J. A. Sobota, S. Yang, J. G. Analytis, Y. L. Chen, I. R. Fisher, P. S. Kirchmann, and Z. X. Shen, “Ultrafast optical excitation of a persistent surface-state population in the topological insulator Bi2Se3.,” Phys. Rev. Lett.108(11), 117403 (2012).

[CrossRef]
[PubMed]

R. A. Ganeev, A. I. Ryasnyansky, M. Baba, M. Suzuki, N. Ishizawa, M. Turu, S. Sakakibara, and H. Kuroda, “Nonlinear refraction in CS2,” Appl. Phys. B78(3–4), 433–438 (2004).

[CrossRef]

Y. W. Song, S. Y. Jang, W. S. Han, and M. K. Bae, “Graphene mode-lockers for fiber lasers functioned with evanescent field interaction,” Appl. Phys. Lett.96(5), 051122 (2010).

[CrossRef]

Q. L. Bao, H. Zhang, Y. Wang, Z. Ni, Y. Yan, Z. X. Shen, K. P. Loh, and D. Y. Tang, “Atomic-Layer Graphene as a Saturable Absorber for Ultrafast Pulsed Lasers,” Adv. Funct. Mater.19(19), 3077–3083 (2009).

[CrossRef]

H. Zhang, D. Y. Tang, L. M. Zhao, Q. L. Bao, and K. P. Loh, “Large energy mode locking of an erbium-doped fiber laser with atomic layer graphene,” Opt. Express17(20), 17630–17635 (2009).

[CrossRef]
[PubMed]

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene Mode-Locked Ultrafast Laser,” ACS Nano4(2), 803–810 (2010).

[CrossRef]
[PubMed]

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene Mode-Locked Ultrafast Laser,” ACS Nano4(2), 803–810 (2010).

[CrossRef]
[PubMed]

F. Bonaccorso, Z. Sun, T. Hasan, and A. C. Ferrari, “Graphene photonics and optoelectronics,” Nat. Photonics4(9), 611–622 (2010).

[CrossRef]

M. Hajlaoui, E. Papalazarou, J. Mauchain, G. Lantz, N. Moisan, D. Boschetto, Z. Jiang, I. Miotkowski, Y. P. Chen, A. Taleb-Ibrahimi, L. Perfetti, and M. Marsi, “Ultrafast surface carrier dynamics in the topological insulator Bi2Te3,” Nano Lett.12(7), 3532–3536 (2012).

[CrossRef]
[PubMed]

M. Chattopadhyay, P. Kumbhakar, C. S. Tiwary, A. K. Mitra, U. Chatterjee, and T. Kobayashi, “Three-photon-induced four-photon absorption and nonlinear refraction in ZnO quantum dots,” Opt. Lett.34(23), 3644–3646 (2009).

[CrossRef]
[PubMed]

M. Chattopadhyay, P. Kumbhakar, R. Sarkar, and A. K. Mitra, “Enhanced three-photon absorption and nonlinear refraction in ZnS and Mn 2+ doped ZnS quantum dots,” Appl. Phys. Lett.95(16), 163115 (2009).

[CrossRef]

Z. Zheng, C. Zhao, S. Lu, Y. Chen, Y. Li, H. Zhang, and S. Wen, “Microwave and optical saturable absorption in graphene,” Opt. Express20(21), 23201–23214 (2012).

[CrossRef]
[PubMed]

C. Zhao, Y. Zou, Y. Chen, Z. Wang, S. Lu, H. Zhang, S. Wen, and D. Tang, “Wavelength-tunable picosecond soliton fiber laser with Topological Insulator: Bi2Se3 as a mode locker,” Opt. Express20(25), 27888–27895 (2012).

[CrossRef]

C. Zhao and H. Zhang, X. QiY. Chen, Z. Wang, S. Wen, and D. Tang, “Ultra-short pulse generation by a topological insulator based saturable absorber,” Appl. Phys. Lett.101(21), 211106 (2012).

