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10-Gb/s low-input-power SOA-PLC hybrid integrated wavelength converter and its 8-slot unit

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9 Author(s)
R. Sato ; NTT Photonics Labs., NTT Corp., Kanagawa, Japan ; T. Ito ; K. Magari ; I. Ogawa
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We achieved successful low-input-power (-10 dBm) wavelength conversion at 10 Gb/s by using a hybrid integrated cross-phase modulation wavelength converter (XPM-WC). The input CW power was also -10 dBm and the total current was only 215 mA, and no signal preamplifiers were used. From the relationship between the eye-opening ratio and the injection current to the SOA, we clarified the optimal current condition for low-input-power operation. The XPM-WC consists of a two-channel spot-size converter integrated semiconductor optical amplifier (SS-SOA), which is mounted on a planar lightwave circuit (PLC) platform. We also fabricated an 8-slot unit. XPM-WC modules are inserted in every slot and can operate independently. Stable and uniform low-input-power operation is confirmed in all slots.

Published in:

Journal of Lightwave Technology  (Volume:22 ,  Issue: 5 )