標題: 10 Gbit/s tunable dual-wavelength nonreturn-to-zero-to-return-to-zero data-forma't transformer based on a non-direct-current-biased Fabry-Perot laser diode
作者: Chang, YC
Lin, GR
光電工程學系
Department of Photonics
公開日期: 20-May-2005
摘要: We demonstrate the conversion of a nonreturn-to-zero (NRZ)-formatted electrical data stream into a wavelength-tunable return-to-zero (RZ)-formatted optical pulse code by externally seeding a synchronously sinusoidal-modulated Fabry-Perot laser diode (FPLD) with optical pseudorandom binary-sequence data at 10 Gbits/s (Gbps). The FPLD without a dc-biased current was modulated by use of a power-amplified sinusoidal wave signal (similar to 25.6 dBm) as an NRZ-to-RZ data-format transformer, which is regeneratively amplified by a closed-loop erbium-doped fiber amplifier. The gain switching and on-off keying operation of the FPLD is initiated under the seeding of self-feedback and extemal-injection signals. A maximum wavelength tuning range of 30 nm with a side-mode suppression ratio of greater than 36 dB is obtained. The power penalty of the NRZ-to-RZ data-format conversion at 10 Gbps is 1.5 dB. (c) 2005 Optical Society of America.
URI: http://dx.doi.org/10.1364/AO.44.003058
http://hdl.handle.net/11536/13704
ISSN: 0003-6935
DOI: 10.1364/AO.44.003058
期刊: APPLIED OPTICS
Volume: 44
Issue: 15
起始頁: 3058
結束頁: 3062
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