[OPTICAL REVIEW Vol. 4, No. 6 (1997) 666-669]
Wavelength-Division Multiplexing Switches Using Free-Space Optics
Hisakazu KURITA1 and Shigeru KAWAI2,*
1Optoelectronics NEC Laboratory, Real World Computing Partnership, 34, Miyukigaoka, Tsukuba, 305 Japan, 2Department of Electronics, University of Industrial Technology, 4-1-1, Hashimotodai, Sagamihara, 229-11 Japan
(Received January 27, 1997; Accepted August 25, 1997)
Optical crossbar switches were fabricated using multiwavelength vertical-cavity surface-emitting lasers and free-space microoptics. Four-channel optical switches with 10-nm wavelength intervals were successfully demonstrated.
Key words : optical interconnection, optical switch, free-space optics, wavelength-division multiplexing, vertical-cavity surface-emitting lasers, diffractive optics