Abstract

A new scheme of hyperboloid microlens (HM) employing automatic grinding and precise fusing techniques to achieve high-average and high-yield coupling efficiency from high-power 980-nm lasers into single mode fibers is proposed and demonstrated. The fiber endface of the HM exhibited a double-variable curvature in the major and minor axes that was characterized as a hyperboloid. By selecting half transverse length of the hyperbola and using fusing process to precise and quantitative controlling the required minor radius of curvature within 2.4–2.8 µm and offset within 0.8 µm, the HMs exhibited a high-average coupling efficiency of 83%. For fabricated high-coupling HMs, the result was also found that the tolerance of minor radius of curvature decreased as the offset increased. This study demonstrates that the proposed HMs through both automatic grinding and precise fusing techniques can achieve high-average and high-yield coupling efficiency better than any other grinding techniques to form asymmetric microlenses for utilizing in many low-cost lightwave interconnection applications.

© 2013 IEEE

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  1. V. S. Shah, L. Curtis, R. S. Vodhanel, D. P. Bour, W. C. Yang, "Efficient power coupling from a 980-nm, broad-area laser to a single-mode fiber using a wedge-shaped fiber endface," J. Lightw. Technol 8, 1313-1318 (1990).
  2. H. M. Presby, C. R. Giles, "Asymmetric fiber microlenses for efficient coupling to elliptical laser beams," IEEE Photon. Technol. Lett. 5, 184-186 (1993).
  3. C. A. Edwards, H. M. Presby, C. Dragone, "Ideal microlens for laser to fiber coupling," J. Lightw. Technol. 11, 252-257 (1993).
  4. R. A. Modavis, T. W. Webb, "Anamorphic microlens for laser diode to single-mode fiber coupling," IEEE Photon. Technol. Lett. 7, 798-800 (1995).
  5. H. Yoda, K. Shiraishi, "A new scheme of lensed fiber employing a wedge-shaped graded-index fiber tip for the coupling between high-power laser diodes and single-mode fiber," J. Lightw. Technol. 19, 1910-1917 (2001).
  6. H. Yoda, K. Shiraishi, "Cascaded GI-fiber chips with a wedge-shaped end for the coupling between an SMF and a high-power LD with large astigmatism," J. Lightw. Technol. 20, 1545-1548 (2002).
  7. Y. Irie, J. Miyokawa, A. Mugino, T. Shimizu, "Over 200 mW 980 nm pump laser diode module using optimized high-coupling lensed fiber," Proc. Tech. Dig. OFC/IOOC'99 (1999) pp. 238-240.
  8. S. M. Yeh, Y. K. Lu, S. Y. Huang, H. H. Lin, C. H. Hsieh, W. H. Cheng, "A novel scheme of lensed fiber employing a quadrangular-pyramid-shaped fiber endface for coupling between high-power laser diodes and single-mode fibers," J. Lightw. Technol. 22, 1374-1379 (2004).
  9. S. M. Yeh, S. Y. Huang, W.-H. Cheng, "A new scheme of conical-wedge-shaped fiber endface for coupling between high-power laser diodes and single-mode fibers," J. Lightw. Technol. 23, 1781-1786 (2005).
  10. Y. K. Lu, Y. C. Tsai, Y. D. Liu, S. M. Yeh, C. C. Lin, W. H. Cheng, "Asymmetric elliptic-cone-shaped microlens for efficient coupling to high-power laser diodes," Opt. Exp. 15, 1434-1442 (2007).
  11. Y. D. Liu, Y. C. Tsai, L. J. Wang, Y. K. Lu, S. M. Yeh, W. H. Cheng, "A new scheme of aspherical microlense for efficient coupling high-power lasers to fibers," Proc. OFC (2011).
  12. Y. D. Liu, Y. K. Lu, Y. C. Tsai, S. M. Yeh, C. C. Lin, W. H. Cheng, "New scheme of double-variable-curvature microlens for efficient coupling high-power lasers to single-mode fibers," J. Lightw. Technol. 29, 898-904 (2011).
  13. MarboroughMAUSA (2006) Axcel Photonics.
  14. Corning Hi 980 Optical Fibers Data Sheets (2012)New York, NY, United States.
  15. L. Guo, R. S. Subramanian, "Mechanical removal in CMP copper using alumina abrasives," J. Electrochem. Soc. 151, 10.

2011 (1)

Y. D. Liu, Y. K. Lu, Y. C. Tsai, S. M. Yeh, C. C. Lin, W. H. Cheng, "New scheme of double-variable-curvature microlens for efficient coupling high-power lasers to single-mode fibers," J. Lightw. Technol. 29, 898-904 (2011).

2007 (1)

Y. K. Lu, Y. C. Tsai, Y. D. Liu, S. M. Yeh, C. C. Lin, W. H. Cheng, "Asymmetric elliptic-cone-shaped microlens for efficient coupling to high-power laser diodes," Opt. Exp. 15, 1434-1442 (2007).

2005 (1)

S. M. Yeh, S. Y. Huang, W.-H. Cheng, "A new scheme of conical-wedge-shaped fiber endface for coupling between high-power laser diodes and single-mode fibers," J. Lightw. Technol. 23, 1781-1786 (2005).

