Single-output InAs Quantum Dot DFB Laser using integrated MMIR for photonic applications

Albeladi, F., Gillgrass, S., Albittar, N., Power, S., Salmond, B., Allford, C. P. ORCID: https://orcid.org/0000-0002-3798-9014 and Smowton, P. M. ORCID: https://orcid.org/0000-0002-9105-4842 2025. Single-output InAs Quantum Dot DFB Laser using integrated MMIR for photonic applications. Presented at: IPC 2025, Singapore, 09-13 November 2025. 2025 IEEE Photonics Conference (IPC). IEEE, 10.1109/ipc65510.2025.11282162

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Abstract

We present monolithically integrated InAs-QD DFB lasers with a high-reflectivity multimode interference reflector (MMIR) for single-facet emission. The devices demonstrate stable single-mode operation at 1310 nm with high SMSR in range of 46 dB, validating suitability for scalable photonic integrated circuit applications.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Published Online
Status:	In Press
Schools:	Schools > Engineering
Publisher:	IEEE
ISBN:	979-8-3315-2559-0
Date of First Compliant Deposit:	6 January 2026
Date of Acceptance:	3 November 2025
Last Modified:	06 Jan 2026 11:00
URI:	https://orca.cardiff.ac.uk/id/eprint/183554

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