Multichannel dual-mode-based optical pulse source from a single laser diode


Bao, H. C.; Wen, Y. J.; Liu, H. F.; Nirmalathas, A.

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Generation of multichannel optical pulse trains by spectral slicing of two adjacent optical modes from a single subharmonically synchronous mode-locked laser diode is demonstrated in this letter. The obtained pulse source exhibits high extinction ratio (> 15 dB), low amplitude modulation (<-24.8 dB) and low timing jitter (< 0.5 ps) over all the channels from 1550 to 1564 nm. The resulting pulse trains can be used for the generation of carrier suppressed return-to-zero data in dense wavelength-division-multiplexed systems and optical generation of millimeter-wave signals required for future multiple channel fiber wireless systems.

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Journal article


IEEE Photonics Technology Letters, Vol. 16, no. 3 (2004), pp. 894-896






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