Abstract

Q-switched fiber ring lasers operated by single-walled carbon nanotubes (SWNTs) hosted in SiO2 matrix are demonstrated by highlighting their stable operation and dramatically improved thermal damage threshold. Employing aerosol deposition process, SWNTs are incorporated into the ceramic host at room-temperature without solubility limitation. After experiencing the intracavity optical power higher than 15.3 dBm, the hosted SWNTs survive to provide Q-switching operation. The continuous repetition rate tuning is achieved in the range of 11.1–32.2 kHz with the pulse-duration of 7.1–15.8 μs at 1558.5 nm.

© 2012 Optical Society of America

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  1. J. T. Verdeyen, “Laser electronics,” Prentice-Hall (1995), 3rd ed.
  2. D. Z. Tsang and J. N. Walpole, “Q-switched semiconductor diode lasers,” J. Quantum Electron. 19, 145–156 (1983).
    [CrossRef]
  3. X. Zhang, S. Zhao, Q. Wang, B. Ozygus, and H. Weber, “Modeling of passively Q-switched lasers,” J. Opt. Soc. Am. B 17, 1166–1175 (2000).
    [CrossRef]
  4. J. A. Morris and C. R. Pollock, “Passive Q-switching of a diode-pumped Nd:YAG laser with a saturable absorber,” Opt. Lett. 15, 440–442 (1990).
    [CrossRef]
  5. R. Paschotta, R. Haring, E. Gini, H. Melchior, U. Keller, H. L. Offerhaus, and D. J. Richardson, “Passively Q-switched 0.1 mJ fiber laser system at 1.5 µm,” Opt. Lett. 24, 388–390 (1999).
    [CrossRef]
  6. M. Laroche, A. M. Chardon, J. Nilsson, D. P. Shepherd, W. A. Clarkson, S. Girard, and R. Moncorge, “Compact diode-pumped passively Q-switched tunable Er-Yb double-clad fiber laser,” Opt. Lett. 27, 1980–1982 (2002).
    [CrossRef]
  7. G. J. Spuhler, R. Paschotta, R. Fluck, B. Braun, M. Moser, G. Zhang, E. Gini, and U. Keller, “Experimentally confirmed design guidelines for passively Q-switched microchip lasers using semiconductor saturable absorbers,” J. Opt. Soc. Am. B 16, 376–388 (1999).
    [CrossRef]
  8. S. Y. Set, H. Yaguchi, Y. Tanaka, and M. Jablonski, “Ultrafast fiber pulsed lasers incorporating carbon nanotubes,” IEEE J. Sel. Top. Quantum Electron. 10, 137–146 (2004).
    [CrossRef]
  9. D. P. Zhou, L. Wei, B. Dong, and W. K. Liu, “Tunable passively Q-switched Erbium-doped fiber laser with carbon nanotubes as a saturable absorber,” IEEE Photon. Technol. Lett. 22, 9–11 (2010).
    [CrossRef]
  10. Y. W. Song, S. Yamashita, C. S. Goh, and S. Y. Set, “Passively mode-locked lasers with 17.2 GHz fundamental-mode repetition rate pulsed by Carbon nanotubes,” Opt. Lett. 32, 430–432 (2007).
    [CrossRef]
  11. S. Yamashita, Y. Inoue, S. Maruyama, Y. Murakami, H. Yaguchi, M. Jablonski, and S. Y. Set, “Saturable absorbers incorporating carbon nanotubes directly synthesized onto substrates and fibers and their application to mode-locked fiber lasers,” Opt. Lett. 29, 1581–1583 (2004).
    [CrossRef]
  12. D. Popa, Z. Sun, T. Hasan, F. Torrisi, F. Wang, and A. C. Ferrari, “Graphene Q-switched, tunable fiber laser,” Appl. Phys. Lett. 98, 073106–073106-3 (2011).
    [CrossRef]
  13. B. Dong, C. Y. Liaw, J. Hao, and J. Hu, “Nanotube Q-switched low-threshold linear cavity tunable erbium-doped fiber laser,” Appl. Opt. 49, 5989–5992 (2010).
    [CrossRef]
  14. Z. Luo, M. Zhou, J. Weng, G. Huang, H. Xu, C. Ye, and Z. Cai, “Graphene-based passively Q-switched dual-wavelength erbium-doped fiber laser,” Opt. Lett. 35, 3709–3711 (2010).
    [CrossRef]
  15. Y. W. Song, S. Yamashita, C. S. Goh, and S. Y. Set, “Carbon nanotube mode-lockers with enhanced nonlinearity via evanescent field interaction in D-shaped fibers,” Opt. Lett. 32, 148–150 (2007).
    [CrossRef]
  16. Y. W. Song, S. Yamashita, and S. Maruyama, “Single-walled carbon nanotubes for high-energy optical pulse formation,” Appl. Phys. Lett. 92, 021115–021115-3 (2008).
  17. Y. W. Song, S. Y. Jang, W. S. Han, and M. K. Bae, “A graphene mode-locker for fiber lasers passively pulsed by evanescent field interation,” Appl. Phys. Lett. 96, 051122–051122-3 (2010).
  18. Y. W. Song, K. H. Fong, S. Y. Set, K. Kikuchi, and S. Yamashita, “Carbon nanotube-incorporated sol-gel glass for modulation of laser absorption,” Opt. Commun. 283, 3740–3742(2010).
  19. H. J. Kim, H. J. Choi, S. M. Nam, and Y. W. Song, “High-performance laser mode-locker with glass-hosted SWNTs realized by room-temperature aerosol deposition,” Opt. Express 19, 4762–4767 (2011).
  20. Y. Sakakibara, A. G. Rozhin, H. Kataura, Y. Achiba, and M. Tokumoto, “Carbon Nanotube-poly(vinylalcohol) nanocomposite film devices: applications for femtosecond fiber laser mode lockers and optical amplifier noise suppressors,” Jpn. J. Appl. Phys. Part 1 44, 1621–1625 (2005).
  21. K. Kieu and M. Mansuripur, “Femtosecond laser pulse generation with a fiber taper embedded in carbon nanotube/polymer composite,” Opt. Lett. 32, 2242–2244 (2007).
    [CrossRef]
  22. T. Hasan, Z. Sun, F. Wang, F. Bonaccorso, P. H. Tan, A. G. Rozhin, and A. C. Ferrari, “Nanotube-polymer composites for ultrafast photonics,” Adv. Mater. 21, 3874–3899 (2009).
    [CrossRef]

