Broadband RF interconnection technique for terahertz photodiodes enabling multiple waveguide output

Muhsin Ali; Alejandro Rivera-Lavado; Daniel Gallego-Cabo; Frédéric van Dijk; Guillermo Carpintero

doi:10.1117/12.2650477

13 March 2023 Broadband RF interconnection technique for terahertz photodiodes enabling multiple waveguide output

Muhsin Ali, Alejandro Rivera-Lavado, Daniel Gallego-Cabo, Frédéric van Dijk, Guillermo Carpintero

Proceedings Volume 12420, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVI; 1242006 (2023) https://doi.org/10.1117/12.2650477
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

In this paper, we present a novel RF interconnection technique for the integration of high-speed photodiodes allowing multi-band rectangular waveguide (RW) interface from a single device. It is based on the dielectric rod waveguide (DRW) technology, which is known to offer broad bandwidths. The signal from photodiode is coupled to a rectangular slab DRW by the near-field coupling from a planar transition. The DRW also offers mechanical compatibility with standard RWs. By achieving the fundamental mode excitation, a broad working bandwidth of 75 GHz to 330 GHz is achieved in the simulated model. This corresponds to four frequency bands of WR-10, WR-8, WR-5 and WR-3.

Conference Presentation

Citation Download Citation

Muhsin Ali, Alejandro Rivera-Lavado, Daniel Gallego-Cabo, Frédéric van Dijk, and Guillermo Carpintero "Broadband RF interconnection technique for terahertz photodiodes enabling multiple waveguide output", Proc. SPIE 12420, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVI, 1242006 (13 March 2023); https://doi.org/10.1117/12.2650477

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