Compact broadband photonic crystal filters with reduced back-reflections for monolithic InP-based photonic integrated circuits

Compact broadband photonic crystal filters with reduced back-reflections for monolithic InP-based photonic integrated circuits

A photonic crystal grating filter with an extremely wide rejection band and reduced modal back-reflections is proposed and demonstrated with a stopband extinction of 20 dB and insertion loss of less than 5 dB. The reflection-mitigation technique is shown to provide 10-15-dB reduction in reflected po...

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Veröffentlicht in:IEEE photonics technology letters 2006-05, Vol.18 (10), p.1155-1157
Hauptverfasser: Davanco, M., Aimin Xing, Raring, J.W., Hu, E.L., Blumenthal, D.J.
Format: Artikel
Sprache:eng
Schlagworte:
Broadband
Extinction
Gratings
Guidelines
Integrated circuits
Integrated optics
Noise levels
optical bandpass filters
Optical filters
Optical waveguides
Personal communication networks
Photonic band gap
photonic bandgap
Photonic crystals
photonic crystals (PCs)
Photonic integrated circuits
Photonics
Reflectivity
Rejection
Semiconductor waveguides
Testing
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Beschreibung
Zusammenfassung:A photonic crystal grating filter with an extremely wide rejection band and reduced modal back-reflections is proposed and demonstrated with a stopband extinction of 20 dB and insertion loss of less than 5 dB. The reflection-mitigation technique is shown to provide 10-15-dB reduction in reflected power. Guidelines for performance improvement are presented
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2006.874729