2011 (2)

D. Popa, Z. Sun, T. Hasan, F. Torrisi, F. Wang, and A. C. Ferrari, “Graphene Q-switched, tunable fiber laser,” Appl. Phys. Lett. 98, 073106–073106-3 (2011).
[CrossRef]

H. J. Kim, H. J. Choi, S. M. Nam, and Y. W. Song, “High-performance laser mode-locker with glass-hosted SWNTs realized by room-temperature aerosol deposition,” Opt. Express 19, 4762–4767 (2011).

2010 (5)

B. Dong, C. Y. Liaw, J. Hao, and J. Hu, “Nanotube Q-switched low-threshold linear cavity tunable erbium-doped fiber laser,” Appl. Opt. 49, 5989–5992 (2010).
[CrossRef]

Z. Luo, M. Zhou, J. Weng, G. Huang, H. Xu, C. Ye, and Z. Cai, “Graphene-based passively Q-switched dual-wavelength erbium-doped fiber laser,” Opt. Lett. 35, 3709–3711 (2010).
[CrossRef]

Y. W. Song, S. Y. Jang, W. S. Han, and M. K. Bae, “A graphene mode-locker for fiber lasers passively pulsed by evanescent field interation,” Appl. Phys. Lett. 96, 051122–051122-3 (2010).

