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Simultaneous all-optical individual channel clock extraction and wavelength conversion using an optically injected Fabry-Perot laser diode

Lü Yu-Xiang Sun Shuai Yang Xing

Simultaneous all-optical individual channel clock extraction and wavelength conversion using an optically injected Fabry-Perot laser diode

Lü Yu-Xiang, Sun Shuai, Yang Xing
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  • Abstract views:  4200
  • PDF Downloads:  1034
  • Cited By: 0
Publishing process
  • Received Date:  03 August 2008
  • Accepted Date:  15 December 2008
  • Published Online:  05 February 2009

Simultaneous all-optical individual channel clock extraction and wavelength conversion using an optically injected Fabry-Perot laser diode

  • 1. 太原理工大学理学院物理系,太原 030024

Abstract: We propose and demonstrate a novel technique that uses a FabryPerot laser diode (FPLD) to perform simultaneous alloptical individual channel clock extraction and wavelength conversion. The nonlinear dynamical period1 oscillation can occur when a semiconductor laser is optically injected. By utilizing the crossgain modulation effect and the period1 oscillation harmonic frequencylocked in an optically injected semiconductor laser, we can extract the wavelength conversional individual channel optical clock from the opticaltimedivisionmultiplexing (OTDM) signal. In a FPLD, we numerically simulate the extraction of 20 GHz optical clock at 1550 nm from the 2×20 Gb/s OTDM signal at 1555 nm, and experimentally obtain the -105 dBc/Hz phase noise frequency division clock of 1236 GHz to 618 GHz with simultaneous wavelength conversion from 155024 nm to 154591 nm. Moreover, we investigate the influence of the injection optical power level, wavelength detuning, the FPLD's bias current level and the longitudinal mode selection on the optical clock extraction. This method is potential to technologically apply in the alloptical demultiplexing and wavelength routing in the OTDM mixed wavelengthdivisionmultiplexing (WDM) communication system.

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