Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Jonas Krakofsky"'
Autor:
Frederic Demmerle, Jochen Bissinger, Wolfhard Oberhausen, Dominik Burghart, Jonas Krakofsky, Hannes Schmeiduch, Gerhard Boehm, M.-C. Amann
Publikováno v:
IEEE Photonics Journal, Vol 9, Iss 3, Pp 1-9 (2017)
We present a single stack active region design for terahertz emission by difference frequency generation in quantum cascade lasers. The active region contains a single design, which is based on multiple optical transitions within one period. This res
Externí odkaz:
https://doaj.org/article/5a8ce514f99e45acb761362e9336337c
Autor:
Dominik Burghart, Jonas Krakofsky, Mikhail A. Belkin, Wolfhard Oberhausen, Kevin Zhang, Alexander Gardanow, Gerhard Boehm
Publikováno v:
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
Quantum cascade lasers (QCLs) are the light source of choice for many mid-infrared (mid-IR) applications. An active region (AR) of a typical InGaAs/AlInAs mid-IR QCL consist of 30-40 stages. The operating voltage of such devices is typically 8-12 V,
Autor:
Mikhail A. Belkin, Jonas Krakofsky, Nikita Nefedkin, Andrea Alù, Alexey Belyanin, Yongrui Wang, Ahmed Mekawy
Publikováno v:
Advanced Materials. :2106902
Engineered intersubband transitions in semiconductor heterostructures featuring multiple quantum wells (MQWs) have been shown to support record-high second-order nonlinear susceptibilities. By integrating these materials in metasurfaces with tailored
Autor:
M.-C. Amann, Hannes Schmeiduch, Gerhard Boehm, Jochen Bissinger, Wolfhard Oberhausen, Dominik Burghart, Frederic Demmerle, Jonas Krakofsky
Publikováno v:
IEEE Photonics Journal, Vol 9, Iss 3, Pp 1-9 (2017)
We present a single stack active region design for terahertz emission by difference frequency generation in quantum cascade lasers. The active region contains a single design, which is based on multiple optical transitions within one period. This res
Autor:
Wolfhard Oberhausen, G. Böhm, M.-C. Amann, A. Wolf, Frederic Demmerle, G. K. Veerabathran, Jonas Krakofsky, Dominik Burghart, Hannes Schmeiduch
Publikováno v:
2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
We present THz surface emission by difference frequency generation in nonlinear quantum cascade lasers operating at room temperature. The device comprises two separate, transversely superimposed gratings, one for selective feedback of the mid-infrare
Autor:
Jonas Krakofsky, Jochen Bissinger, G. Böhm, Frederic Demmerle, Wolfhard Oberhausen, Markus-Christian Amann, Hannes Schmeiduch
Publikováno v:
2016 IEEE Photonics Conference (IPC).
We present a novel design for a nonlinear quantum cascade laser emitting THz at room temperature. The device is based on a single active region design, providing both a giant nonlinearity optimized for difference frequency generation and ultra-broad
Autor:
Alexander Wolf, G. K. Veerabathran, Dominik Burghart, Wolfhard Oberhausen, G. Böhm, Hannes Schmeiduch, Frederic Demmerle, Markus-Christian Amann, Jonas Krakofsky
Publikováno v:
Optical Engineering. 57:1
We present terahertz (THz) surface emission by difference frequency generation in nonlinear quantum cascade lasers operating at room temperature. The device comprises two separate, transversely superimposed gratings, one for selective feedback for th