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A mode locked fiber laser based on Yb-doped large mode area photonic crystal fiber operating in the all-normal dispersion regime is experimentally studied. The eighteen cores of the gain fiber are arranged in array-type geometry with an equivalent mode diameter of about 52 μm. A sigma laser cavity is used without using any elements for dispersion compensation. Reliable self-starting mode-locking is achieved using a fast semiconductor saturable absorber mirror. The laser directly produces 4.92 ps chirped pulses at a 44.68 MHz repetition rate for an average power of 3.3 W corresponding to a pulse energy of 74 nJ. The pulses are compressed to 780 fs with a grating pair outside the cavity.
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Keywords:
- photonic crystal fiber /
- multi-core /
- fiber laser /
- all-normal dispersion
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[2] Marchese S V, Baer C R, Engqvist A G, Hashimoto S, Maas D J, Golling M, Südmeyer T, Keller U 2008 Opt. Express 16 6397
[3] Wagenblast P, Ell R, Morgner U, Grawert F, Krtner F X 2003 Opt. Lett. 28 1713
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[5] Song Y J, Hu M L, Liu B W, Chai L, Wang Q Y 2008 Acta Phys. Sin. 57 6425 (in Chinese) [宋有建、胡明列、刘博文、柴 路、王清月 2008 57 6425]
[6] Orta B, Baumgartl M, Limpert J, Tünnermann A 2009 Opt. Lett. 34 1585
[7] Vogel M M, Abdou-Ahmed M, Voss A, Graf T 2009 Opt. Lett. 34 2876
[8] Wrage M, Glas P, Fischer D, Leitner M, Vysotsky D V, Napartovich A P 2000 Opt. Lett. 25 1436
[9] Fang X H, Hu M L, Li Y F, Chai L, Wang C Y 2009 Acta Phys. Sin. 58 2495 (in Chinese) [方晓惠、胡明列、 栗岩锋、柴 路、王清月 2009 58 2495]
[10] Wrage M, Glas P, Leitner M 2001 Opt. Lett. 26 980
[11] Orta B, Limpert J, Jetschke S, Unger S, Reichel V, Kirchhof J, Tunnermann A 2010 Appl. Phys. B 98 27
[12] Cheo P K, King G G, Huo Y M 2004 Conference on Fiber Lasers San Jose, CA 24—29 Jounary 2004 p106
[13] Michaille L, Taylor D M, Bennett C R, Shepherd T J, Ward B G 2008 Opt. Lett. 33 71
[14] Fang X H, Hu M L, Liu B W, Chai L, Wang C Y, Zheltikov A M 2010 Opt. Lett. 35 2326
[15] Michaille L, Bennett C R, Taylor D M, Shepherd T J 2009 IEEE J. Sel. Top Quantum Electron. 15 328
[16] Huo Y M, Cheo P K, King G G 2004 Opt. Express 12 6230
[17] Zhou P, Wang X L, Ma Y X, Ma H T, Xu X J, Liu Z J 2009 Chin. Phys. Lett. 26 146
[18] Fang X H, Hu M L, Li Y F, Chai L, Wang C Y 2010 Chin. Sci. Bull. 55 1864
[19] Liu X M 2009 Opt. Express 17 9549
[20] Wang L R, Liu X M, Gong Y K, Hu X H, Wang Y S, Lu K Q 2009 Acta Phys. Sin. 58 4664 (in Chinese) [王擂然、刘雪明、宫永康、胡晓鸿、王屹山、卢克清 2009 58 4664]
[21] Michaille L, Bennett C R, Taylor D M, Shepherd T J, Broeng J, Simonsen H R, Petersson A 2005 Opt. Lett. 30 1668
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[1] Spence D E, Kean P N, Sibbett W 1991 Opt. Lett. 16 42
[2] Marchese S V, Baer C R, Engqvist A G, Hashimoto S, Maas D J, Golling M, Südmeyer T, Keller U 2008 Opt. Express 16 6397
[3] Wagenblast P, Ell R, Morgner U, Grawert F, Krtner F X 2003 Opt. Lett. 28 1713
[4] Furusawa K, Malinowski A, Price J, Monro T, Sahu J, Nilsson J, Richardson D 2001 Opt. Express 9 714
[5] Song Y J, Hu M L, Liu B W, Chai L, Wang Q Y 2008 Acta Phys. Sin. 57 6425 (in Chinese) [宋有建、胡明列、刘博文、柴 路、王清月 2008 57 6425]
[6] Orta B, Baumgartl M, Limpert J, Tünnermann A 2009 Opt. Lett. 34 1585
[7] Vogel M M, Abdou-Ahmed M, Voss A, Graf T 2009 Opt. Lett. 34 2876
[8] Wrage M, Glas P, Fischer D, Leitner M, Vysotsky D V, Napartovich A P 2000 Opt. Lett. 25 1436
[9] Fang X H, Hu M L, Li Y F, Chai L, Wang C Y 2009 Acta Phys. Sin. 58 2495 (in Chinese) [方晓惠、胡明列、 栗岩锋、柴 路、王清月 2009 58 2495]
[10] Wrage M, Glas P, Leitner M 2001 Opt. Lett. 26 980
[11] Orta B, Limpert J, Jetschke S, Unger S, Reichel V, Kirchhof J, Tunnermann A 2010 Appl. Phys. B 98 27
[12] Cheo P K, King G G, Huo Y M 2004 Conference on Fiber Lasers San Jose, CA 24—29 Jounary 2004 p106
[13] Michaille L, Taylor D M, Bennett C R, Shepherd T J, Ward B G 2008 Opt. Lett. 33 71
[14] Fang X H, Hu M L, Liu B W, Chai L, Wang C Y, Zheltikov A M 2010 Opt. Lett. 35 2326
[15] Michaille L, Bennett C R, Taylor D M, Shepherd T J 2009 IEEE J. Sel. Top Quantum Electron. 15 328
[16] Huo Y M, Cheo P K, King G G 2004 Opt. Express 12 6230
[17] Zhou P, Wang X L, Ma Y X, Ma H T, Xu X J, Liu Z J 2009 Chin. Phys. Lett. 26 146
[18] Fang X H, Hu M L, Li Y F, Chai L, Wang C Y 2010 Chin. Sci. Bull. 55 1864
[19] Liu X M 2009 Opt. Express 17 9549
[20] Wang L R, Liu X M, Gong Y K, Hu X H, Wang Y S, Lu K Q 2009 Acta Phys. Sin. 58 4664 (in Chinese) [王擂然、刘雪明、宫永康、胡晓鸿、王屹山、卢克清 2009 58 4664]
[21] Michaille L, Bennett C R, Taylor D M, Shepherd T J, Broeng J, Simonsen H R, Petersson A 2005 Opt. Lett. 30 1668
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