All-optical processes in integrated optical devices using materials with large third-order nonlinearities and gain
Dekker, Ronald (2006) All-optical processes in integrated optical devices using materials with large third-order nonlinearities and gain. thesis.
|Abstract:||Data transport rates have increased tremendously over the last couple of years, because of the rapid growth of the internet, HD-television, digital communication, triple-play, etc. The amount of internet traffic, for instance, has doubled each year. Optical glass fibers, which are known for their high and practically unlimited bandwith, have experienced a huge growth as a replacement for the copper wires in the networks of the telecommunication operators. Switching speeds should increase in order to transport the rapid growing amount of optical data from end users and suppliers using these fiber networks. At this moment the switching of data signals is being performed in the electrical domain, but in the future the switching will take place completely in the optical domain: ‘all-optical switching’. This way of switching will eliminate the need of slow conversions from the optical domain to the electrical domain (and vice versa), resulting in switching speeds that are many times faster than nowadays physically possible in the electrical domain. Integrated optics is a logical choice for the realization of optical switches. Integrated optics is the field which explores and develops methods and devices for the propagation and processing of optical signals in lightwave structures. One could think
of switching or filtering of wavelengths, but also amplification or modulation of such optical signals. This thesis presents various methods, both theoretically as well as experimentally, to amplify, modulate or switch optical signals in an integrated optical circuit, without the intervention of slowing electronics.
|Link to this item:||http://purl.utwente.nl/publications/57811|
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