We report on a 2x2 wavelength selective switch with 6.4dB insertion loss and >25dB extinction ratio. The folded Mach-Zehnder geometry, with a free-space grating and MEMS phase-shifters, enables fast independent control of multiple spectral regions.
© 2005 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(230.0230) Optical devices : Optical devices
(230.3990) Optical devices : Micro-optical devices
K. Yu, N. Park, D. Lee, and O. Solgaard, "A Wavelength Selective Switch with Flat Passband Using a Free-Space Grating and MEMS Phase-Shifters," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper JTuC67.
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