Abstract

We propose a set of guidelines for the practical design of lensed fiber for the optical coupling of semiconductor lasers in butterfly packages using laser welding. These guidelines have optimized the tradeoff between coupling efficiency and alignment tolerance. Moreover, a radius of curvature of 11 $\mu$m is shown to be optimal for semiconductor lasers whose divergence angles range from 5$^{\circ}$ to 30$^{\circ}$. To experimentally evaluate the design, lensed fibers were assembled by a Nd:YAG laser welding technique in conventional butterfly packages and their coupling efficiencies were 28%–72% without horizontal misalignment compensation.

© 2009 IEEE

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  1. M. Saruwarari, K. Nawata, "Semiconductor laser to single-mode fiber coupler," Appl. Opt. 18, 1847-1856 (1979).
  2. W. B. Joyce, B. C. DeLoach, "Alignment of Gaussian beams," Appl. Opt. 23, 4187-4196 (1984).
  3. S. Jang, "Packaging of photonic devices using laser welding," SPIE 2610, 138-149 (1996).
  4. Y. Lin, W. Liu, F. G. Shi, "Laser welding induced alignment distortion in butterfly laser module packages: Effect of welding sequence," IEEE Trans. Adv. Packag. 25, 73-78 (2002).
  5. Y. Lin, C. Eichele, F. G. Shi, "Effect of welding sequence on welding-induced-alignment-distortion in packaging of butterfly laser diode modules: Simulation and experiment," J. Lightw. Technol. 23, 615-623 (2005).
  6. S. Jang, (2008) Ficontec Corporation, Mission Viejo, CA, private communication at ECTC 2008.
  7. Y.-C. Hsu, J.-H. Kuang, Y.-C. Tsai, W.-H. Cheng, "Investigation and comparison of post weld-shift compensation technique in TO-can- and butterfly-type laser-welded laser module packages," IEEE J. Sel. Topics Quantum Electron. 12, 961-969 (2006).
  8. J.-H. Kuang, T.-P. Hung, "Laser hammering technique in butterfly laser diode module," Proc. 9th Electron. Packag. Technol. Conf. (2007) pp. 874-881.
  9. C. A. Edwards, H. M. Presby, C. Dragone, "Ideal microlenses for laser to fiber coupling," J. Lightw. Technol. 11, 252-257 (1993).
  10. K. S. Lee, F. S. Barnes, "Microlenses on the end of single-mode optical fibers for laser applications," Appl. Opt. 24, 3134-3139 (1985).
  11. L. A. Wang, C. D. Su, "Tolerance analysis of aligning an astigmatic laser diode with a single-mode optical fiber," J. Lightw. Technol. 14, 2757-2762 (1996).
  12. J. H. Song, K. S. Lee, Y. Oh, "Triple wavelength demultiplexers for low-cost optical triplexer transceivers," J. Lightw. Technol. 25, 350-358 (2007).
  13. E. Hecht, Optics (Addison-Wesley, 1998).
  14. M. Griot, http://www.mellesgriot.com/pdf/CatalogX/X_05_11-12.pdf.
  15. Y.-T. Tseng, H.-C. Sung, "A novel inspection of fiber post-weld-shift in butterfly laser module packaging," IEEE Trans. Adv. Packag. 28, 713-719 (2005).

2007 (1)

J. H. Song, K. S. Lee, Y. Oh, "Triple wavelength demultiplexers for low-cost optical triplexer transceivers," J. Lightw. Technol. 25, 350-358 (2007).

2006 (1)

Y.-C. Hsu, J.-H. Kuang, Y.-C. Tsai, W.-H. Cheng, "Investigation and comparison of post weld-shift compensation technique in TO-can- and butterfly-type laser-welded laser module packages," IEEE J. Sel. Topics Quantum Electron. 12, 961-969 (2006).

2005 (2)

Y.-T. Tseng, H.-C. Sung, "A novel inspection of fiber post-weld-shift in butterfly laser module packaging," IEEE Trans. Adv. Packag. 28, 713-719 (2005).

Y. Lin, C. Eichele, F. G. Shi, "Effect of welding sequence on welding-induced-alignment-distortion in packaging of butterfly laser diode modules: Simulation and experiment," J. Lightw. Technol. 23, 615-623 (2005).

2002 (1)

Y. Lin, W. Liu, F. G. Shi, "Laser welding induced alignment distortion in butterfly laser module packages: Effect of welding sequence," IEEE Trans. Adv. Packag. 25, 73-78 (2002).

1996 (2)

S. Jang, "Packaging of photonic devices using laser welding," SPIE 2610, 138-149 (1996).

L. A. Wang, C. D. Su, "Tolerance analysis of aligning an astigmatic laser diode with a single-mode optical fiber," J. Lightw. Technol. 14, 2757-2762 (1996).

1993 (1)

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

1985 (1)

K. S. Lee, F. S. Barnes, "Microlenses on the end of single-mode optical fibers for laser applications," Appl. Opt. 24, 3134-3139 (1985).

1984 (1)

1979 (1)

Appl. Opt. (1)

K. S. Lee, F. S. Barnes, "Microlenses on the end of single-mode optical fibers for laser applications," Appl. Opt. 24, 3134-3139 (1985).

Appl. Opt. (2)

IEEE Trans. Adv. Packag. (2)

Y.-T. Tseng, H.-C. Sung, "A novel inspection of fiber post-weld-shift in butterfly laser module packaging," IEEE Trans. Adv. Packag. 28, 713-719 (2005).

Y. Lin, W. Liu, F. G. Shi, "Laser welding induced alignment distortion in butterfly laser module packages: Effect of welding sequence," IEEE Trans. Adv. Packag. 25, 73-78 (2002).

IEEE J. Sel. Topics Quantum Electron. (1)

Y.-C. Hsu, J.-H. Kuang, Y.-C. Tsai, W.-H. Cheng, "Investigation and comparison of post weld-shift compensation technique in TO-can- and butterfly-type laser-welded laser module packages," IEEE J. Sel. Topics Quantum Electron. 12, 961-969 (2006).

J. Lightw. Technol. (1)

L. A. Wang, C. D. Su, "Tolerance analysis of aligning an astigmatic laser diode with a single-mode optical fiber," J. Lightw. Technol. 14, 2757-2762 (1996).

J. Lightw. Technol. (1)

J. H. Song, K. S. Lee, Y. Oh, "Triple wavelength demultiplexers for low-cost optical triplexer transceivers," J. Lightw. Technol. 25, 350-358 (2007).

J. Lightw. Technol. (2)

Y. Lin, C. Eichele, F. G. Shi, "Effect of welding sequence on welding-induced-alignment-distortion in packaging of butterfly laser diode modules: Simulation and experiment," J. Lightw. Technol. 23, 615-623 (2005).

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

SPIE (1)

S. Jang, "Packaging of photonic devices using laser welding," SPIE 2610, 138-149 (1996).

Other (4)

S. Jang, (2008) Ficontec Corporation, Mission Viejo, CA, private communication at ECTC 2008.

J.-H. Kuang, T.-P. Hung, "Laser hammering technique in butterfly laser diode module," Proc. 9th Electron. Packag. Technol. Conf. (2007) pp. 874-881.

E. Hecht, Optics (Addison-Wesley, 1998).

M. Griot, http://www.mellesgriot.com/pdf/CatalogX/X_05_11-12.pdf.

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