Y. W. Song, K. H. Fong, S. Y. Set, K. Kikuchi, and S. Yamashita, “Carbon nanotube-incorporated sol-gel glass for modulation of laser absorption,” Opt. Commun. 283, 3740–3742(2010).

D. P. Zhou, L. Wei, B. Dong, and W. K. Liu, “Tunable passively Q-switched Erbium-doped fiber laser with carbon nanotubes as a saturable absorber,” IEEE Photon. Technol. Lett. 22, 9–11 (2010).
[CrossRef]

2009 (1)

T. Hasan, Z. Sun, F. Wang, F. Bonaccorso, P. H. Tan, A. G. Rozhin, and A. C. Ferrari, “Nanotube-polymer composites for ultrafast photonics,” Adv. Mater. 21, 3874–3899 (2009).
[CrossRef]

2008 (1)

Y. W. Song, S. Yamashita, and S. Maruyama, “Single-walled carbon nanotubes for high-energy optical pulse formation,” Appl. Phys. Lett. 92, 021115–021115-3 (2008).

2007 (3)

2005 (1)

Y. Sakakibara, A. G. Rozhin, H. Kataura, Y. Achiba, and M. Tokumoto, “Carbon Nanotube-poly(vinylalcohol) nanocomposite film devices: applications for femtosecond fiber laser mode lockers and optical amplifier noise suppressors,” Jpn. J. Appl. Phys. Part 1 44, 1621–1625 (2005).

2004 (2)

2002 (1)

2000 (1)

1999 (2)

1990 (1)

1983 (1)

D. Z. Tsang and J. N. Walpole, “Q-switched semiconductor diode lasers,” J. Quantum Electron. 19, 145–156 (1983).
[CrossRef]

Achiba, Y.

Y. Sakakibara, A. G. Rozhin, H. Kataura, Y. Achiba, and M. Tokumoto, “Carbon Nanotube-poly(vinylalcohol) nanocomposite film devices: applications for femtosecond fiber laser mode lockers and optical amplifier noise suppressors,” Jpn. J. Appl. Phys. Part 1 44, 1621–1625 (2005).

Bae, M. K.

Y. W. Song, S. Y. Jang, W. S. Han, and M. K. Bae, “A graphene mode-locker for fiber lasers passively pulsed by evanescent field interation,” Appl. Phys. Lett. 96, 051122–051122-3 (2010).

Bonaccorso, F.

T. Hasan, Z. Sun, F. Wang, F. Bonaccorso, P. H. Tan, A. G. Rozhin, and A. C. Ferrari, “Nanotube-polymer composites for ultrafast photonics,” Adv. Mater. 21, 3874–3899 (2009).
[CrossRef]

Braun, B.

Cai, Z.

Chardon, A. M.

Choi, H. J.

Clarkson, W. A.

Dong, B.

D. P. Zhou, L. Wei, B. Dong, and W. K. Liu, “Tunable passively Q-switched Erbium-doped fiber laser with carbon nanotubes as a saturable absorber,” IEEE Photon. Technol. Lett. 22, 9–11 (2010).
[CrossRef]

B. Dong, C. Y. Liaw, J. Hao, and J. Hu, “Nanotube Q-switched low-threshold linear cavity tunable erbium-doped fiber laser,” Appl. Opt. 49, 5989–5992 (2010).
[CrossRef]

Ferrari, A. C.

D. Popa, Z. Sun, T. Hasan, F. Torrisi, F. Wang, and A. C. Ferrari, “Graphene Q-switched, tunable fiber laser,” Appl. Phys. Lett. 98, 073106–073106-3 (2011).
[CrossRef]

T. Hasan, Z. Sun, F. Wang, F. Bonaccorso, P. H. Tan, A. G. Rozhin, and A. C. Ferrari, “Nanotube-polymer composites for ultrafast photonics,” Adv. Mater. 21, 3874–3899 (2009).
[CrossRef]

Fluck, R.

