Optical Bistability in Active Semiconductor Microring Structures

Optical Bistability in Active Semiconductor Microring Structures

The spectral and power (I/O) bistable characteristics of active microring (MR) structures are analyzed theoretically. The theoretical formulation is based on the rate equation under the assumption of the z-independent optical power accounting for amplified spontaneous emission. The analysis is perfo...

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Veröffentlicht in:IEEE journal of selected topics in quantum electronics 2008-05, Vol.14 (3), p.918-926
Hauptverfasser: Alexandropoulos, D., Simos, H., Adams, M.J., Syvridis, D.
Format: Artikel
Sprache:eng
Schlagworte:
Accounting
Active microrings
Holes
logic gates
Mathematical analysis
Nonlinear optics
Optical bistability
optical bistability (OB)
Optical feedback
Optical filters
Optical refraction
Optical resonators
optical switching
Optical variables control
Optical wavelength conversion
Quantum electronics
Refractive index
Semiconductors
Spectra
Spontaneous emission
Stimulated emission
Strategy
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Beschreibung
Zusammenfassung:The spectral and power (I/O) bistable characteristics of active microring (MR) structures are analyzed theoretically. The theoretical formulation is based on the rate equation under the assumption of the z-independent optical power accounting for amplified spontaneous emission. The analysis is performed for MRs in both all-pass and add-drop configurations. The effect of cavity characteristics on the bistable performance are explored. Based on these the merits of the resonant nonlinearity enhancement are discussed and strategies for optimized bistable loops are outlined.
ISSN:1077-260X
1558-4542
DOI:10.1109/JSTQE.2008.921424