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arXiv · 2308.08677

Demonstration of an Integrated Terahertz Band-Stop Filter Using an Apodized Bragg Grating

Ali Dehghanian·Walid Gomaa·Mohsen Haghighat·Thomas Darcie·Levi Smith
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Abstract

This paper presents the demonstration of an on-chip integrated Terahertz (THz) Apodized Bragg grating (TABG) which functions as band-stop filter with a center frequency of 0.8 THz and a bandwidth of 200 GHz. For experimentation, we integrate the TABG into our THz System-on-Chip to enable wideband (DC - 1.5 THz) device characterization. Using this methodology, we measure the signal transmission through the TABG and find the experimental results align with simulation and theory provides a rejection of approximately 20 dB across the stop-band.

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Ali Dehghanian, Walid Gomaa, Mohsen Haghighat, Thomas Darcie, Levi Smith. 2023-08-16. Demonstration of an Integrated Terahertz Band-Stop Filter Using an Apodized Bragg Grating. https://doi.org/10.1364/oe.502363

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