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IEICE TRANSACTIONS on Electronics

Design and Fabrication of 40 Gbps-NRZ SOA-MZI All-Optical Wavelength Converters with Submicron-Width Bulk InGaAsP Active Waveguides

Yasunori MIYAZAKI, Kazuhisa TAKAGI, Keisuke MATSUMOTO, Toshiharu MIYAHARA, Tatsuo HATTA, Satoshi NISHIKAWA, Toshitaka AOYAGI, Kuniaki MOTOSHIMA

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Summary :

The design aspects of the bulk InGaAsP semiconductor optical amplifier integrated Mach-Zehnder interferometer (SOA-MZI) optimized for 40 Gbps-NRZ all optical wavelength conversion are described. The dimensions of the SOA active waveguide have been optimized for fast gain recovery by maximizing the gain and adjusting the wavelength-converted NRZ waveforms. Submicron-width buried heterostructure (BH) SOA waveguides were fabricated successfully and showed little leakage current. The experimental wavelength-converted optical waveform agreed well to the numerical simulations, and mask-compliant 40 G-NRZ wavelength-converted waveform was obtained by the optimized SOA-MZI. 40 G-NRZ full C-band operation and polarization-insensitive operation of SOA-MZI were also achieved.

Publication
IEICE TRANSACTIONS on Electronics Vol.E90-C No.5 pp.1118-1123
Publication Date
2007/05/01
Publicized
Online ISSN
1745-1353
DOI
10.1093/ietele/e90-c.5.1118
Type of Manuscript
Special Section PAPER (Special Section on Recent Advances in Integrated Photonic Devices)
Category
Semiconductor Devices

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