J. A. Sobota, S. Yang, J. G. Analytis, Y. L. Chen, I. R. Fisher, P. S. Kirchmann, and Z. X. Shen, “Ultrafast optical excitation of a persistent surface-state population in the topological insulator Bi2Se3.,” Phys. Rev. Lett.108(11), 117403 (2012).

[CrossRef]
[PubMed]

M. Hajlaoui, E. Papalazarou, J. Mauchain, G. Lantz, N. Moisan, D. Boschetto, Z. Jiang, I. Miotkowski, Y. P. Chen, A. Taleb-Ibrahimi, L. Perfetti, and M. Marsi, “Ultrafast surface carrier dynamics in the topological insulator Bi2Te3,” Nano Lett.12(7), 3532–3536 (2012).

[CrossRef]
[PubMed]

H. Zhang, C.-X. Liu, X.-L. Qi, X. Dai, Z. Fang, and S.-C. Zhang, “Topological insulators in Bi2Se3, Bi2Te3 and Sb2Te3 with a single Dirac cone on the surface,” Nat. Phys.5(6), 438–442 (2009).

[CrossRef]

M. Dinu, F. Quochi, and H. Garcia, “Third-order nonlinearities in silicon at telecom wavelengths,” Appl. Phys. Lett.82(18), 2954–2956 (2003).

[CrossRef]

J. Zhang, Z. P. Peng, A. Soni, Y. Y. Zhao, Y. Xiong, B. Peng, J. B. Wang, M. S. Dresselhaus, and Q. H. Xiong, “Raman spectroscopy of few-quintuple layer topological insulator Bi2Se3 nanoplatelets,” Nano Lett.11(6), 2407–2414 (2011).

[CrossRef]
[PubMed]

H. Zhang, C.-X. Liu, X.-L. Qi, X. Dai, Z. Fang, and S.-C. Zhang, “Topological insulators in Bi2Se3, Bi2Te3 and Sb2Te3 with a single Dirac cone on the surface,” Nat. Phys.5(6), 438–442 (2009).

[CrossRef]

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene Mode-Locked Ultrafast Laser,” ACS Nano4(2), 803–810 (2010).

[CrossRef]
[PubMed]

F. Bonaccorso, Z. Sun, T. Hasan, and A. C. Ferrari, “Graphene photonics and optoelectronics,” Nat. Photonics4(9), 611–622 (2010).

[CrossRef]

G. I. Stegeman, E. M. Wright, N. Finlayson, R. Zanoni, and C. T. Seaton, “Third order nonlinear integrated optics,” J. Lightwave Technol.6(6), 953–970 (1988).

[CrossRef]

J. A. Sobota, S. Yang, J. G. Analytis, Y. L. Chen, I. R. Fisher, P. S. Kirchmann, and Z. X. Shen, “Ultrafast optical excitation of a persistent surface-state population in the topological insulator Bi2Se3.,” Phys. Rev. Lett.108(11), 117403 (2012).

[CrossRef]
[PubMed]

R. A. Ganeev, A. I. Ryasnyansky, M. Baba, M. Suzuki, N. Ishizawa, M. Turu, S. Sakakibara, and H. Kuroda, “Nonlinear refraction in CS2,” Appl. Phys. B78(3–4), 433–438 (2004).

[CrossRef]

M. Dinu, F. Quochi, and H. Garcia, “Third-order nonlinearities in silicon at telecom wavelengths,” Appl. Phys. Lett.82(18), 2954–2956 (2003).

[CrossRef]

M. Sheik-Bahae, A. A. Said, T.-H. Wei, D. J. Hagan, and E. W. Van Stryland, “Sensitive measurement of optical nonlinearities using a single beam,” IEEE J. Quantum Electron.26(4), 760–769 (1990).

[CrossRef]

M. Hajlaoui, E. Papalazarou, J. Mauchain, G. Lantz, N. Moisan, D. Boschetto, Z. Jiang, I. Miotkowski, Y. P. Chen, A. Taleb-Ibrahimi, L. Perfetti, and M. Marsi, “Ultrafast surface carrier dynamics in the topological insulator Bi2Te3,” Nano Lett.12(7), 3532–3536 (2012).

