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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 17, Iss. 1 — Jan. 1, 1999
  • pp: 7–

Free-Space Fiber-Optic Switches Based on MEMS Vertical Torsion Mirrors

Shi-Sheng Lee, Long-Sun Huang, Chang-Jin Kim, and Ming C. Wu

Journal of Lightwave Technology, Vol. 17, Issue 1, pp. 7- (1999)


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Abstract

This paper reports on the design, fabrication, and performance of a novel MEMS (micro-electro-mechanical-system) fiber-optic switch based on surface-micromachined vertical torsion mirrors. The vertical torsion mirror itself can be used as a 1\;\times\;2 or an ON-OFF switch. A 2\;\times\;2 MEMS fiber-optic switch with four vertical torsion mirrors has also been fabricated. The switching voltage is measured to be 80 V for switching angles of 45^irc. We have achieved a switching time of less than 400 \mus (fall time) and an optical insertion loss of 1.25 dB for single-mode fibers. In addition, a bulk-micromachined silicon submount has been developed to package the switch with microball lenses and multimode fibers with passive alignment. With the micromachined switch chip and the hybrid-packaging scheme, the size, weight, and potentially the cost of the fiber-optic switches can be dramatically reduced.

[IEEE ]

Citation
Shi-Sheng Lee, Long-Sun Huang, Chang-Jin Kim, and Ming C. Wu, "Free-Space Fiber-Optic Switches Based on MEMS Vertical Torsion Mirrors," J. Lightwave Technol. 17, 7- (1999)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-17-1-7


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References

  1. M. F. Dautartas, A. M. Benzoni, Y. C. Chen, and G. E. Blonder, "A silicon-based moving-mirror optical switch," J. Lightwave Technol., vol. 10, pp. 1078-1085, Aug. 1992.

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