Fong, K. H.

Y. W. Song, K. H. Fong, S. Y. Set, K. Kikuchi, and S. Yamashita, “Carbon nanotube-incorporated sol-gel glass for modulation of laser absorption,” Opt. Commun. 283, 3740–3742(2010).

Gini, E.

Girard, S.

Goh, C. S.

Han, W. S.

Y. W. Song, S. Y. Jang, W. S. Han, and M. K. Bae, “A graphene mode-locker for fiber lasers passively pulsed by evanescent field interation,” Appl. Phys. Lett. 96, 051122–051122-3 (2010).

Hao, J.

Haring, R.

Hasan, T.

D. Popa, Z. Sun, T. Hasan, F. Torrisi, F. Wang, and A. C. Ferrari, “Graphene Q-switched, tunable fiber laser,” Appl. Phys. Lett. 98, 073106–073106-3 (2011).
[CrossRef]

T. Hasan, Z. Sun, F. Wang, F. Bonaccorso, P. H. Tan, A. G. Rozhin, and A. C. Ferrari, “Nanotube-polymer composites for ultrafast photonics,” Adv. Mater. 21, 3874–3899 (2009).
[CrossRef]

Hu, J.

Huang, G.

Inoue, Y.

Jablonski, M.

Jang, S. Y.

Y. W. Song, S. Y. Jang, W. S. Han, and M. K. Bae, “A graphene mode-locker for fiber lasers passively pulsed by evanescent field interation,” Appl. Phys. Lett. 96, 051122–051122-3 (2010).

Kataura, H.

Y. Sakakibara, A. G. Rozhin, H. Kataura, Y. Achiba, and M. Tokumoto, “Carbon Nanotube-poly(vinylalcohol) nanocomposite film devices: applications for femtosecond fiber laser mode lockers and optical amplifier noise suppressors,” Jpn. J. Appl. Phys. Part 1 44, 1621–1625 (2005).

Keller, U.

Kieu, K.

Kikuchi, K.

Y. W. Song, K. H. Fong, S. Y. Set, K. Kikuchi, and S. Yamashita, “Carbon nanotube-incorporated sol-gel glass for modulation of laser absorption,” Opt. Commun. 283, 3740–3742(2010).

Kim, H. J.

Laroche, M.

Liaw, C. Y.

Liu, W. K.

D. P. Zhou, L. Wei, B. Dong, and W. K. Liu, “Tunable passively Q-switched Erbium-doped fiber laser with carbon nanotubes as a saturable absorber,” IEEE Photon. Technol. Lett. 22, 9–11 (2010).
[CrossRef]

Luo, Z.

Mansuripur, M.

Maruyama, S.

Melchior, H.

Moncorge, R.

Morris, J. A.

Moser, M.

Murakami, Y.

Nam, S. M.

Nilsson, J.

Offerhaus, H. L.

Ozygus, B.

Paschotta, R.

Pollock, C. R.

Popa, D.

D. Popa, Z. Sun, T. Hasan, F. Torrisi, F. Wang, and A. C. Ferrari, “Graphene Q-switched, tunable fiber laser,” Appl. Phys. Lett. 98, 073106–073106-3 (2011).
[CrossRef]

Richardson, D. J.

Rozhin, A. G.

T. Hasan, Z. Sun, F. Wang, F. Bonaccorso, P. H. Tan, A. G. Rozhin, and A. C. Ferrari, “Nanotube-polymer composites for ultrafast photonics,” Adv. Mater. 21, 3874–3899 (2009).
[CrossRef]

Y. Sakakibara, A. G. Rozhin, H. Kataura, Y. Achiba, and M. Tokumoto, “Carbon Nanotube-poly(vinylalcohol) nanocomposite film devices: applications for femtosecond fiber laser mode lockers and optical amplifier noise suppressors,” Jpn. J. Appl. Phys. Part 1 44, 1621–1625 (2005).

