Optical waveguides – With optical coupler – Switch
Patent
1998-02-12
2000-08-01
Lee, John D.
Optical waveguides
With optical coupler
Switch
385 18, G02B 635
Patent
active
060978597
ABSTRACT:
A cross-connect switch for fiber-optic communication networks employing a wavelength dispersive element, such as a grating, and a stack of regular (non-wavelength selective) cross bar switches using two-dimensional arrays of micromachined, electrically actuated, individually-tiltable, controlled deflection micro-mirrors for providing multiport switching capability for a plurality of wavelengths. Using a one-dimensional micromirror array, a fiber-optic based MEMS switched spectrometer that does not require mechanical motion of bulk components or large diode arrays can be constructed with readout capability for WDM network diagnosis or for general purpose spectroscopic applications.
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Jeong et al, "Comparison of Wavelength-Interchanging and Wavelength-Selective Cross-Connects in Multiwavelength All-Optical Networks", PROC. of 1996 15th Annual Joint Conf. of IEEE Computer & Communications Societies, INFOCOM '96, Part 1 (of 3), 1996, pp. 156-163.
Patel, J.S. et al., "Liquid Crystal and Grating-Based Multiple-Wavelength Cross-Connect Switch", IEEE Photonics Technology Letters, vol. 7, No. 5, May 1995, pp. 514-516.
Bhattarai Amal R.
Heritage Jonathan P.
Solgaard Olav
Lee John D.
O'Banion John P.
The Regents of the University of California
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