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Fast tunable optical filter using cascaded Mach-Zehnder Interferometers with apodized sampled gratings

Segawa, T. ; Matsuo, S. ; Ohiso, Y. ; Ishii, T. ; Shibata, Y. ; Suzuki, H.

IEEE photonics technology letters, 2005-01, Vol.17 (1), p.139-141

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Título:
Fast tunable optical filter using cascaded Mach-Zehnder Interferometers with apodized sampled gratings
Autor: Segawa, T. ; Matsuo, S. ; Ohiso, Y. ; Ishii, T. ; Shibata, Y. ; Suzuki, H.
Assuntos: Bandwidth ; Diffraction gratings ; Extinction ; Extinction ratio ; Gratings ; Gratings (spectra) ; integrated optoelectronics ; Mach-Zehnder interferometers ; Noise levels ; Optical filters ; Optical packet switching ; Optical ring resonators ; Optical tuning ; optical waveguide filters ; Optical waveguides ; Resonator filters ; Sidelobes ; tunable filters
É parte de: IEEE photonics technology letters, 2005-01, Vol.17 (1), p.139-141
Notas: ObjectType-Article-1
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Descrição: We demonstrate a novel tunable optical filter using cascaded Mach-Zehnder interferometers with apodized sampled gratings (ASGs). The ASGs are fabricated using an InGaAsP-InP deep-ridge waveguide with vertical-groove surface grating to obtain a high extinction ratio by sidelobe suppression. The proposed filter exhibits the total free-spectral range of 16 nm, an extinction ratio of 20 dB, and a 3-dB transmission bandwidth of 32 GHz.
Editor: New York: IEEE
Idioma: Inglês

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