'A' cited 'B'.



'A'

M. P. Fok, K. L. Lee, and C. Shu, "Electrically waveband-switchable multi-wavelength source constructed from a SOA-ring laser with a phase modulator loop mirror filter," The Ninth Optoelectronics and Communications Conference (OECC), July 2004, Yokohama, Japan, pp. 308-309.

(Authors' address:

The Chinese University of Hong Kong, Hong Kong, China)



'B'

Y. W. Lee, J. Jung, and B. Lee, "Multiwavelength-switchable SOA-fiber ring laser based on polarization-maintaining fiber loop mirror and polarization beam splitter," IEEE Photonics Technology Letters, vol. 16, no. 1, pp. 54-56, 2004.