Efficient Thermal Tuning for Second-order Silicon Nitride Microring Resonators

Efficient Thermal Tuning for Second-order Silicon Nitride Microring Resonators

Thermal tuning for high-index-contrast silicon nitride second-order ring filter with low tuning power of 52 muW/GHz is analyzed. Efficient tuning of 4.5 GHz/K is demonstrated for these filters. Precise centre wavelength stability of approximately 100 MHz is obtained with temperature feedback control...

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Hauptverfasser: Amatya, R., Holzwarth, C.W., Smith, H.I., Ram, R.J.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Channel spacing
Circuit optimization
Crosstalk
Optical resonators
Optical tuning
Photonic integrated circuits
Polymers
Resonator filters
Ring resonator
Silicon compounds
Thermal conductivity
Thermal tuning
Thermo-optic effect
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Zusammenfassung:Thermal tuning for high-index-contrast silicon nitride second-order ring filter with low tuning power of 52 muW/GHz is analyzed. Efficient tuning of 4.5 GHz/K is demonstrated for these filters. Precise centre wavelength stability of approximately 100 MHz is obtained with temperature feedback controller. Their compact size, large free spectral range, low tuning power and low thermal crosstalk between the filters make these resonators attractive for photonic integration.
DOI:10.1109/PS.2007.4300788