1. [1] H. Shinohara, “Broadband Access in Japan: Rapidly growing FTTH market, ” IEEE Com. Mag., vol. 43, pp. 72-78, 2005.
2. [2] E. Sugita, R. Nagase, K. Kanayama, and T. Shintaku, “SC-type single-mode optical fiber connector, ”J. Lightw. Technol., vol. 7, no. 11, pp. 1689-1696, Nov. 1989.
3. [4] T. Nakajima, K. Terakawa, M. Toyonaga, and M. Kama, “Development of optical connector to achieve large-scale optical network construction, ” Proc. 55th IWCS/Focus, pp. 439-443, 2006.
4. [5] T. Shintaku, E. Sugita, and R. Nagase, “Highly stable physical-contact optical fiber connectors with spherical convex ends, ”J. Lightw. Technol., vol. 11, no. 2, pp. 241-243, Feb. 1993.