Sakakibara, Y.

Y. Sakakibara, A. G. Rozhin, H. Kataura, Y. Achiba, and M. Tokumoto, “Carbon Nanotube-poly(vinylalcohol) nanocomposite film devices: applications for femtosecond fiber laser mode lockers and optical amplifier noise suppressors,” Jpn. J. Appl. Phys. Part 1 44, 1621–1625 (2005).

Set, S. Y.

Shepherd, D. P.

Song, Y. W.

H. J. Kim, H. J. Choi, S. M. Nam, and Y. W. Song, “High-performance laser mode-locker with glass-hosted SWNTs realized by room-temperature aerosol deposition,” Opt. Express 19, 4762–4767 (2011).

Y. W. Song, S. Y. Jang, W. S. Han, and M. K. Bae, “A graphene mode-locker for fiber lasers passively pulsed by evanescent field interation,” Appl. Phys. Lett. 96, 051122–051122-3 (2010).

Y. W. Song, K. H. Fong, S. Y. Set, K. Kikuchi, and S. Yamashita, “Carbon nanotube-incorporated sol-gel glass for modulation of laser absorption,” Opt. Commun. 283, 3740–3742(2010).

Y. W. Song, S. Yamashita, and S. Maruyama, “Single-walled carbon nanotubes for high-energy optical pulse formation,” Appl. Phys. Lett. 92, 021115–021115-3 (2008).

Y. W. Song, S. Yamashita, C. S. Goh, and S. Y. Set, “Passively mode-locked lasers with 17.2 GHz fundamental-mode repetition rate pulsed by Carbon nanotubes,” Opt. Lett. 32, 430–432 (2007).
[CrossRef]

Y. W. Song, S. Yamashita, C. S. Goh, and S. Y. Set, “Carbon nanotube mode-lockers with enhanced nonlinearity via evanescent field interaction in D-shaped fibers,” Opt. Lett. 32, 148–150 (2007).
[CrossRef]

Spuhler, G. J.

Sun, Z.

D. Popa, Z. Sun, T. Hasan, F. Torrisi, F. Wang, and A. C. Ferrari, “Graphene Q-switched, tunable fiber laser,” Appl. Phys. Lett. 98, 073106–073106-3 (2011).
[CrossRef]

T. Hasan, Z. Sun, F. Wang, F. Bonaccorso, P. H. Tan, A. G. Rozhin, and A. C. Ferrari, “Nanotube-polymer composites for ultrafast photonics,” Adv. Mater. 21, 3874–3899 (2009).
[CrossRef]

Tan, P. H.

T. Hasan, Z. Sun, F. Wang, F. Bonaccorso, P. H. Tan, A. G. Rozhin, and A. C. Ferrari, “Nanotube-polymer composites for ultrafast photonics,” Adv. Mater. 21, 3874–3899 (2009).
[CrossRef]

Tanaka, Y.

S. Y. Set, H. Yaguchi, Y. Tanaka, and M. Jablonski, “Ultrafast fiber pulsed lasers incorporating carbon nanotubes,” IEEE J. Sel. Top. Quantum Electron. 10, 137–146 (2004).
[CrossRef]

Tokumoto, M.

Y. Sakakibara, A. G. Rozhin, H. Kataura, Y. Achiba, and M. Tokumoto, “Carbon Nanotube-poly(vinylalcohol) nanocomposite film devices: applications for femtosecond fiber laser mode lockers and optical amplifier noise suppressors,” Jpn. J. Appl. Phys. Part 1 44, 1621–1625 (2005).

Torrisi, F.

D. Popa, Z. Sun, T. Hasan, F. Torrisi, F. Wang, and A. C. Ferrari, “Graphene Q-switched, tunable fiber laser,” Appl. Phys. Lett. 98, 073106–073106-3 (2011).
[CrossRef]

Tsang, D. Z.

