Nxn optical switching device based on thermal optic induced internal reflection effect
作者： Ram Sivaraman , Ray T. Chen
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摘要: An nxn thermo-optical switch (40) comprises a first array (50) of n waveguides (51 to 58) and second (60) or (61 68) crossing the array. The may be formed from various materials such as polymers. angle υ defined by intersection between with is two degrees (2°) six (6°). electrode heater (80) disposed adjacent each (70) (60). Heating both cladding material portions associated at changes refractive index that total internal reflection occur. A communication system includes switching center comprising plurality switches (40), wavelength division demultiplexers variable optical attenuators.
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