[CrossRef]
[PubMed]

Y. W. Song, S. Y. Jang, W. S. Han, and M. K. Bae, “Graphene mode-lockers for fiber lasers functioned with evanescent field interaction,” Appl. Phys. Lett.96(5), 051122 (2010).

[CrossRef]

M. Z. Hasan and C. L. Kane, “Colloquium: Topological insulators,” Rev. Mod. Phys.82(4), 3045–3067 (2010).

[CrossRef]

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene Mode-Locked Ultrafast Laser,” ACS Nano4(2), 803–810 (2010).

[CrossRef]
[PubMed]

F. Bonaccorso, Z. Sun, T. Hasan, and A. C. Ferrari, “Graphene photonics and optoelectronics,” Nat. Photonics4(9), 611–622 (2010).

[CrossRef]

I. Moreels, Z. Hens, P. Kockaert, J. Loicq, and D. Van Thourhout, “Spectroscopy of the nonlinear refractive index of colloidal PbSe nanocrystals,” Appl. Phys. Lett.89(19), 193106 (2006).

[CrossRef]

R. A. Ganeev, A. I. Ryasnyansky, M. Baba, M. Suzuki, N. Ishizawa, M. Turu, S. Sakakibara, and H. Kuroda, “Nonlinear refraction in CS2,” Appl. Phys. B78(3–4), 433–438 (2004).

[CrossRef]

Y. W. Song, S. Y. Jang, W. S. Han, and M. K. Bae, “Graphene mode-lockers for fiber lasers functioned with evanescent field interaction,” Appl. Phys. Lett.96(5), 051122 (2010).

[CrossRef]

M. Hajlaoui, E. Papalazarou, J. Mauchain, G. Lantz, N. Moisan, D. Boschetto, Z. Jiang, I. Miotkowski, Y. P. Chen, A. Taleb-Ibrahimi, L. Perfetti, and M. Marsi, “Ultrafast surface carrier dynamics in the topological insulator Bi2Te3,” Nano Lett.12(7), 3532–3536 (2012).

[CrossRef]
[PubMed]

M. Z. Hasan and C. L. Kane, “Colloquium: Topological insulators,” Rev. Mod. Phys.82(4), 3045–3067 (2010).

[CrossRef]

J. A. Sobota, S. Yang, J. G. Analytis, Y. L. Chen, I. R. Fisher, P. S. Kirchmann, and Z. X. Shen, “Ultrafast optical excitation of a persistent surface-state population in the topological insulator Bi2Se3.,” Phys. Rev. Lett.108(11), 117403 (2012).

[CrossRef]
[PubMed]

H. Zhang, S. Virally, Q. Bao, L. Kian Ping, S. Massar, N. Godbout, and P. Kockaert, “Z-scan measurement of the nonlinear refractive index of graphene,” Opt. Lett.37(11), 1856–1858 (2012).

[CrossRef]
[PubMed]

I. Moreels, Z. Hens, P. Kockaert, J. Loicq, and D. Van Thourhout, “Spectroscopy of the nonlinear refractive index of colloidal PbSe nanocrystals,” Appl. Phys. Lett.89(19), 193106 (2006).

[CrossRef]

M. Chattopadhyay, P. Kumbhakar, C. S. Tiwary, A. K. Mitra, U. Chatterjee, and T. Kobayashi, “Three-photon-induced four-photon absorption and nonlinear refraction in ZnO quantum dots,” Opt. Lett.34(23), 3644–3646 (2009).

[CrossRef]
[PubMed]

M. Chattopadhyay, P. Kumbhakar, R. Sarkar, and A. K. Mitra, “Enhanced three-photon absorption and nonlinear refraction in ZnS and Mn 2+ doped ZnS quantum dots,” Appl. Phys. Lett.95(16), 163115 (2009).

[CrossRef]

R. A. Ganeev, A. I. Ryasnyansky, M. Baba, M. Suzuki, N. Ishizawa, M. Turu, S. Sakakibara, and H. Kuroda, “Nonlinear refraction in CS2,” Appl. Phys. B78(3–4), 433–438 (2004).

