We propose a novel 1.3/1.55 /spl mu/m dual-band 3-dB coupler on the InP material system. A partial index-modulation region is placed inside a multimode interference structure to shorten the device length. The coupling characteristics have good tolerance on the device length and wavelength variation.
A novel 1.3/1.55 /spl mu/m 3-dB coupler based on multimode interference with a partial index-modulation region
2003-01-01
73291 byte
Conference paper
Electronic Resource
English
British Library Conference Proceedings | 2003
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