Multichannel OADM using cascaded Bragg grating/Mach–Zehnder interferometers in SOI | Zendy

Wang J. | Zendy; Chen L.R. | Zendy

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Multichannel OADM using cascaded Bragg grating/Mach–Zehnder interferometers in SOI

Author(s) -

Wang J.,

Chen L.R.

Publication year - 2015

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

ISSN - 1350-911X

DOI - 10.1049/el.2015.1928

Subject(s) - fiber bragg grating , silicon on insulator , astronomical interferometer , mach–zehnder interferometer , optics , grating , physics , optical circulator , optical add drop multiplexer , wavelength division multiplexing , materials science , interferometry , electronic engineering , optoelectronics , optical fiber , engineering , optical performance monitoring , silicon , wavelength

Multichannel optical add–drop multiplexers (OADMs) based on cascaded Bragg grating/Mach–Zehnder interferometers in silicon‐on‐insulator are reported. The OADMs are fabricated using electron beam lithography with a single etch. Three add–drop channels at wavelengths of 1542.5, 1557.0, and 1570.4 nm, each with a 3 dB bandwidth (BW) of 4 nm are obtained. All channels exhibit a transmission isolation of >20 dB, an interferometric crosstalk of <−30 dB, and a bandwidth utilisation factor of >0.5.

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