14 citations · 27 across the 13 of their papers we have counts for
14 papers
Predictive wavelength tailoring of uniform GaSb-based quantum dots for emission at 1.55 um
Markus Peil, Maja Wasiluk, Ziemowit Olinkiewicz +11
A detailed study of emission wavelength tailoring of GaSb-based QDs formed by InGaSb-filling of droplet-etched nanoholes in AlGaSb is presented. The study shows that the emission w…
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…
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…
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 spe…
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 we…
Nonlinear Optical Microscopy of Semiconductor Metal-Nanocavities
Riya Varghese, Shambhavee Annurakshita, Yaraslau Tamashevich +13
We use second and third harmonic generation microscopy to investigate the nonlinear optical response of GaAs nanocavities embedded in a gold film and compare them to bare GaAs nano…
External busbars for improving current generation in multijunction solar cells
Marianna Vuorinen, Arto Aho, Elina Anttola +8
We report an improved device fabrication process employed in the development of an advanced front contact grid design employing external busbars. The advanced fabrication process r…
Electronic properties of metamorphic GaSbBi films on GaAs
Joonas Hilska, Janne Puustinen, Eero Koivusalo +1
We report on the electronic, structural, and optical properties of epitaxial GaSbBi films with varying Bi-concentration (up to 7%Bi) grown on semi-insulating GaAs(100) substrates.…
InP optical amplifiers with Euler U-bend waveguide geometry for low-loss flip-chip hybrid integration
Heidi Tuorila, Jukka Viheriälä, Lee Jae-Wung +4
We report on the development of InP-based semiconductor amplifiers with a U-bend waveguide geometry having the input and output ports on one facet only. This waveguide geometry sim…
Micro-transfer printing of GaSb optoelectronics chips for mid-infrared silicon photonics integrated circuits
Heidi Tuorila, Jukka Viheriälä, Yeasir Arafat +4
3D integration of GaSb-based gain chips on a silicon photonics platform using micro-transfer printing is demonstrated for the first time. The release process of GaSb coupons, and t…
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…
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…
Multi-type quantum well semiconductor membrane external-cavity surface-emitting lasers (MECSELs) for widely tunable continuous wave operation
Patrik Rajala, Philipp Tatar-Mathes, Hoy-My Phung +4
Membrane external-cavity surface-emitting lasers (MECSELs) are at the forefront of pushing the performance limits of vertically emitting semiconductor lasers. Their simple idea of…
VECSEL systems for quantum information processing with trapped beryllium ions
S. C. Burd, J. -P. Penttinen, P. -Y. Hou +8
Two vertical-external-cavity surface-emitting laser (VECSEL) systems producing ultraviolet (UV) radiation at 235 nm and 313 nm are demonstrated. The systems are suitable for quantu…