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10 October 2020 Design and experimental analysis of multimode interference-based optical splitter for on-chip optical interconnects
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Abstract

Multimode interference (MMI)-based optical splitter is designed and experimentally demonstrated on silicon on insulator for on-chip optical interconnect. We have proposed MMI-based 1  ×  2 optical 3-dB splitter having a compact footprint (2.8  ×  27  μm2). The device shows low excess loss of 0.05 dB for TE mode at operating wavelength 1550 nm and <0.45  dB over broad wavelength 1430 to 1675 nm (S–C–L–U band) using eigenmode expansion (EME) method. The proposed MMI-based Mach–Zehnder interferometer structure is implemented for arbitrary power splitting applications having excess loss <1  dB for wavelength range 1520 to 1580 nm. Moreover, the fabrication tolerance of the device is analyzed using the EME method. The proposed device can be used for on-chip optical interconnects in photonic integrated circuits.

© 2020 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2020/$28.00 © 2020 SPIE
Devendra Chack and Shamsul Hassan "Design and experimental analysis of multimode interference-based optical splitter for on-chip optical interconnects," Optical Engineering 59(10), 105102 (10 October 2020). https://doi.org/10.1117/1.OE.59.10.105102
Received: 26 June 2020; Accepted: 21 September 2020; Published: 10 October 2020
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