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Employing nonlinear polarization rotation, an all-normal-dispersion mode-locked fiber ring laser was constructed, in which a fiber filter with 10 nm bandwidth was used in the cavity to provide the additional self-amplitude modulation. The important role of the filter position plays in the high-chirped pulse shaping in the laser has been experimentally demonstrated by choosing different locations of the filter in the cavity. A mode-locked pulse series, with the averaged power of 922 mW, output pulse duration of 62 ps, and pulse repetition frequency of 266 MHz, corresponding to the pulse energy of 35 nJ, was obtained in the optimized filter position under a pump power of 320 mW. By the numerical simulation, the propagation dynamics of pulses in the three cases of spectral filter (SF) position in the cavity are obtained and analyzed. The optimal location of the SF is found, which is in agreement with our experimental result.
[1] ［1］Huang X J, Liu Y Z, Sui Z，Li M Z, Li X, Lin H H, Wang J J 2006 Acta Phys. Sin. 55 1191 (in Chinese) ［黄绣江、刘永智、隋展、李明中、李忻、林宏奂、王建军 2006 55 1191］
[2] ［2］Fu S G, Fan W D, Zhang Q, Wang Z, Li L J, Zhang C S, Yuan S Z, Dong X Y 2004 Acta Phys. Sin. 53 4262 (in Chinese) ［付圣贵、范万德、张强、王志、李丽君、张春书、袁树忠、董孝义 2004 53 4262］
[3] ［3］Wang Y G, Ma X Y, Fu S G, Fan W D, Li Q, Yuan S Z, Dong X Y, Song Y R, Zhang Z G 2004 Acta Phys. Sin. 53 1810 (in Chinese) ［王勇刚、马骁宇、付圣贵、范万德、李强、袁树忠、董孝义、宋晏蓉、张志刚 2004 53 1810］
[4] ［4］Tamura K, Nelson L E, Haus H A, Ippen E P 1993 Appl. Phys. Lett. 64 149
[5] ［5］Cautaerts V, Richardson D J, Paschotta R, Hanna D C 1997 Opt. Lett. 22 316
[6] ［6］Ortac B, Hideur A, Chartier T, Brunel M, zkul C 2003 Opt. Lett. 28 1305
[7] ［7］Ilday F , Buckley J R, Kuznetsova L, Wise F W 2003 Opt. Express 11 3550
[8] ［8］Buckley J R, Wise F W, Ilday F , Sosnowski T 2005 Opt. Lett. 30 1888
[9] ［9］Ortac B, Pltner M, Schreiber T, Limpert J, Tünnermann A 2007 Opt. Express 15 15595
[10] ］An J, Kim D, Dawson J W, Messerly M J, Barty C P J 2007 Opt. Lett. 32 2010
[11] ］Chong A, Buckley J, Renninger W H, Wise F W 2006 Opt. Express 14 10095
[12] ］Buckley J, Chong A, Zhou S, Renninger W, Wise F W 2007 J. Opt. Soc. Am. B 24 1803
[13] ］Chong A, Renninger W H, Wise F W 2007 Opt. Lett. 32 2408
[14] ］Kieu K, Renninger W H, Chong A, Wise F W 2009 Opt. Lett. 34 593
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[1] ［1］Huang X J, Liu Y Z, Sui Z，Li M Z, Li X, Lin H H, Wang J J 2006 Acta Phys. Sin. 55 1191 (in Chinese) ［黄绣江、刘永智、隋展、李明中、李忻、林宏奂、王建军 2006 55 1191］
[2] ［2］Fu S G, Fan W D, Zhang Q, Wang Z, Li L J, Zhang C S, Yuan S Z, Dong X Y 2004 Acta Phys. Sin. 53 4262 (in Chinese) ［付圣贵、范万德、张强、王志、李丽君、张春书、袁树忠、董孝义 2004 53 4262］
[3] ［3］Wang Y G, Ma X Y, Fu S G, Fan W D, Li Q, Yuan S Z, Dong X Y, Song Y R, Zhang Z G 2004 Acta Phys. Sin. 53 1810 (in Chinese) ［王勇刚、马骁宇、付圣贵、范万德、李强、袁树忠、董孝义、宋晏蓉、张志刚 2004 53 1810］
[4] ［4］Tamura K, Nelson L E, Haus H A, Ippen E P 1993 Appl. Phys. Lett. 64 149
[5] ［5］Cautaerts V, Richardson D J, Paschotta R, Hanna D C 1997 Opt. Lett. 22 316
[6] ［6］Ortac B, Hideur A, Chartier T, Brunel M, zkul C 2003 Opt. Lett. 28 1305
[7] ［7］Ilday F , Buckley J R, Kuznetsova L, Wise F W 2003 Opt. Express 11 3550
[8] ［8］Buckley J R, Wise F W, Ilday F , Sosnowski T 2005 Opt. Lett. 30 1888
[9] ［9］Ortac B, Pltner M, Schreiber T, Limpert J, Tünnermann A 2007 Opt. Express 15 15595
[10] ］An J, Kim D, Dawson J W, Messerly M J, Barty C P J 2007 Opt. Lett. 32 2010
[11] ］Chong A, Buckley J, Renninger W H, Wise F W 2006 Opt. Express 14 10095
[12] ］Buckley J, Chong A, Zhou S, Renninger W, Wise F W 2007 J. Opt. Soc. Am. B 24 1803
[13] ］Chong A, Renninger W H, Wise F W 2007 Opt. Lett. 32 2408
[14] ］Kieu K, Renninger W H, Chong A, Wise F W 2009 Opt. Lett. 34 593
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