Scalable Bandwidth and High-Precision Spectral Measurement by Frequency Chirped Comb

Abstract

A cost-effective scan technique enabling scalable measurement range is presented by injecting a sweep RF signal of 27.5-30 GHz into an electro-optic comb generator. The 10 th -order harmonic scans over an extended span where an ultra-narrow (Q >10 6 ) resonance is well-resolved with sub-MHz resolution.