This work presents the designs and performance of a series of photonic integrated interrogators developed and investigated for the last few years by the Eastern Europe Design Hub team at Warsaw University of Technology. The interrogators were designed to monitor dynamic signals from fiber Bragg gratings (FBGs) and manufactured in the generic indium phosphide (InP) platform. In particular, the main design assumptions will be presented, along with parameters initially proven by versatile electrical and optical characterization. Possible applications and further development of solutions for integrated photonic interrogators will also be discussed.
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Bieniek-Kaczorek et al. (2024) studied this question.
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