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It is the inevitable trend of the development for the optical frequency comb based on the Ti: sapphire femtosecond laser to be replaced by that based on the Er: fiber femtosecond laser. The detection of the carrier-envelope offset f0 in the femtosecond laser is a key to the realization of an optical frequency comb. In this paper, the structure of the optical part of an Er: fiber optical frequency comb is introduced. The optical pulses from an Er: fiber femtosecond laser with a repetition of 230 MHz are first amplified with a two stage amplifiers, spectrally broadened in a highly nonlinear fiber, and then pass through a single-beam f—2f self-referencing interferometer. By optimizing the optical parameters, the f0 with a signal-to-noise ratio of 30 dB is obtained in the Er: fiber femtosecond laser, which is favorable for the realization of an Er: fiber frequency comb.
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Keywords:
- Er: fiber femtosecond laser /
- optical frequency metrology /
- fiber optical frequency comb /
- spectrum broadening
[1] Ranka J K, Windeler R S, Stentz A J 2000 Opt. Lett. 25 25
[2] Reichert J, Holzwarth R, Udem Th, Hänsch T W 1999 Opt. Commun. 172 59
[3] Udem Th, Holzwarth R, Hänsch T W 2002 Nature 416 233
[4] Ramond T M, Diddams S A, Hollberg L, Bartels A 2002 Opt. Lett. 27 1842
[5] Fortier T M, Bartels A, Diddams S A 2006 Opt. Lett. 31 1011
[6] Chen L J, Benedick A J, Birge J R, Sander M Y, Kärtner F 2008 Opt. Express 16 20699
[7] Adler F, Moutzouris K, Leitenstorfer A, Schnatz H, Lipphardt B, Grosche G, Tauser F 2004 Opt. Express 12 5872
[8] Peng J L, Ahn H, Shu R H, Chui H C, Nicholson J W 2007 Appl. Phys. B 86 49
[9] Tauser F, Leitenstorfer A, Zinth W 2003 Opt. Express 11 594
[10] Peng J L, Liu T A, Shu R H 2009 IEEE International 20 344
[11] Fang Z J, Wang Q, Wang M M, Meng F, Lin B K, Li T C 2007 Acta Phys. Sin. 56 5684 (in Chinese) [方占军、 王 强、 王民明、 孟 飞、 林百科、 李天初 2007 物理学报 56 5684]
[12] Han H N, Wei Z Y, Zhang J, Nie Y X 2005 Acta Phys. Sin. 54 155 (in Chinese) [韩海年、 魏志义、 张 军、 聂玉昕 2005 物理学报 54 155]
[13] Li J, Dai Y H, Zhang Z G 2008 Chin. Sci. Bull. 53 66 (in Chinese) [李 婧、 戴永恒、 张志刚 2008 科学通报 53 66]
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[1] Ranka J K, Windeler R S, Stentz A J 2000 Opt. Lett. 25 25
[2] Reichert J, Holzwarth R, Udem Th, Hänsch T W 1999 Opt. Commun. 172 59
[3] Udem Th, Holzwarth R, Hänsch T W 2002 Nature 416 233
[4] Ramond T M, Diddams S A, Hollberg L, Bartels A 2002 Opt. Lett. 27 1842
[5] Fortier T M, Bartels A, Diddams S A 2006 Opt. Lett. 31 1011
[6] Chen L J, Benedick A J, Birge J R, Sander M Y, Kärtner F 2008 Opt. Express 16 20699
[7] Adler F, Moutzouris K, Leitenstorfer A, Schnatz H, Lipphardt B, Grosche G, Tauser F 2004 Opt. Express 12 5872
[8] Peng J L, Ahn H, Shu R H, Chui H C, Nicholson J W 2007 Appl. Phys. B 86 49
[9] Tauser F, Leitenstorfer A, Zinth W 2003 Opt. Express 11 594
[10] Peng J L, Liu T A, Shu R H 2009 IEEE International 20 344
[11] Fang Z J, Wang Q, Wang M M, Meng F, Lin B K, Li T C 2007 Acta Phys. Sin. 56 5684 (in Chinese) [方占军、 王 强、 王民明、 孟 飞、 林百科、 李天初 2007 物理学报 56 5684]
[12] Han H N, Wei Z Y, Zhang J, Nie Y X 2005 Acta Phys. Sin. 54 155 (in Chinese) [韩海年、 魏志义、 张 军、 聂玉昕 2005 物理学报 54 155]
[13] Li J, Dai Y H, Zhang Z G 2008 Chin. Sci. Bull. 53 66 (in Chinese) [李 婧、 戴永恒、 张志刚 2008 科学通报 53 66]
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