Spinwave Bandpass Filters for 6G Communication
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866911425270644736 |
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| author | Devitt, Connor Tiwari, Sudhanshu Zivasatienraj, Bill Bhave, Sunil A. |
| author_facet | Devitt, Connor Tiwari, Sudhanshu Zivasatienraj, Bill Bhave, Sunil A. |
| contents | Spinwave filters using single-crystal yttrium iron garnet are an attractive technology for integration in frequency adjustable or tunable communication systems. However, existing SW devices do not have sufficient bandwidth for future 5G and 6G communication systems, are too large, or have strong spurious passbands creating unintentional cross-channel interference. Leveraging modern micromachining fabrication methods capable of wafer-scale production, we report a SW ladder filter architecture requiring only a single external magnetic bias. The filters demonstrate loss as low as 2.54 dB, bandwidths up to 663 MHz, center frequency tuning over multiple octaves from 7.08-21.6 GHz, and high linearity with an input referred third-order intercept point over 11 dBm in the passband. The filter's operation is also experimentally demonstrated in a frequency tunable radio system. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_18931 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Spinwave Bandpass Filters for 6G Communication Devitt, Connor Tiwari, Sudhanshu Zivasatienraj, Bill Bhave, Sunil A. Applied Physics Spinwave filters using single-crystal yttrium iron garnet are an attractive technology for integration in frequency adjustable or tunable communication systems. However, existing SW devices do not have sufficient bandwidth for future 5G and 6G communication systems, are too large, or have strong spurious passbands creating unintentional cross-channel interference. Leveraging modern micromachining fabrication methods capable of wafer-scale production, we report a SW ladder filter architecture requiring only a single external magnetic bias. The filters demonstrate loss as low as 2.54 dB, bandwidths up to 663 MHz, center frequency tuning over multiple octaves from 7.08-21.6 GHz, and high linearity with an input referred third-order intercept point over 11 dBm in the passband. The filter's operation is also experimentally demonstrated in a frequency tunable radio system. |
| title | Spinwave Bandpass Filters for 6G Communication |
| topic | Applied Physics |
| url | https://arxiv.org/abs/2507.18931 |