Switchable Dual-Wavelength NRZ-to-RZ Data-Format Transformer Using Non-DC-Biased and Synchronously Modulated Laser Diode

Yung-Cheng CHANG  Yu-Huang LIN  Yu-Sheng LIAO  Gong-Ru LIN  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E88-C   No.5   pp.981-983
Publication Date: 2005/05/01
Online ISSN: 
DOI: 10.1093/ietele/e88-c.5.981
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Joint Special Section on Recent Progress in Optoelectronics and Communications)
Category: Optical Active Devices and Modules
Keyword: 
gain-switch,  injection locking,  data-format transformer,  OOK,  

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Summary: 
The switchable dual-wavelength and wavelength-con-verted nonreturn-to-zero-to-return-to-zero (NRZ-to-RZ) data transformation is demonstrated by externally seeding a synchronously sinusoidal-modulated laser diode with an optical pseudorandom bit sequence data at 1 Gbps. A maximum wavelength tuning range of 30 nm with an SMSR of greater than 36 dB is obtained. 1 Gbps on/off keying of single-mode RZ data pulse-train generated by externally seeding synchronously sinusoidal-modulated laser diode is demonstrated.