[CrossRef]

M. Hajlaoui, E. Papalazarou, J. Mauchain, G. Lantz, N. Moisan, D. Boschetto, Z. Jiang, I. Miotkowski, Y. P. Chen, A. Taleb-Ibrahimi, L. Perfetti, and M. Marsi, “Ultrafast surface carrier dynamics in the topological insulator Bi2Te3,” Nano Lett.12(7), 3532–3536 (2012).

[CrossRef]
[PubMed]

H. Zhang, C.-X. Liu, X.-L. Qi, X. Dai, Z. Fang, and S.-C. Zhang, “Topological insulators in Bi2Se3, Bi2Te3 and Sb2Te3 with a single Dirac cone on the surface,” Nat. Phys.5(6), 438–442 (2009).

[CrossRef]

Q. L. Bao, H. Zhang, Y. Wang, Z. Ni, Y. Yan, Z. X. Shen, K. P. Loh, and D. Y. Tang, “Atomic-Layer Graphene as a Saturable Absorber for Ultrafast Pulsed Lasers,” Adv. Funct. Mater.19(19), 3077–3083 (2009).

[CrossRef]

H. Zhang, D. Y. Tang, L. M. Zhao, Q. L. Bao, and K. P. Loh, “Large energy mode locking of an erbium-doped fiber laser with atomic layer graphene,” Opt. Express17(20), 17630–17635 (2009).

[CrossRef]
[PubMed]

I. Moreels, Z. Hens, P. Kockaert, J. Loicq, and D. Van Thourhout, “Spectroscopy of the nonlinear refractive index of colloidal PbSe nanocrystals,” Appl. Phys. Lett.89(19), 193106 (2006).

[CrossRef]

C. Zhao, Y. Zou, Y. Chen, Z. Wang, S. Lu, H. Zhang, S. Wen, and D. Tang, “Wavelength-tunable picosecond soliton fiber laser with Topological Insulator: Bi2Se3 as a mode locker,” Opt. Express20(25), 27888–27895 (2012).

[CrossRef]

Z. Zheng, C. Zhao, S. Lu, Y. Chen, Y. Li, H. Zhang, and S. Wen, “Microwave and optical saturable absorption in graphene,” Opt. Express20(21), 23201–23214 (2012).

[CrossRef]
[PubMed]

M. Hajlaoui, E. Papalazarou, J. Mauchain, G. Lantz, N. Moisan, D. Boschetto, Z. Jiang, I. Miotkowski, Y. P. Chen, A. Taleb-Ibrahimi, L. Perfetti, and M. Marsi, “Ultrafast surface carrier dynamics in the topological insulator Bi2Te3,” Nano Lett.12(7), 3532–3536 (2012).

[CrossRef]
[PubMed]

M. Hajlaoui, E. Papalazarou, J. Mauchain, G. Lantz, N. Moisan, D. Boschetto, Z. Jiang, I. Miotkowski, Y. P. Chen, A. Taleb-Ibrahimi, L. Perfetti, and M. Marsi, “Ultrafast surface carrier dynamics in the topological insulator Bi2Te3,” Nano Lett.12(7), 3532–3536 (2012).

[CrossRef]
[PubMed]

M. Hajlaoui, E. Papalazarou, J. Mauchain, G. Lantz, N. Moisan, D. Boschetto, Z. Jiang, I. Miotkowski, Y. P. Chen, A. Taleb-Ibrahimi, L. Perfetti, and M. Marsi, “Ultrafast surface carrier dynamics in the topological insulator Bi2Te3,” Nano Lett.12(7), 3532–3536 (2012).

[CrossRef]
[PubMed]

M. Chattopadhyay, P. Kumbhakar, C. S. Tiwary, A. K. Mitra, U. Chatterjee, and T. Kobayashi, “Three-photon-induced four-photon absorption and nonlinear refraction in ZnO quantum dots,” Opt. Lett.34(23), 3644–3646 (2009).

