Photonic Angle-of-arrival Measurement of a Microwave Signal with Range Selectivity and SNR Enhancement
Z. Cao, R. Lu, Q. Wang, A. C. F. Reniers, H.P.A. van den Boom, E., Tangdiongga, and A.M.J. Koonen
TL;DR
This paper introduces a new optical delay detector for microwave signal AOA measurement that offers range selectivity and improved SNR, demonstrated experimentally with high accuracy.
Contribution
A novel parallel optical delay detector (PODD) for microwave AOA measurement with range selectivity and noise robustness, validated through experimental implementation.
Findings
Measurement error less than 0.02 radians
Effective noise robustness demonstrated
Range selectivity achieved
Abstract
A novel parallel optical delay detector (PODD) is proposed for angle-of-arrival (AOA) measurement of a microwave signal with selective measurement range and signal-to-noise (SNR) enhancement. The PODD is experimentally demonstrated by using a dual parallel Mach-Zehnder modulator. The noise robustness enhancement is experimentally investigated. Based on the proposed PODD, the measurement error for the full range can be less than 0.02 radian (0.71% of full measured range).
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Taxonomy
TopicsAdvanced Photonic Communication Systems · Advanced Fiber Laser Technologies · Photonic and Optical Devices