Details

Autor(en) / Beteiligte

• Albeladi, F T
• Gillgrass, S
• Nabialek, J
• Mishra, P
• Forrest, R
• Albiladi, T R
• Allford, C P
• Deng, H
• Tang, M
• Liu, H-Y
• Shutts, S
• Smowton, P M

Titel

Design and characterisation of multi-mode interference reflector lasers for integrated photonics

Ist Teil von

• Journal of physics. D, Applied physics, 2023-09, Vol.56 (38), p.384001

Ort / Verlag

IOP Publishing

Erscheinungsjahr

2023

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Abstract InAs quantum dot ridge waveguide lasers comprising single-port multi-mode-interference-reflectors (MMIR) and single-cleaved reflectors are designed, fabricated, and characterised, to demonstrate capability for optoelectronic-integrated-circuits. Simulations of an MMIR show high values of fundamental mode reflectivity ( > 80 % ) and good selectivity against higher order modes. Deep-etched MMIR lasers fabricated with 0.5 mm long cavities have a threshold current of 24 mA, compared to 75 mA for standard Fabry–Perot cleaved–cleaved FP-RWG lasers of the same length, both at 25 °C, and 56 mA compared to 102 mA at 55 °C. MMIR lasers exhibit stable ground state operation up to 50 °C and show promise as small footprint sources for integrated photonics.