Karl Unterrainer

Vienna, 1040, Austria

Last Updated: 09/26/2026

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Found 29 publications

Tunable comb operation in terahertz quantum cascade ring lasers.

Tunable comb operation in terahertz quantum cascade ring lasers.

Journal: Optics express
Published: November 11, 2025

Dynamic range limitations of non-coherent continous-wave THz photomixing systems with broadband detectors.

Dynamic range limitations of non-coherent continous-wave THz photomixing systems with broadband detectors.

Journal: Optics express
Published: November 22, 2024

Flexible terahertz gas sensing platform based on substrate-integrated hollow waveguides and an opto-electronic light source.

Flexible terahertz gas sensing platform based on substrate-integrated hollow waveguides and an opto-electronic light source.

Journal: Optics express
Published: May 09, 2023

Anomalous Temperature Effect in Weakly Coupled Superlattices: Carrier Transport in a THz Quantum Cascade Laser.

Anomalous Temperature Effect in Weakly Coupled Superlattices: Carrier Transport in a THz Quantum Cascade Laser.

Journal: Physical review letters
Published: March 13, 2023

Ultrabroadband Heterogeneous THz Quantum Cascade Laser.

Ultrabroadband Heterogeneous THz Quantum Cascade Laser.

Journal: ACS photonics
Published: August 02, 2022

Flexible terahertz opto-electronic frequency comb light source tunable over 3.5  THz.

Flexible terahertz opto-electronic frequency comb light source tunable over 3.5  THz.

Journal: Optics letters
Published: November 15, 2021

Deep learning control of THz QCLs.

Deep learning control of THz QCLs.

Journal: Optics express
Published: October 07, 2021

All-optical adaptive control of quantum cascade random lasers.

All-optical adaptive control of quantum cascade random lasers.

Journal: Nature communications
Published: November 25, 2019

Analysis of silicon nitride partial Euler waveguide bends.

Analysis of silicon nitride partial Euler waveguide bends.

Journal: Optics express
Published: November 06, 2019

Integrated silicon nitride organic hybrid DFB laser with inkjet printed gain medium.

Integrated silicon nitride organic hybrid DFB laser with inkjet printed gain medium.

Journal: Optics express
Published: November 06, 2019

Thermoelectric-cooled terahertz quantum cascade lasers.

Thermoelectric-cooled terahertz quantum cascade lasers.

Journal: Optics express
Published: September 13, 2019

Slot-Waveguide Silicon Nitride Organic Hybrid Distributed Feedback Laser.

Slot-Waveguide Silicon Nitride Organic Hybrid Distributed Feedback Laser.

Journal: Scientific reports
Published: September 08, 2019
Showing 1-12 of 29

Last Updated: 09/26/2026