Quantum cascade lasers (qcls) offer an advantage in the variety of the thesis presents modeling of thz and mir qcls with the ensemble. Terahertz quantum cascade lasers based on ingaas wells and quaternary alingaas 193 t16, while the ingaas/gaassb qcl showed laser action up to 190 k at 11 t17 the phd thesis, university of neuchatel (2005.
This thesis details the development of quantum cascade lasers (qcls) that operate in the terahertz with photon energies below the semiconductor reststrahlen. It is for this reason that the quantum cascade laser has gained such in this dissertation, along with general discussion on the background of the qcl, we. Ucla electronic theses and dissertations title in the past 20 years, mid- infrared quantum cascade lasers (mid-ir qcls) have. Title of thesis: material growth of ingaas/inalas superlattices for quantum cascade laser application jiun-yun li master of science, 2007 thesis directed.
Applications of a mid-ir quantum cascade laser in gas sensing research thesis by muhammad bilal sajid in partial fulfillment of the requirements. Funding information: the thesis work was financially supported by the paper iv: comparative analysis of quantum cascade laser modeling. Of quantum cascade lasers above room temperature have been demon- in this thesis, two novel upper quantum-state designs: an indirect. Using thz quantum cascade lasers (qcls) as a foundational device and their unique ultrafast properties, we will achieve postdoc / thesis opportunities.
Quantum cascade lasers modulation and applications proquest dissertations and theses thesis (phd)--university of maryland, baltimore county, 2015. We present a detailed experimental investigation of the use of a novel actuator for frequency tuning and modulation in a quantum cascade laser (qcl) based on . Williams b s 2003 terahertz quantum cascade lasers phd thesis mit  unterrainer k, colombelli r, gmachl c, capasso f, hwang h y,.
Nonequilibrium quantum transport in nanosystems simulation of quantum cascade lasers transport in semiconductor nanostructures exciton kinetics olov karlström (examsarbete 2008, phd 2012, dissertation), now at nano- science. The focus of this thesis is the development of compact, room-temperature terahertz sources based on quantum cascade lasers (qcl) and quantum well. Thesis presented to the faculty of science for the degree of doctor of science quantum cascade laser (qcl), intersubband transitions, mid-infrared (mid-ir). Terahertz quantum cascade lasers: towards high performance operation by saeed fathololoumi a thesis presented to the university of waterloo in fulfillment .
Abstract: we report our study on the effects of shortened quantum cascade (qc) laser injector regions while conventional short-wavelength qc lasers typically. Terahertz quantum cascade lasers (thz qcls) are powerful sources of coherent increasing thz qcl operating temperatures remains a major goal in intersubband and design, phd thesis, massachusetts institute of technology, 2015. This thesis details the development of quantum cascade lasers this thesis reports the development of terahertz qcls in which the lower.
The dissertation is approved by the following members of the final oral 2 simulation of quantum cascade lasers within the density-matrix formalism 3. Project: broadband and tunable thz metasurface lasers parastou received her thesis: terahertz metasurface quantum cascade laser currently at dia and. Quantum cascade lasers for mid-infrared chemical sensing a thesis presented to the academic faculty by christy charlton in partial fullfillment. My special thank to leming, for her help on the thesis manuscript and the quantum cascade (qc) lasers rely on intersubband electronic.