| Authors: | K. Huybrechts, G. Morthier, R. Baets | | Title: | Fast all-optical flip-flop based on a single distributed feedback laser diode | | Format: | International Journal | | Publication date: | 7/2008 | | Journal/Conference/Book: | Optics Express
| | Volume(Issue): | 16(15) p.11405-11410 | | DOI: | 10.1364/oe.16.011405 | | Citations: | 71 (Dimensions.ai - last update: 14/4/2024)
52 (OpenCitations - last update: 3/5/2024)
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Abstract
Since there is an increasing demand for fast networks and switches, the electronic data processing imposes a severe bottleneck and all-optical processing techniques will be required in the future. All-optical flip-flops are one of the key components because they can act as temporary memory elements. Several designs have already been demonstrated but they are often relatively slow or complex to fabricate. We demonstrate experimentally fast flip-flop operation in a single DFB laser diode which is one of the standard elements in today’s telecommunication industry. Injecting continuous wave light in the laser diode, a bistability is obtained due to the spatial hole burning effect. We can switch between the two states by using pulses with energies below 200 fJ resulting in flip-flop operation with switching times below 75 ps and repetition rates of up to 2 GHz. Related Research Topics
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