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In this paper, a novel method of improving coupling effiency of laser diode to single mode fiber based on synthesized lens with graduaed index fiber is provided. The output beam with large astigmatism from laser diode is shaped and focused via synthesized lens and graduaed index fiber, and then couplied into single mode fiber. Analysis using Jones matrix theory indicates that the power coupler effect of 86% is obtained from output port of the single mode fiber. The tolerances for fiber length of graduaed index fiber, radial offset and tilt degree are 60 m, 30 m and 2.4 degree respectivily for 1 dB insert loss. This method can be used for improving the quality of optical beam and increasing output power for laser diode to single mode fiber with a large output optical power.
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Keywords:
- astigmatism /
- synthesized lens /
- beam shaping /
- coupling
[1] Ogura A, Shiraishi K 2002 J. Light. Tech. 20 49
[2] Shiraishi K, Yoda H, Endo T 2004 IEEE Photo. Tech. Lett. 16 1104
[3] He Y Z, Shi F G 2006 Opt. Commun. 260 127
[4] Xiong D Y, Li Z F, Chen X S, Li N, Zhen H L, Lu W 2007 Acta Phys. Sin. 56 6648 (in Chinese) [熊大元, 李志锋, 陈效双, 李 宁, 甄红楼, 陆 卫 2007 物理学报 56 6648]
[5] Kishimoto R, Koyama M 1982 IEEE Trans. Microw. Theory Tech. 30 882
[6] Ogura A, Kuchiki S, Shiraishi K 2001 IEEE Photo. Tech. Lett. 13 1191
[7] Joyce W B, DeLoach B C 1984 Appl. Opt. 23 4187
[8] Saruwatari M, Sugie T 1981 IEEE J. Quantum. Elect. 17 1021
[9] Zhao G Y, Zhang Y X, Wang J Y, Jia J J 2010 Acta Phys. Sin. 59 1378 (in Chinese) [赵贵燕, 张逸新, 王建宇, 贾建军 2010 物理学报 59 1378]
[10] Jian X G, Wu F T 2008 Acta Phys. Sin. 57 4202 (in Chinese) [江新光, 吴逢铁 2008 物理学报 57 4202]
[11] Yeh S M, Huang S Y, Cheng W H 2005 J. Light. Tech. 23 1781
[12] Bludau W, Rossberg R 1985 J. Light. Tech. 3 294
[13] Yoda H, Shiraishi K 2001 J. Light. Tech. 19 1910
[14] Yoda H, Sakurai T, Ogura A, Shiraishi K 2001 Proceedings of European Conference on Optical Communication (ECOC '01) Amsterdam, the Netherlands, September 30-October 4, 2001 p418
[15] Kuwahara H, Sasaki M, Tokoyo N 1980 Appl. Opt. 19 2578
[16] Hillerich B, Guttmann J 1989 J. Light. Tech. 7 99
[17] Presby H M, Edwards C A 1992 IEEE Photo. Tech. Lett. 4 897
[18] Kotsas A, Shiraz H G, Maclean T S M 1991 Opt. Quantum. Elect. 23 367
[19] Yang H M, Huang S Y, Lee C W 2004 J. Light. Tech. 22 1395
[20] Modavis R A, Webb T W 1995 IEEE Photo. Tech. Lett. 7 798
[21] Li J L, Lü B D 2008 Acta Phys. Sin. 57 3006 (in Chinese) [李建龙, 吕百达 2008 物理学报 57 3006]
[22] Tang Z, Zhang R, Mondal S K 2001 Opt. Commun. 199 95
[23] Thual M, Chanclou P, Gauttreau O 2003 Elect. Lett. 39 1504
[24] Yeh S M, Lu Y K, Huang S Y 2004 J. Light. Tech. 22 1374
[25] Lin I E 2005 Precision Eng. 29 146
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[1] Ogura A, Shiraishi K 2002 J. Light. Tech. 20 49
[2] Shiraishi K, Yoda H, Endo T 2004 IEEE Photo. Tech. Lett. 16 1104
[3] He Y Z, Shi F G 2006 Opt. Commun. 260 127
[4] Xiong D Y, Li Z F, Chen X S, Li N, Zhen H L, Lu W 2007 Acta Phys. Sin. 56 6648 (in Chinese) [熊大元, 李志锋, 陈效双, 李 宁, 甄红楼, 陆 卫 2007 物理学报 56 6648]
[5] Kishimoto R, Koyama M 1982 IEEE Trans. Microw. Theory Tech. 30 882
[6] Ogura A, Kuchiki S, Shiraishi K 2001 IEEE Photo. Tech. Lett. 13 1191
[7] Joyce W B, DeLoach B C 1984 Appl. Opt. 23 4187
[8] Saruwatari M, Sugie T 1981 IEEE J. Quantum. Elect. 17 1021
[9] Zhao G Y, Zhang Y X, Wang J Y, Jia J J 2010 Acta Phys. Sin. 59 1378 (in Chinese) [赵贵燕, 张逸新, 王建宇, 贾建军 2010 物理学报 59 1378]
[10] Jian X G, Wu F T 2008 Acta Phys. Sin. 57 4202 (in Chinese) [江新光, 吴逢铁 2008 物理学报 57 4202]
[11] Yeh S M, Huang S Y, Cheng W H 2005 J. Light. Tech. 23 1781
[12] Bludau W, Rossberg R 1985 J. Light. Tech. 3 294
[13] Yoda H, Shiraishi K 2001 J. Light. Tech. 19 1910
[14] Yoda H, Sakurai T, Ogura A, Shiraishi K 2001 Proceedings of European Conference on Optical Communication (ECOC '01) Amsterdam, the Netherlands, September 30-October 4, 2001 p418
[15] Kuwahara H, Sasaki M, Tokoyo N 1980 Appl. Opt. 19 2578
[16] Hillerich B, Guttmann J 1989 J. Light. Tech. 7 99
[17] Presby H M, Edwards C A 1992 IEEE Photo. Tech. Lett. 4 897
[18] Kotsas A, Shiraz H G, Maclean T S M 1991 Opt. Quantum. Elect. 23 367
[19] Yang H M, Huang S Y, Lee C W 2004 J. Light. Tech. 22 1395
[20] Modavis R A, Webb T W 1995 IEEE Photo. Tech. Lett. 7 798
[21] Li J L, Lü B D 2008 Acta Phys. Sin. 57 3006 (in Chinese) [李建龙, 吕百达 2008 物理学报 57 3006]
[22] Tang Z, Zhang R, Mondal S K 2001 Opt. Commun. 199 95
[23] Thual M, Chanclou P, Gauttreau O 2003 Elect. Lett. 39 1504
[24] Yeh S M, Lu Y K, Huang S Y 2004 J. Light. Tech. 22 1374
[25] Lin I E 2005 Precision Eng. 29 146
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