Dual-wavelength bit input optical RAM with three SOA-XGM switches

Dimitrios Fitsios*, Christos Vagionas, George Theodore Kanellos, Amalia Miliou, Nikos Pleros

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

16 Citations (Scopus)


We demonstrate a novel all-optical static RAM cell that exploits wavelength diversity in the incoming optical streams towards reducing the number of active elements. The circuit requires only three semiconductor optical amplifiers-cross gain modulation gates for successful read/write operation, yielding a 25% reduction in power consumption compared to state-of-the-art configurations. Proof-of-concept experimental verification is presented at 8 Mb/s using fiber-interconnected off-the-shelf bulk components.

Original languageEnglish
Article number6193124
Pages (from-to)1142-1144
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number13
Publication statusPublished - 8 Jun 2012


  • Optical flip-flop
  • optical memory
  • optical signal processing
  • semiconductor optical amplifier (SOA)


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