IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
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Optical FSK/IM Signal Generation Using an Integrated Optical FSK Modulator
Tetsuya KawanishiKaoru HigumaTakahisa FujitaJunichiro IchikawaSatoshi ShinadaTakahide SakamotoMasayuki Izutsu
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2004 Volume 1 Issue 3 Pages 69-72

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Abstract

We demonstrate simultaneous optical modulation by frequency shift keying (FSK) and intensity modulation (IM) using a newly developed high-speed FSK modulator, for optical packet systems where payload and label signals are, respectively, in IM and FSK format. The modulator consists of four optical phase modulators, with traveling-wave electrodes to obtain high-speed frequency switching and large frequency deviation in FSK modulation.

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© 2004 by The Institute of Electronics, Information and Communication Engineers
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