Abstract
Gallium nitride (GaN) laser diodes are becoming popular sources not only for lighting but for applications ranging from communications to quantum. This paper presents the use of a commercial, off-the-shelf laser diode, with an emission wavelength of 450 nm, for visible light communication, both in free space and for underwater scenarios. Data rates up to 15 Gbit/s have been achieved by making use of orthogonal frequency division multiplexing (OFDM). In addition, distributed feedback (DFB) lasers have been realised emitting at a single wavelength which lend themselves towards applications where high spectral purity is crucial such as atomic clocks or filtered free space transmission systems. These devices have the grating structure etched into the sidewall of the ridge and work is ongoing to measure the linewidth of these lasers with the intended application of cooling Sr+ ions.
| Original language | English |
|---|---|
| Title of host publication | 2018 20th International Conference on Transparent Optical Networks (ICTON) |
| Publisher | IEEE |
| ISBN (Electronic) | 978-1-5386-6605-0 |
| ISBN (Print) | 978-1-5386-6606-7 |
| DOIs | |
| Publication status | Published - 27 Sept 2018 |
| Event | 20th Anniversary International Conference on Transparent Optical Networks (ICTON 2018) - Library of University Politehnica Bucharest, Bucharest, Romania Duration: 1 Jul 2018 → 5 Sept 2018 http://icton2018.upb.ro/ |
Publication series
| Name | 2018 20th International Conference on Transparent Optical Networks (ICTON) |
|---|---|
| Publisher | IEEE |
| ISSN (Electronic) | 2161-2064 |
Conference
| Conference | 20th Anniversary International Conference on Transparent Optical Networks (ICTON 2018) |
|---|---|
| Abbreviated title | ICTON 2018 |
| Country/Territory | Romania |
| City | Bucharest |
| Period | 1/07/18 → 5/09/18 |
| Internet address |
Bibliographical note
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