarized beam splitter; G1, G2, gratings; OI, optical isolator; DF, dichroic filter.

Fig. 7.
Fig. 7.

Optical spectra of the second-harmonic signals of each of the two wavelengths (black and red curves) and sum-frequency signal of the two wavelengths (blue curve). Inset: spectrum of the infrared pump beam from the dual-wavelength diode laser system.

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