科研之友
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摘要
A novel ultra-compact triplexer is designed by basing it on a combination of a 2 x 2 generalized interference-multimode interference (Gl-MMl) coupler. The MMl is formed into linear butterfly shape and a directional coupler using silicon rib waveguides. Firstly, the 2 x 2 MMl coupler is designed to separate the wavelength 1490 nm into one port and wavelengths of 1310 nm and 1550 nm into another port. Then a directional coupler is used to drop wavelengths of 1310 nm and 1550 nm to output ports individually. Numerical simulations with three-dimensional Beam Propagation Method (BPM) are utilized to design and optimize the operation of the proposed triplexer.
- 出版日期2014-2-1