[CrossRef]
[PubMed]

M. Chattopadhyay, P. Kumbhakar, R. Sarkar, and A. K. Mitra, “Enhanced three-photon absorption and nonlinear refraction in ZnS and Mn 2+ doped ZnS quantum dots,” Appl. Phys. Lett.95(16), 163115 (2009).

[CrossRef]

M. Hajlaoui, E. Papalazarou, J. Mauchain, G. Lantz, N. Moisan, D. Boschetto, Z. Jiang, I. Miotkowski, Y. P. Chen, A. Taleb-Ibrahimi, L. Perfetti, and M. Marsi, “Ultrafast surface carrier dynamics in the topological insulator Bi2Te3,” Nano Lett.12(7), 3532–3536 (2012).

[CrossRef]
[PubMed]

I. Moreels, Z. Hens, P. Kockaert, J. Loicq, and D. Van Thourhout, “Spectroscopy of the nonlinear refractive index of colloidal PbSe nanocrystals,” Appl. Phys. Lett.89(19), 193106 (2006).

[CrossRef]

Q. L. Bao, H. Zhang, Y. Wang, Z. Ni, Y. Yan, Z. X. Shen, K. P. Loh, and D. Y. Tang, “Atomic-Layer Graphene as a Saturable Absorber for Ultrafast Pulsed Lasers,” Adv. Funct. Mater.19(19), 3077–3083 (2009).

[CrossRef]

M. Hajlaoui, E. Papalazarou, J. Mauchain, G. Lantz, N. Moisan, D. Boschetto, Z. Jiang, I. Miotkowski, Y. P. Chen, A. Taleb-Ibrahimi, L. Perfetti, and M. Marsi, “Ultrafast surface carrier dynamics in the topological insulator Bi2Te3,” Nano Lett.12(7), 3532–3536 (2012).

[CrossRef]
[PubMed]

J. Zhang, Z. P. Peng, A. Soni, Y. Y. Zhao, Y. Xiong, B. Peng, J. B. Wang, M. S. Dresselhaus, and Q. H. Xiong, “Raman spectroscopy of few-quintuple layer topological insulator Bi2Se3 nanoplatelets,” Nano Lett.11(6), 2407–2414 (2011).

[CrossRef]
[PubMed]

J. Zhang, Z. P. Peng, A. Soni, Y. Y. Zhao, Y. Xiong, B. Peng, J. B. Wang, M. S. Dresselhaus, and Q. H. Xiong, “Raman spectroscopy of few-quintuple layer topological insulator Bi2Se3 nanoplatelets,” Nano Lett.11(6), 2407–2414 (2011).

[CrossRef]
[PubMed]

M. Hajlaoui, E. Papalazarou, J. Mauchain, G. Lantz, N. Moisan, D. Boschetto, Z. Jiang, I. Miotkowski, Y. P. Chen, A. Taleb-Ibrahimi, L. Perfetti, and M. Marsi, “Ultrafast surface carrier dynamics in the topological insulator Bi2Te3,” Nano Lett.12(7), 3532–3536 (2012).

[CrossRef]
[PubMed]

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene Mode-Locked Ultrafast Laser,” ACS Nano4(2), 803–810 (2010).

[CrossRef]
[PubMed]

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene Mode-Locked Ultrafast Laser,” ACS Nano4(2), 803–810 (2010).

[CrossRef]
[PubMed]

X. L. Qi and S. C. Zhang, “Topological insulators and superconductors,” Rev. Mod. Phys.83(4), 1057–1110 (2011).

[CrossRef]

H. Zhang, C.-X. Liu, X.-L. Qi, X. Dai, Z. Fang, and S.-C. Zhang, “Topological insulators in Bi2Se3, Bi2Te3 and Sb2Te3 with a single Dirac cone on the surface,” Nat. Phys.5(6), 438–442 (2009).

[CrossRef]

M. Dinu, F. Quochi, and H. Garcia, “Third-order nonlinearities in silicon at telecom wavelengths,” Appl. Phys. Lett.82(18), 2954–2956 (2003).

