Abstract
We have analyzed and experimentally demonstrated the performance of a wavelength-locked Fabry–Perot laser diode (FP-LD) with a spectrally sliced FP-LD as an external-injection optical source. A high side-mode suppression ratio exceeding 30 dB was obtained, and the noise characteristic of the wavelength-locked FP-LD was analyzed in terms of both mode partition noise and interferometric noise. The measured relative intensity noise had a minimum value of . We also investigated the transmission characteristics such as the Q factor and extinction ratio for a 622 Mbits∕s and 2.5 Gbits∕s baseband digital signal.
© 2006 Optical Society of America
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