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Optical bistability in fiber ring resonator containing an erbium doped fiber amplifier and quantum dot doped fiber saturable absorber

Tofighi, S ; Sharif University of Technology | 2012

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  1. Type of Document: Article
  2. DOI: 10.1364/AO.51.007016
  3. Publisher: 2012
  4. Abstract:
  5. In this paper we study the optical bistability in a double coupler fiber ring resonator which consists of an erbium doped fiber amplifier (EDFA) in half part of the fiber ring and a quantum dot doped fiber (QDF) saturable absorber in the other half. The bistability is provided by the QDF section of the ring resonator. The EDFA is employed to reduce the switching power. The transmitted and reflected bistability characteristics are investigated. It is shown that the switching power for this new bistable device is less than 10 mW
  6. Keywords:
  7. Erbium doped fiber amplifiers ; Optical resonators ; Saturable absorbers ; Semiconductor quantum dots ; Bistable devices ; Doped fiber ; Fiber ring resonators ; Fiber rings ; In-fiber ; Ring resonator ; Switching power ; Fibers
  8. Source: Applied Optics ; Volume 51, Issue 29 , 2012 , Pages 7016-7024 ; 1559128X (ISSN)
  9. URL: https://www.osapublishing.org/ao/abstract.cfm?uri=ao-51-29-7016