2004 (1)

S. M. Yeh, Y. K. Lu, S. Y. Huang, H. H. Lin, C. H. Hsieh, W. H. Cheng, "A novel scheme of lensed fiber employing a quadrangular-pyramid-shaped fiber endface for coupling between high-power laser diodes and single-mode fibers," J. Lightw. Technol. 22, 1374-1379 (2004).

2002 (1)

H. Yoda, K. Shiraishi, "Cascaded GI-fiber chips with a wedge-shaped end for the coupling between an SMF and a high-power LD with large astigmatism," J. Lightw. Technol. 20, 1545-1548 (2002).

2001 (1)

H. Yoda, K. Shiraishi, "A new scheme of lensed fiber employing a wedge-shaped graded-index fiber tip for the coupling between high-power laser diodes and single-mode fiber," J. Lightw. Technol. 19, 1910-1917 (2001).

1995 (1)

R. A. Modavis, T. W. Webb, "Anamorphic microlens for laser diode to single-mode fiber coupling," IEEE Photon. Technol. Lett. 7, 798-800 (1995).

1993 (2)

H. M. Presby, C. R. Giles, "Asymmetric fiber microlenses for efficient coupling to elliptical laser beams," IEEE Photon. Technol. Lett. 5, 184-186 (1993).

C. A. Edwards, H. M. Presby, C. Dragone, "Ideal microlens for laser to fiber coupling," J. Lightw. Technol. 11, 252-257 (1993).

1990 (1)

V. S. Shah, L. Curtis, R. S. Vodhanel, D. P. Bour, W. C. Yang, "Efficient power coupling from a 980-nm, broad-area laser to a single-mode fiber using a wedge-shaped fiber endface," J. Lightw. Technol 8, 1313-1318 (1990).

IEEE Photon. Technol. Lett. (2)

R. A. Modavis, T. W. Webb, "Anamorphic microlens for laser diode to single-mode fiber coupling," IEEE Photon. Technol. Lett. 7, 798-800 (1995).

H. M. Presby, C. R. Giles, "Asymmetric fiber microlenses for efficient coupling to elliptical laser beams," IEEE Photon. Technol. Lett. 5, 184-186 (1993).

J. Electrochem. Soc. (1)

L. Guo, R. S. Subramanian, "Mechanical removal in CMP copper using alumina abrasives," J. Electrochem. Soc. 151, 10.

J. Lightw. Technol (1)

V. S. Shah, L. Curtis, R. S. Vodhanel, D. P. Bour, W. C. Yang, "Efficient power coupling from a 980-nm, broad-area laser to a single-mode fiber using a wedge-shaped fiber endface," J. Lightw. Technol 8, 1313-1318 (1990).

J. Lightw. Technol. (6)

C. A. Edwards, H. M. Presby, C. Dragone, "Ideal microlens for laser to fiber coupling," J. Lightw. Technol. 11, 252-257 (1993).

Y. D. Liu, Y. K. Lu, Y. C. Tsai, S. M. Yeh, C. C. Lin, W. H. Cheng, "New scheme of double-variable-curvature microlens for efficient coupling high-power lasers to single-mode fibers," J. Lightw. Technol. 29, 898-904 (2011).

H. Yoda, K. Shiraishi, "A new scheme of lensed fiber employing a wedge-shaped graded-index fiber tip for the coupling between high-power laser diodes and single-mode fiber," J. Lightw. Technol. 19, 1910-1917 (2001).

H. Yoda, K. Shiraishi, "Cascaded GI-fiber chips with a wedge-shaped end for the coupling between an SMF and a high-power LD with large astigmatism," J. Lightw. Technol. 20, 1545-1548 (2002).

S. M. Yeh, Y. K. Lu, S. Y. Huang, H. H. Lin, C. H. Hsieh, W. H. Cheng, "A novel scheme of lensed fiber employing a quadrangular-pyramid-shaped fiber endface for coupling between high-power laser diodes and single-mode fibers," J. Lightw. Technol. 22, 1374-1379 (2004).

S. M. Yeh, S. Y. Huang, W.-H. Cheng, "A new scheme of conical-wedge-shaped fiber endface for coupling between high-power laser diodes and single-mode fibers," J. Lightw. Technol. 23, 1781-1786 (2005).

Opt. Exp. (1)

Y. K. Lu, Y. C. Tsai, Y. D. Liu, S. M. Yeh, C. C. Lin, W. H. Cheng, "Asymmetric elliptic-cone-shaped microlens for efficient coupling to high-power laser diodes," Opt. Exp. 15, 1434-1442 (2007).

Other (4)

Y. D. Liu, Y. C. Tsai, L. J. Wang, Y. K. Lu, S. M. Yeh, W. H. Cheng, "A new scheme of aspherical microlense for efficient coupling high-power lasers to fibers," Proc. OFC (2011).

Y. Irie, J. Miyokawa, A. Mugino, T. Shimizu, "Over 200 mW 980 nm pump laser diode module using optimized high-coupling lensed fiber," Proc. Tech. Dig. OFC/IOOC'99 (1999) pp. 238-240.

MarboroughMAUSA (2006) Axcel Photonics.

Corning Hi 980 Optical Fibers Data Sheets (2012)New York, NY, United States.

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