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A microphotonic transversal RF signal processor with no laser‐coherence noise
Author(s) -
Zheng Rong,
Alameh Kamal E.,
Wang Zhenglin
Publication year - 2005
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.20873
Subject(s) - coherence (philosophical gambling strategy) , photonics , filter (signal processing) , transversal (combinatorics) , phase noise , radio frequency , physics , optics , signal (programming language) , noise (video) , laser , computer science , engineering , electrical engineering , telecommunications , mathematical analysis , mathematics , quantum mechanics , artificial intelligence , image (mathematics) , programming language
In this paper, the impact of laser coherence on transversal photonic RF signal processors is investigated and a new MicroPhotonic adaptive RF filter structure, which eliminates the phased‐induced intensity noise, is proposed and demonstrated. It is shown that the phase‐induced intensity noise caused by the laser‐source coherence significantly degrades the RF frequency response of a transversal photonic RF filter, hence, limiting its performance. The results show that the MicroPhotonic RF filter is capable of generating an arbitrary transfer function with no phase‐induced intensity noise. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 45: 540–545, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20873