D. Z. Tsang and J. N. Walpole, “Q-switched semiconductor diode lasers,” J. Quantum Electron. 19, 145–156 (1983).
[CrossRef]

Verdeyen, J. T.

J. T. Verdeyen, “Laser electronics,” Prentice-Hall (1995), 3rd ed.

Walpole, J. N.

D. Z. Tsang and J. N. Walpole, “Q-switched semiconductor diode lasers,” J. Quantum Electron. 19, 145–156 (1983).
[CrossRef]

Wang, F.

D. Popa, Z. Sun, T. Hasan, F. Torrisi, F. Wang, and A. C. Ferrari, “Graphene Q-switched, tunable fiber laser,” Appl. Phys. Lett. 98, 073106–073106-3 (2011).
[CrossRef]

T. Hasan, Z. Sun, F. Wang, F. Bonaccorso, P. H. Tan, A. G. Rozhin, and A. C. Ferrari, “Nanotube-polymer composites for ultrafast photonics,” Adv. Mater. 21, 3874–3899 (2009).
[CrossRef]

Wang, Q.

Weber, H.

Wei, L.

D. P. Zhou, L. Wei, B. Dong, and W. K. Liu, “Tunable passively Q-switched Erbium-doped fiber laser with carbon nanotubes as a saturable absorber,” IEEE Photon. Technol. Lett. 22, 9–11 (2010).
[CrossRef]

Weng, J.

Xu, H.

Yaguchi, H.

Yamashita, S.

Ye, C.

Zhang, G.

Zhang, X.

Zhao, S.

Zhou, D. P.

D. P. Zhou, L. Wei, B. Dong, and W. K. Liu, “Tunable passively Q-switched Erbium-doped fiber laser with carbon nanotubes as a saturable absorber,” IEEE Photon. Technol. Lett. 22, 9–11 (2010).
[CrossRef]

Zhou, M.

Adv. Mater. (1)

T. Hasan, Z. Sun, F. Wang, F. Bonaccorso, P. H. Tan, A. G. Rozhin, and A. C. Ferrari, “Nanotube-polymer composites for ultrafast photonics,” Adv. Mater. 21, 3874–3899 (2009).
[CrossRef]

Appl. Opt. (1)

Appl. Phys. Lett. (3)

D. Popa, Z. Sun, T. Hasan, F. Torrisi, F. Wang, and A. C. Ferrari, “Graphene Q-switched, tunable fiber laser,” Appl. Phys. Lett. 98, 073106–073106-3 (2011).
[CrossRef]

Y. W. Song, S. Yamashita, and S. Maruyama, “Single-walled carbon nanotubes for high-energy optical pulse formation,” Appl. Phys. Lett. 92, 021115–021115-3 (2008).

Y. W. Song, S. Y. Jang, W. S. Han, and M. K. Bae, “A graphene mode-locker for fiber lasers passively pulsed by evanescent field interation,” Appl. Phys. Lett. 96, 051122–051122-3 (2010).

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

S. Y. Set, H. Yaguchi, Y. Tanaka, and M. Jablonski, “Ultrafast fiber pulsed lasers incorporating carbon nanotubes,” IEEE J. Sel. Top. Quantum Electron. 10, 137–146 (2004).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

D. P. Zhou, L. Wei, B. Dong, and W. K. Liu, “Tunable passively Q-switched Erbium-doped fiber laser with carbon nanotubes as a saturable absorber,” IEEE Photon. Technol. Lett. 22, 9–11 (2010).
[CrossRef]

J. Opt. Soc. Am. B (2)

J. Quantum Electron. (1)

D. Z. Tsang and J. N. Walpole, “Q-switched semiconductor diode lasers,” J. Quantum Electron. 19, 145–156 (1983).
[CrossRef]

Jpn. J. Appl. Phys. Part 1 (1)

Y. Sakakibara, A. G. Rozhin, H. Kataura, Y. Achiba, and M. Tokumoto, “Carbon Nanotube-poly(vinylalcohol) nanocomposite film devices: applications for femtosecond fiber laser mode lockers and optical amplifier noise suppressors,” Jpn. J. Appl. Phys. Part 1 44, 1621–1625 (2005).

