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Diamond configuration for non-reciprocal transmission

Khorasani, S ; Sharif University of Technology | 2017

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  1. Type of Document: Article
  2. DOI: 10.1109/JQE.2017.2711246
  3. Publisher: Institute of Electrical and Electronics Engineers Inc , 2017
  4. Abstract:
  5. A system scheme is presented, which allows non-reciprocal wave transmission or directional amplification of electromagnetic signals, using a boxed four-node method. Edges represent strong hopping interactions and diagonals stand for weak parametric interactions. Using careful optimization of values for design parameters, we are able to obtain non-reciprocity in excess of 12 and 130 dB for intrinsic and extrinsic configurations at identical input/output frequencies. For the directional amplification, an isolation as high as 40 dB is demonstrated with the forward/backward gains of ±20 dB. Cascading two such systems potentially can offer high isolations at high gains. © 1965-2012 IEEE
  6. Keywords:
  7. langevin equations ; Differential equations ; Quantum optics ; Design parameters ; Electromagnetic signals ; High isolation ; Langevin equation ; Nonreciprocity ; Parametric interactions ; Reciprocal transmissions ; System scheme ; Wave transmission
  8. Source: IEEE Journal of Quantum Electronics ; Volume 53, Issue 4 , 2017 ; 00189197 (ISSN)
  9. URL: https://ieeexplore.ieee.org/document/7938306