Lasers, Fiber Optics, and Communications

Compact Si photonic multimode interference-based optical circuit for mode division multiplexing applications

[+] Author Affiliations
Salwa El-Sabban

Helwan University, Faculty of Engineering, Electronics and Communication Engineering Department, 1 Sherif Street, Helwan, Cairo 11792, Egypt

Diaa Khalil

Ain-Shams University, Faculty of Engineering, Electronics and Communication Engineering Department, 1 Elsarayat Street, Abbassia, Cairo 11317, Egypt

Opt. Eng. 55(7), 076102 (Jul 06, 2016). doi:10.1117/1.OE.55.7.076102
History: Received March 28, 2016; Accepted June 14, 2016
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Abstract.  A design for a compact Si photonic two mode demultiplexer for mode division multiplexing (MDM) applications is presented. The design uses the self-imaging in multimode interference structures to achieve MDM with an insertion loss less than 0.5 dB and a cross talk better than 20 dB over the C band. The imaging is achieved within a length that is half the length reported in the literature, and its overall dimensions are 42  μm×3  μm. The minimum cross talk is affected by the structure geometry. The tolerance of the design to variations in the dimensions is also studied.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Salwa El-Sabban and Diaa Khalil
"Compact Si photonic multimode interference-based optical circuit for mode division multiplexing applications", Opt. Eng. 55(7), 076102 (Jul 06, 2016). ; http://dx.doi.org/10.1117/1.OE.55.7.076102


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