IOLOS Integrated optical logic using microring bistable semiconductor lasers

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IOLOSIntegrated optical logic using micro-ring
bistable semiconductor lasers

• Funding source European Union
• Program Specific Target Research project - IST
• Duration sept2006 sept2009
• Local funding 91 KEu
• Participants IFISC A. Scirè, A. Pérez, T. Pérez,
  R. Zambrini, P. Colet, C. R. Mirasso
• Participants UIB S.Balle, J. Javaloyes
• Academic partners U. of Bristol (C), U. of
  Glasgow, U.di Pavia, Vrije U. Brussels
• Industrial partners Siemens , Intense Photonics,
  Bookham tech.(A)
• Keywords Optoelectronics, Optical Logic

• OBJECTIVES
• Establish directional bistability
  conditions/robustness
• Describe directional switching in terms of
  involved physical processes

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Model structure framework (WP3) Performed work
and WPs interaction
EXP.WP4
COLD CAVITY MODEL
Modal structure A. Pérez et al (in prep)
Boundary conditions
Rate Equations Langevin formulation
Travelling Wave Model
Noise spectra A. Pérez et al (in prep)
Multimode/fast (ps) Spatio temporal dynamics
Parameters estraction
Parameters estraction
EXP.WP6
Monomode dynamics (ns) T. Pèrez et al Optics
Express (2007)
Reduced Rate Equations
Regimes boundaries G. Van de Sande et al (sub)
Rate Equations
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Achievements

• Cold cavity model
• Modal structure in agreement with experiments
• Travelling wave model
• 1/2 hour simulation for 1?s of wide band (THz)
  spatiotemporal dynamics
• Pre-IOLOS results recovered
• Optical Spectra in qualitative agreement with
  experiments
• Rate equations model
• Upper limits for switching characteristics
  insight on the physics
• Noise spectra and correlations (numeric and
  analytics)
• Reduced rate equations model
• Full bifurcation analysis
• Conditions and robustness of directional
  bistability in SRL
• Local Scientific outputs
• 8 conference contributions (2 invited talks), 1
  published journal paper, 2 submitted, 2 in
  preparation, 1 Master Thesis.