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Mach–Zehnder Interferometric Wavelength Converter as a Pseudo Return-to-Zero Extractor
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- Authors
- Dong Churl Kim, Young Ahn Leem, Eun Deok Sim, Dae-Su Yee, Hyun Sung Ko, Sung-bock Kim, Kyung Hyun Park, Min Yong Jeon
- Issue Date
- 2007-05
- Citation
- Japanese Journal of Applied Physics, v.46, no.17, pp.L414-L416
- ISSN
- 0021-4922
- Publisher
- Japan Society of Applied Physics (JSAP), Institute of Physics (IOP)
- Language
- English
- Type
- Journal Article
- Abstract
- We have used semiconductor optical amplifier (SGA)-based Mach-Zehnder interferometric wavelength converter (MZ-IWC) as a pseudo return-to-zero (PRZ) extractor. Applying this scheme, PRZ was extracted from non-return-to-zero pump beam after MZ-IWC and optical clock was recovered by injection-locking a self-pulsating laser diode with the extracted PRZ. In addition, a wavelength-converted signal was obtained from probe beam. ©2007 The Japan Society of Applied Physics.
- KSP Keywords
- Applied physics, Laser diode(LD), Mach-Zehnder(MZ), Self-pulsating laser, Semiconductor optical amplifiers(SOAs), injection locking, nonreturn-to-zero(NRZ), optical clock, return-to-zero(RZ), wavelength converter