Balakier, K;
Fice, MJ;
Ponnampalam, L;
Graham, C;
Seeds, AJ;
Renaud, C;
(2017)
Monolithically integrated optical phase lock loop with 1 THz tuneability.
In:
Proceedings of the 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
IEEE: Cancun, Mexico.
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Abstract
We have demonstrated a monolithically integrated optical phase lock loop based on a foundry fabricated photonic integrated circuit. The InP chip contains PIN photodiodes integrated with a 1.5 μm DBR laser which can be phase stabilised with respect to an external optical reference tone at all wavelengths throughout its 1 THz (8 nm) tuning range. The frequency offset between the two lasers can be set to any value between 4 GHz and 12 GHz. The phase noise of the heterodyne signal is also reported. Such an OPLL, together with an optical frequency comb and broad-bandwidth photodetector, could be used for high purity, tuneable mm-wave / THz signal generation.
| Type: | Proceedings paper |
|---|---|
| Title: | Monolithically integrated optical phase lock loop with 1 THz tuneability |
| Event: | 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) |
| Location: | Cancun (Mexico) |
| Dates: | 27 August 2017 - 01 September 2017 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/IRMMW-THz.2017.8067102 |
| Publisher version: | https://doi.org/10.1109/IRMMW-THz.2017.8067102 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Laser tuning, Integrated optics, Distributed Bragg reflectors, Measurement by laser beam, Optical device fabrication, Optical mixing, Optical feedback |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10022677 |
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