Design and loss characteristics of an 8x8 polymer arrayed-waveguide grating multi/demultiplexer

Wenbin Guo; Wei-You Chen; Chunsheng Ma; Wei Dong; Cai-Xia Liu; Shiyong Liu

doi:10.1117/12.444589

11 October 2001 Design and loss characteristics of an 8x8 polymer arrayed-waveguide grating multi/demultiplexer

Wenbin Guo, Wei-You Chen, Chunsheng Ma, Wei Dong, Cai-Xia Liu, Shiyong Liu

Proceedings Volume 4604, Fiber Optic Components, Subsystems, and Systems for Telecommunications; (2001) https://doi.org/10.1117/12.444589
Event: International Symposium on Optoelectonics and Microelectronics, 2001, Nanjing, China

Abstract

We designed some important parameters and analyzed loss characteristics of a 8X8 polymer arrayed waveguide granting multuplexer that operates around the wavelength of 1.55 micrometers and the wavelength spacing was 16nm. The total loss of the device includes the diffraction loss in the input and output (I/O) slab waveguides, bent loss caused by the AWG and 1/O channels, and leakage loss resulted from the high refractive index substrate. The effects of some structural parameters on the loss characteristics are investigated and discussed. The computed results show that when we select the core thickness as 4 micrometers , core width as 6 micrometers , pitch of adjacent waveguides as 15.5 micrometers , diffraction order number as 50, the number of the arrayed waveguides as 91, that the I/O channels as 8,confined layer thickness between the core and the substrate as 6 micrometers , distance between the focal point and the origin as 5500 micrometers , and central angle between the central waveguide and the vertical of the symmetrical line of the device as 60 deg, then the total loss of the device can be dropped to about 3.73 dB.

Citation Download Citation

Wenbin Guo, Wei-You Chen, Chunsheng Ma, Wei Dong, Cai-Xia Liu, and Shiyong Liu "Design and loss characteristics of an 8x8 polymer arrayed-waveguide grating multi/demultiplexer", Proc. SPIE 4604, Fiber Optic Components, Subsystems, and Systems for Telecommunications, (11 October 2001); https://doi.org/10.1117/12.444589

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