Second harmonic generation in monolithic lithium niobate metasurfaces

L Carletti, C Li, J Sautter, I Staude, C De Angelis… - Optics …, 2019 - opg.optica.org
Second-order nonlinear metasurfaces have proven their ability to efficiently convert the
frequency of incident signals over subwavelength thickness. However, the availability of …

Enhancement of quantum cascade laser intersubband transitions via coupling to resonant discrete photonic modes of subwavelength gratings

M Mikulicz, M Rygała, T Smołka, M Janczak… - Optics …, 2023 - opg.optica.org
We present an optical spectroscopic study of InGaAs/AlInAs active region of quantum
cascade lasers grown by low pressure metal organic vapor phase epitaxy combined with …

Quantitative investigation on a period variation reduction method for the fabrication of large-area gratings using two-spherical-beam laser interference lithography

RR Nagaraj Rao, F Bienert, M Moeller, D Bashir… - Optics …, 2022 - opg.optica.org
Gratings produced by two-spherical-beam Laser Interference Lithography (LIL) will have a
nonuniform period, and the associated period variation is larger with the increase of the …

Electrically injected VCSEL with a composite DBR and MHCG reflector

M Gębski, JA Lott, T Czyszanowski - Optics Express, 2019 - opg.optica.org
We achieve the continuous-wave (CW) lasing of electrically-injected, first-of-their-kind
vertical-cavity surface-emitting lasers (VCSELs) that use a subwavelength monolithic high …

Resonant excitation analysis on asymmetrical lateral leakage of light in finite zero-contrast grating mirror

T Sang, X Yin, H Qi, J Gao, X Niu… - IEEE Photonics …, 2020 - ieeexplore.ieee.org
Resonant excitation analysis on asymmetrical lateral leakage of light in the finite zero-
contrast grating (ZCG) mirror is demonstrated, and the size effect of the excited source is …

Threshold performance of pulse-operating quantum-cascade vertical-cavity surface-emitting lasers

M Janczak, RP Sarzała, M Dems, A Kolek… - Optics …, 2022 - opg.optica.org
Quantum-cascade (QC) vertical-cavity surface-emitting lasers (VCSELs) could combine the
single longitudinal mode operation, low threshold currents, circular output beam, and on …

Monolithic high contrast grating on GaSb/AlAsSb based epitaxial structures for mid-infrared wavelength applications

A Schade, A Bader, T Huber, S Kuhn… - Optics …, 2023 - opg.optica.org
We demonstrate monolithic high contrast gratings (MHCG) based on GaSb/AlAs_0. 08Sb_0.
92 epitaxial structures with sub-wavelength gratings enabling high reflection of unpolarized …

Subwavelength grating as both emission mirror and electrical contact for VCSELs in any material system

T Czyszanowski, M Gebski, M Dems, M Wasiak… - Scientific reports, 2017 - nature.com
Semiconductor-metal subwavelength grating (SMSG) can serve a dual purpose in vertical-
cavity surface-emitting lasers (VCSELs), as both optical coupler and current injector. SMSGs …

Monolithic high-contrast grating planar microcavities

T Czyszanowski, M Gębski… - …, 2020 - degruyter.com
Semiconductor planar microcavities significantly enhance the interaction between light and
matter and are thus crucial as a fundamental research platform for investigations of quantum …

Monolithic high-contrast grating based polariton laser

S Kim, Z Wang, S Brodbeck, C Schneider… - Acs …, 2018 - ACS Publications
High-reflectance gratings promise new generations of vertical-cavity lasers that allow
flexible control of the lasing mode properties and better integration. To date, conventional …