activity
20242026
collaborators

9 papers

physics.optics2026

Low optical loss electrical isolation for multi-section monolithic GaSb-based photonic circuits

Md Ajwaad Zaman Quashef, Nouman Zia, Jukka Viheriälä +1

Monolithic photonic integrated circuits (PICs) platforms exploiting III-V materials combine passive and active waveguide structures in multi-section optoelectronic device architect…

cond-mat.mes-hall2026

Telecom wavelength single-photon emission from quasi-resonantly excited InGaSb/AlGaSb quantum dots

Teemu Hakkarainen, Joonas Hilska, Arttu Hietalahti +10

Deterministic light sources capable of generating quantum states on-demand at wavelengths compatible with fiber optics and atmospheric transmission windows are essential for practi…

physics.app-ph2026

Infrared photonics for healthcare: A roadmap for proactive and predictive health management

Borislav Hinkov, Johannes Kunsch, Werner Mäntele +82

The field of infrared (IR) photonics is currently undergoing remarkable progress, moving rapidly towards practical sensing applications demanded by medical therapy and diagnostics…

physics.optics2026

Time-domain optical coherence tomography at 2 using GaSb-based broadband superluminescent diode

Ifte Khairul Aam Bhuiyan, Alejandro Martinez Jimenez, Ramona Cernat +8

We report a time-domain optical coherence tomography (TD-OCT) system operating in the 2 spectral region, enabled by a GaSb-based superluminescent diode (SLD). The sp…

physics.optics2025

Design of broadband optical gain in GaSb-based waveguide amplifiers with asymmetric quantum wells

Ifte Khairul Alam Bhuiyan, Joonas Hilska, Markus Peil +2

A design strategy for achieving broadband optical gain in GaSb-based semiconductor amplifiers operating beyond 2 μm is presented. By employing asymmetric GaInSb/AlGaAsSb quantum w…

quant-ph2025

Purcell-enhanced single-photon emission from InAs/GaAs quantum dots coupled to broadband cylindrical nanocavities

Abhiroop Chellu, Subhajit Bej, Hanna Wahl +16

On-chip emitters that can generate single and entangled photons are essential building blocks for developing photonic quantum information processing technologies in a scalable fash…