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Yung-Cheng CHANG Yu-Huang LIN Yu-Sheng LIAO Gong-Ru LIN
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.
Hiroshi OHTA Seiji NOGIWA Haruo CHIBA
The timing jitter of the optical pulse from a gain-switched laser diode is reduced by CW light injection. The reduction ratio of the timing jitter is 5. 5. The pulse width was compressed by a nonlinear optical loop mirror to a pedestal-free optical pulse with a pulse width of 420 fs.