Detta är ett uppsatsförslag hämtat från Nationella Exjobb-poolen. Klicka här för att komma tillbaka till samtliga exjobbsförslag.
Transceiver module for mobile optical communication
Optical free-space communication systems are today commercially available as fixed point-to-point communication links. Optical free-space links offer advantages in terms of bandwidth (up to 10Gb/s), security (jamming and eavedropping) and flexibility (no license required) compared to RF links. They also provide cheaper, faster-to-install and more flexible solutions than optical fibre links.
Recently, further developments of this concept to mobile users have been proposed by several research groups, based on retromodulation utilising a corner cube and a fast light modulator at the mobile unit. Earlier demonstrators were based on modulators operating at 850nm, but eye-safe modulators operating at 1.5µm are required to deploy broadband optical communication links between mobile users.
In this study, a transceiver module based on surface-normal electroabsorption modulators operating at 1.5µm will be designed, built and experimentally evaluated in a lab testbed.
To build and experimentally demonstrate the performance of a transceiver module operating at 1.5µm for mobile broadband optical communication.
The following tasks will be conducted in the frame of the diploma work project, with a strong emphasis on task 3:
1. Study of different transceiver designs (including focal plane and corner cube architectures).
2. Characterisation of existing modulator devices.
3. Design, assembly and characterisation of a compact emitter module
4. Test in a communication link
Note: modulator devices that have already been successfully developed in the frame of a European project will be used for this project.
Informationen om uppsatsförslag är hämtad från Nationella Exjobb-poolen.