B. Gouhier, K. Lee, A. Nirmalathas, C. Lim, E. Skafidas
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引用次数: 3
Abstract
In this paper, we study the performance of a wide-bandwidth electro-optic probing system based on an optical comb generated with a recirculating frequency shifter. The system beats a single harmonic from the optical comb with an optical sideband from a RF signal to yield a lower frequency wave. The use of a tunable laser, tunable optical filters and single-sideband modulator gives the system a great flexibility, potentially allowing to down-convert THz frequencies down to a few GHz. Noise floor, IF signal bandwidth and coherence length are studied.
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