[CrossRef]

R. A. Ganeev, A. I. Ryasnyansky, M. Baba, M. Suzuki, N. Ishizawa, M. Turu, S. Sakakibara, and H. Kuroda, “Nonlinear refraction in CS2,” Appl. Phys. B78(3–4), 433–438 (2004).

[CrossRef]

M. Sheik-Bahae, A. A. Said, T.-H. Wei, D. J. Hagan, and E. W. Van Stryland, “Sensitive measurement of optical nonlinearities using a single beam,” IEEE J. Quantum Electron.26(4), 760–769 (1990).

[CrossRef]

R. A. Ganeev, A. I. Ryasnyansky, M. Baba, M. Suzuki, N. Ishizawa, M. Turu, S. Sakakibara, and H. Kuroda, “Nonlinear refraction in CS2,” Appl. Phys. B78(3–4), 433–438 (2004).

[CrossRef]

M. Chattopadhyay, P. Kumbhakar, R. Sarkar, and A. K. Mitra, “Enhanced three-photon absorption and nonlinear refraction in ZnS and Mn 2+ doped ZnS quantum dots,” Appl. Phys. Lett.95(16), 163115 (2009).

[CrossRef]

G. I. Stegeman, E. M. Wright, N. Finlayson, R. Zanoni, and C. T. Seaton, “Third order nonlinear integrated optics,” J. Lightwave Technol.6(6), 953–970 (1988).

[CrossRef]

M. Sheik-Bahae, A. A. Said, T.-H. Wei, D. J. Hagan, and E. W. Van Stryland, “Sensitive measurement of optical nonlinearities using a single beam,” IEEE J. Quantum Electron.26(4), 760–769 (1990).

[CrossRef]

J. A. Sobota, S. Yang, J. G. Analytis, Y. L. Chen, I. R. Fisher, P. S. Kirchmann, and Z. X. Shen, “Ultrafast optical excitation of a persistent surface-state population in the topological insulator Bi2Se3.,” Phys. Rev. Lett.108(11), 117403 (2012).

[CrossRef]
[PubMed]

Q. L. Bao, H. Zhang, Y. Wang, Z. Ni, Y. Yan, Z. X. Shen, K. P. Loh, and D. Y. Tang, “Atomic-Layer Graphene as a Saturable Absorber for Ultrafast Pulsed Lasers,” Adv. Funct. Mater.19(19), 3077–3083 (2009).

[CrossRef]

J. A. Sobota, S. Yang, J. G. Analytis, Y. L. Chen, I. R. Fisher, P. S. Kirchmann, and Z. X. Shen, “Ultrafast optical excitation of a persistent surface-state population in the topological insulator Bi2Se3.,” Phys. Rev. Lett.108(11), 117403 (2012).

[CrossRef]
[PubMed]

Y. W. Song, S. Y. Jang, W. S. Han, and M. K. Bae, “Graphene mode-lockers for fiber lasers functioned with evanescent field interaction,” Appl. Phys. Lett.96(5), 051122 (2010).

[CrossRef]

J. Zhang, Z. P. Peng, A. Soni, Y. Y. Zhao, Y. Xiong, B. Peng, J. B. Wang, M. S. Dresselhaus, and Q. H. Xiong, “Raman spectroscopy of few-quintuple layer topological insulator Bi2Se3 nanoplatelets,” Nano Lett.11(6), 2407–2414 (2011).

[CrossRef]
[PubMed]

G. I. Stegeman, E. M. Wright, N. Finlayson, R. Zanoni, and C. T. Seaton, “Third order nonlinear integrated optics,” J. Lightwave Technol.6(6), 953–970 (1988).

[CrossRef]

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene Mode-Locked Ultrafast Laser,” ACS Nano4(2), 803–810 (2010).

[CrossRef]
[PubMed]

F. Bonaccorso, Z. Sun, T. Hasan, and A. C. Ferrari, “Graphene photonics and optoelectronics,” Nat. Photonics4(9), 611–622 (2010).

