Monolithically-integrated quantum dot optical power monitor

Baker, J., Albeladi, F., Gillgrass, S., Qiao, D., Allford, C. P. ORCID: https://orcid.org/0000-0002-3798-9014 and Smowton, P. M. ORCID: https://orcid.org/0000-0002-9105-4842 2025. Monolithically-integrated quantum dot optical power monitor. Presented at: IPC 2025, Singapore, 09-13 November 2025. Proceedings 2025 IEEE Photonics Conference (IPC). IEEE, 10.1109/ipc65510.2025.11282214

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Abstract

A monolithically-integrated quantum dot optical power monitor is presented. The device is a laser diode whereby a fraction of the laser emission is coupled into a photodiode section via a multi-mode interferometer. The resulting photocurrent is used to assess the applicability of photodiode designs.

Item Type:	Conference or Workshop Item - published (Paper)
Date Type:	Published Online
Status:	In Press
Schools:	Schools > Physics and Astronomy
Publisher:	IEEE
ISBN:	9798331525590
Date of First Compliant Deposit:	3 February 2026
Date of Acceptance:	3 November 2025
Last Modified:	03 Feb 2026 12:15
URI:	https://orca.cardiff.ac.uk/id/eprint/183548

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