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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 45, Iss. 36 — Dec. 20, 2006
  • pp: 9168–9175

Low-loss passive alignment of single-mode fibers in low-temperature cofired ceramics using CO2 laser fabricated U-grooves

K. M. Nowak, H. J. Baker, D. R. Hall, X. Liu, and A. Bell  »View Author Affiliations

Applied Optics, Vol. 45, Issue 36, pp. 9168-9175 (2006)

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We report a step toward optoelectronic integration on low-temperature cofired ceramics substrates in the form of fiber alignment U-grooves. The precision of the CO 2 laser machining of green state ceramic for this purpose is investigated. The groove-writing process with a speed of 1   mm / s was carried out in air at room temperature and ambient pressure. The process is to a large extent self-cleaning without any gas jet assist. By analysis of groove profiles after firing of a near-zero shrinkage green tape formulation, it is shown that the cutting accuracy is approximately 2   μm , which is at the fundamental limit set by the particle size ( 1 5 μ m ) . We demonstrate low-loss butt coupling of < 1   dB for single-mode fibers using the laser written U-grooves. The technique exhibits a potential for fabrication of low-cost fiber ribbon and fiber array connectors.

© 2006 Optical Society of America

OCIS Codes
(060.2390) Fiber optics and optical communications : Fiber optics, infrared
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(140.3390) Lasers and laser optics : Laser materials processing
(140.3470) Lasers and laser optics : Lasers, carbon dioxide
(220.1140) Optical design and fabrication : Alignment
(220.4000) Optical design and fabrication : Microstructure fabrication

Original Manuscript: July 17, 2006
Manuscript Accepted: August 18, 2006

K. M. Nowak, H. J. Baker, D. R. Hall, X. Liu, and A. Bell, "Low-loss passive alignment of single-mode fibers in low-temperature cofired ceramics using CO2 laser fabricated U-grooves," Appl. Opt. 45, 9168-9175 (2006)

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  1. M. R. Gongora-Rubio, P. Espinoza-Vallejos, L. Sola-Laguna, and J. J. Santiago-Aviles, "Overview of low temperature cofired ceramics tape technology for mesosystem technology (MsST)," Sens. Actuators , A 89, 222-241 (2001). [CrossRef]
  2. S. J. Horowitz and D. I. Amey, "Ceramics meet next-generation fiber optic packaging requirements," Photonics Spectra 35, 123-125 (2001).
  3. T. Thelemann, H. Thust, and M. Hintz, "Using LTCC for microsystems," Microelectron. Int. 19, 19-23 (2002). [CrossRef]
  4. J. Heilala, K. Keranen, J.-T. Makinen, O. Vaatainen, K. Kautio, P. Voho, and P. Karioja, "LTCC technology for cost-effective packaging of photonic modules," Assem. Autom. 25, 30-37 (2005). [CrossRef]
  5. K. M. Nowak, H. J. Baker, and D. R. Hall, "Cold processing of green state LTCC with a CO2 laser," Appl. Phys. A 84, 267-270 (2006). [CrossRef]
  6. K. M. Nowak, H. J. Baker, and D. R. Hall, "Pulsed-laser machining and polishing of silica micro-optical components using a CO2 laser and an acousto-optic modulator," in Proc. SPIE 4941, 107-112 (2002). [CrossRef]
  7. J. F. Monjardin, K. M. Nowak, H. J. Baker, and D. R. Hall, "Correction of beam errors in high power diode bars and stacks," Opt. Express 14, 8178-8183 (2006). [CrossRef] [PubMed]
  8. K. M. Nowak, H. J. Baker, and D. R. Hall, "Efficient laser polishing of silica micro-optic components," Appl. Opt. 45, 162-171 (2006). [CrossRef] [PubMed]
  9. H. F. Wolf, Handbook of Fiber Optics: Theory and Applications (Garland Publishing, 1979), pp. 252-265.
  10. M. R. Matthews, B. M. MacDonald, and K. R. Preston, "Optical components-the new challenge in packaging," IEEE Trans. Compon. , Hybrids, Manuf. Technol. 13, 798-806 (1990).
  11. S. Q. Ou, G. Xu, Y. H. Xu, and K. N. Tu, "Optical fiber packaging by lead (Pb)-free solder in V-grooves," Ceram. Int. 30, 1115-1119 (2004). [CrossRef]
  12. C. W. Tan, Y. C. Chan, H. P. Chan, N. W. Leung, and C. K. So, "Investigation on bondability and reliability of UV-curable adhesive joints for stable mechanical properties in photonic device packaging," Microelectron. Reliab. 44, 823-831 (2004). [CrossRef]
  13. W. H. Cheng, M. T. Sheen, C. P. Chien, H. L. Chang, and J. H. Kuang, "Reduction of fiber alignment shifts in semiconductor laser module packaging," J. Lightwave Technol. 18, 842-848 (2000). [CrossRef]
  14. G. J. Shevchuk and M. A. Shahid, "Precision moulding of fibre array connectors: What does it take?" Eng. Plast. 9, 116-125 (1996).
  15. J. H. Lee, S. R. Park, S. H. Yang, and Y. S. Kim, "Fabrication of a V groove on the optical fiber connector using a miniaturized machine tool," J. Mater. Process. Technol. 155-156, 1716-1722 (2004). [CrossRef]
  16. J. Holm, H. Ahlfeldt, M. Svensson, and C. Vieider, "Through-etched silicon carriers for passive alignment of optical fibers to surface-active optoelectronic components," Sens. Actuators , A 82, 245-248 (2000). [CrossRef]
  17. S. H. Kravitz, J. C. Word, T. M. Bauer, P. K. Seigal, and M. G. Armendariz, "A passive micromachined device for alignment of arrays of single-mode fibers for hermetic photonic packaging- The CLASP concept," IEEE Trans. Compon. , Packag. Manuf. Technol. Part B 19, 83-89 (1996).

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