[CrossRef]

R. A. Ganeev, A. I. Ryasnyansky, M. Baba, M. Suzuki, N. Ishizawa, M. Turu, S. Sakakibara, and H. Kuroda, “Nonlinear refraction in CS2,” Appl. Phys. B78(3–4), 433–438 (2004).

[CrossRef]

M. Hajlaoui, E. Papalazarou, J. Mauchain, G. Lantz, N. Moisan, D. Boschetto, Z. Jiang, I. Miotkowski, Y. P. Chen, A. Taleb-Ibrahimi, L. Perfetti, and M. Marsi, “Ultrafast surface carrier dynamics in the topological insulator Bi2Te3,” Nano Lett.12(7), 3532–3536 (2012).

[CrossRef]
[PubMed]

C. Zhao, Y. Zou, Y. Chen, Z. Wang, S. Lu, H. Zhang, S. Wen, and D. Tang, “Wavelength-tunable picosecond soliton fiber laser with Topological Insulator: Bi2Se3 as a mode locker,” Opt. Express20(25), 27888–27895 (2012).

[CrossRef]

C. Zhao and H. Zhang, X. QiY. Chen, Z. Wang, S. Wen, and D. Tang, “Ultra-short pulse generation by a topological insulator based saturable absorber,” Appl. Phys. Lett.101(21), 211106 (2012).

H. Zhang, D. Y. Tang, L. M. Zhao, Q. L. Bao, and K. P. Loh, “Large energy mode locking of an erbium-doped fiber laser with atomic layer graphene,” Opt. Express17(20), 17630–17635 (2009).

[CrossRef]
[PubMed]

Q. L. Bao, H. Zhang, Y. Wang, Z. Ni, Y. Yan, Z. X. Shen, K. P. Loh, and D. Y. Tang, “Atomic-Layer Graphene as a Saturable Absorber for Ultrafast Pulsed Lasers,” Adv. Funct. Mater.19(19), 3077–3083 (2009).

[CrossRef]

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene Mode-Locked Ultrafast Laser,” ACS Nano4(2), 803–810 (2010).

[CrossRef]
[PubMed]

R. A. Ganeev, A. I. Ryasnyansky, M. Baba, M. Suzuki, N. Ishizawa, M. Turu, S. Sakakibara, and H. Kuroda, “Nonlinear refraction in CS2,” Appl. Phys. B78(3–4), 433–438 (2004).

[CrossRef]

M. Sheik-Bahae, A. A. Said, T.-H. Wei, D. J. Hagan, and E. W. Van Stryland, “Sensitive measurement of optical nonlinearities using a single beam,” IEEE J. Quantum Electron.26(4), 760–769 (1990).

[CrossRef]

I. Moreels, Z. Hens, P. Kockaert, J. Loicq, and D. Van Thourhout, “Spectroscopy of the nonlinear refractive index of colloidal PbSe nanocrystals,” Appl. Phys. Lett.89(19), 193106 (2006).

[CrossRef]

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene Mode-Locked Ultrafast Laser,” ACS Nano4(2), 803–810 (2010).

[CrossRef]
[PubMed]

J. Zhang, Z. P. Peng, A. Soni, Y. Y. Zhao, Y. Xiong, B. Peng, J. B. Wang, M. S. Dresselhaus, and Q. H. Xiong, “Raman spectroscopy of few-quintuple layer topological insulator Bi2Se3 nanoplatelets,” Nano Lett.11(6), 2407–2414 (2011).

[CrossRef]
[PubMed]

Q. L. Bao, H. Zhang, Y. Wang, Z. Ni, Y. Yan, Z. X. Shen, K. P. Loh, and D. Y. Tang, “Atomic-Layer Graphene as a Saturable Absorber for Ultrafast Pulsed Lasers,” Adv. Funct. Mater.19(19), 3077–3083 (2009).

[CrossRef]

C. Zhao and H. Zhang, X. QiY. Chen, Z. Wang, S. Wen, and D. Tang, “Ultra-short pulse generation by a topological insulator based saturable absorber,” Appl. Phys. Lett.101(21), 211106 (2012).

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