Opt. Commun. (1)

Y. W. Song, K. H. Fong, S. Y. Set, K. Kikuchi, and S. Yamashita, “Carbon nanotube-incorporated sol-gel glass for modulation of laser absorption,” Opt. Commun. 283, 3740–3742(2010).

Opt. Express (1)

Opt. Lett. (8)

J. A. Morris and C. R. Pollock, “Passive Q-switching of a diode-pumped Nd:YAG laser with a saturable absorber,” Opt. Lett. 15, 440–442 (1990).
[CrossRef]

R. Paschotta, R. Haring, E. Gini, H. Melchior, U. Keller, H. L. Offerhaus, and D. J. Richardson, “Passively Q-switched 0.1 mJ fiber laser system at 1.5 µm,” Opt. Lett. 24, 388–390 (1999).
[CrossRef]

M. Laroche, A. M. Chardon, J. Nilsson, D. P. Shepherd, W. A. Clarkson, S. Girard, and R. Moncorge, “Compact diode-pumped passively Q-switched tunable Er-Yb double-clad fiber laser,” Opt. Lett. 27, 1980–1982 (2002).
[CrossRef]

Y. W. Song, S. Yamashita, C. S. Goh, and S. Y. Set, “Passively mode-locked lasers with 17.2 GHz fundamental-mode repetition rate pulsed by Carbon nanotubes,” Opt. Lett. 32, 430–432 (2007).
[CrossRef]

S. Yamashita, Y. Inoue, S. Maruyama, Y. Murakami, H. Yaguchi, M. Jablonski, and S. Y. Set, “Saturable absorbers incorporating carbon nanotubes directly synthesized onto substrates and fibers and their application to mode-locked fiber lasers,” Opt. Lett. 29, 1581–1583 (2004).
[CrossRef]

K. Kieu and M. Mansuripur, “Femtosecond laser pulse generation with a fiber taper embedded in carbon nanotube/polymer composite,” Opt. Lett. 32, 2242–2244 (2007).
[CrossRef]

Z. Luo, M. Zhou, J. Weng, G. Huang, H. Xu, C. Ye, and Z. Cai, “Graphene-based passively Q-switched dual-wavelength erbium-doped fiber laser,” Opt. Lett. 35, 3709–3711 (2010).
[CrossRef]

Y. W. Song, S. Yamashita, C. S. Goh, and S. Y. Set, “Carbon nanotube mode-lockers with enhanced nonlinearity via evanescent field interaction in D-shaped fibers,” Opt. Lett. 32, 148–150 (2007).
[CrossRef]

Other (1)

J. T. Verdeyen, “Laser electronics,” Prentice-Hall (1995), 3rd ed.

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Figures (5)

Fig. 1.
Fig. 1.

(a) Conceptual explanation of the nonlinear saturable absorption connected to linear absorption characteristics. (b) Pulse formation by the nonlinear operation of SiO2-hosted SWNTs as a saturable absorber.

Fig. 2.
Fig. 2.

Experimental setup for an all-fiber Q-switched laser.

Fig. 3.
Fig. 3.

(a) Repetition-rate-tuning of the Q-switched lasers with respect to pump current level. (b) Repetition-rate-tuned pulse trains. Arbitrary tuning window can be selected by designing the saturable absorbers, therefore adjusting the cavity Q-factor.

Fig. 4.
Fig. 4.

Pulse-duration changes depending on the pump current level.

Fig. 5.
Fig. 5.

(a) Spectra of the Q-switched lasers, and (b) output power changes depending on the pump current level.

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