High-speed silicon waveguide 3-to-8 decoder based on electro-optic effects

Alisher Akhmet; Almar Gaziz; Nazym Alipbayeva; Bikash Nakarmi; Ikechi A. Ukaegbu

doi:10.1117/12.2648476

13 March 2023 High-speed silicon waveguide 3-to-8 decoder based on electro-optic effects

Alisher Akhmet, Almar Gaziz, Nazym Alipbayeva, Bikash Nakarmi, Ikechi A. Ukaegbu

Proceedings Volume 12426, Silicon Photonics XVIII; 124260P (2023) https://doi.org/10.1117/12.2648476
Event: SPIE OPTO, 2023, San Francisco, California, United States

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Abstract

A high-performance silicon waveguide-based electro-optical 3-to-8 decoder is proposed in this work. Generic 500x220 nm dimensions of the waveguide provide compatibility with other devices and circuits. The length of the active region is 4.5 microns. The n-to-m electro-optical switching circuits utilize both forward and reversed bias NOT gates with a voltage input of -2.5 V and 2.5 V, for logic zero and logic high, respectively. The 3-to-8 decoder showed an input power of the optical signal of 1.26 mW, which is distributed within the circuit, resulting in the maximum output power of approximately 0.3 mW on each of the 8 terminals. 20000 dB/cm mode loss is achieved with a logic input controlled by ±2.5 V. Results show that a data-rate of up to 100 Gbit/s is achieved.

Citation Download Citation

Alisher Akhmet, Almar Gaziz, Nazym Alipbayeva, Bikash Nakarmi, and Ikechi A. Ukaegbu "High-speed silicon waveguide 3-to-8 decoder based on electro-optic effects", Proc. SPIE 12426, Silicon Photonics XVIII, 124260P (13 March 2023); https://doi.org/10.1117/12.2648476

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