Cross-Correlation Signal Processing for Axion and WISP Dark Matter Searches

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


The search for dark matter is of fundamental importance to our understanding of the universe. Weakly interacting slim particles (WISPs) such as axions and hidden sector photons are well-motivated candidates for the dark matter. Some of the most sensitive and mature experiments to detect WISPs rely on microwave cavities, and the detection of weak photon signals. It is often suggested to power combine multiple cavities, which creates a host of technical concerns. We outline a scheme based on cross correlation for power combining cavities and increasing the signal-to-noise ratio of a candidate WISP signal.

Original languageEnglish
Article number8538016
Pages (from-to)236-243
Number of pages8
JournalIEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control
Issue number1
Publication statusPublished - Jan 2019


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