Wavelength division multiplexer with wide passbandand stopband for1.3 µm/1.55 µm using silica-based planar lightwave circuit
- 3 August 1995
- journal article
- research article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 31 (16) , 1377-1379
- https://doi.org/10.1049/el:19950927
Abstract
A wideband 1.3/1.55 µm wavelength division multiplexer (WDM) is demonstrated. It is composed of point-symmetrically connected Mach-Zehnder interferometers (MZIs) and fabricated using silica-based waveguides with relative index differences of 0.45% and 7 × 7 µm2 cores. The passband and stopband are successfully widened by factors of ~1.5 and 2, respectively, compared with an ordinary MZI-type WDM.Keywords
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