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Ph.D. Thesis - Michael Galili - July 2007
Ultra-high speed switching functionalities using non-linear fibres - 160-640 Gbit/s all-optical signal processing.
Ph.D. thesis, COM-DTU, Department of Communications, Optics and Materials, Technical University of Denmark, Kgs. Lyngby, Denmark.
24 September 2007.
Supervisors: Palle Jeppesen, Leif K. Oxenl°we, Anders T. Clausen.

Michael Galili


This thesis deals with optical signal processing of high-speed optical data signals at 160-640 Gbit/s. By exploiting non-linear effects in optical fibres several signal processing functionalities are implemented. This includes wavelength conversion of intensity modulated and phase modulated data signals, conversion between intensity and phase modulation, clock recovery for synchronising a receiver to an incoming data signal and finally reduction of timing sensitivity in such high-speed systems. All of the signal processing tasks are performed directly on the optical signal i.e. without converting it into an electrical signal first. In this way it is possible to manipulate signals at much higher speeds, than can be done electronically. All of the investigated signal processing operations are shown to work in high-speed system demonstrations at bit rates up to 640 Gbit/s.


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Record created 2008-02-19, last modified 2008-10-15

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