Welcome!
アファリヤ ジェシカ の HP
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Hello! My name is Jessica Afalla.
I am an Assistant Professor at the Faculty of Pure and Applied Sciences, at the University of Tsukuba.
I develop and utilize optical and terahertz spectroscopy to characterize interesting materials such as semiconductors, nanostructures, and sometimes organic nanocomposites. The goal is to understand carrier dynamics - where and how fast charge carriers move in a material. This determines the compatibility of a specifically designed material to its target application.
Keywords: carrier dynamics, terahertz, pump-probe spectroscopy, GaAs, semiconductors, photoconductivity, ultrafast
UPDATE:
2023/09/30 Dr. Afalla has retired from the University of Tsukuba and is taking a career break. :) Thank you very much for your support!
News! 2023/04/24 Our paper "Terahertz emission from transient currents and coherent phonons in layered MoSe2 and WSe2" was published in J. Appl. Phys. under the Special Collection: Semiconductor Physics: Plasma, Thermal, Elastic, and Acoustic Phenomena. You can access the manuscript here:
Congratulations! 2023/02/02 Ms. Chiho Yamada successfully defended her Bachelor's Thesis ”Improved detection sensitivity in terahertz emission spectroscopy for transition metal dichalcogenides"
NEWS! 2022/8/15 Our paper "Creating Terahertz Pulses from Titanium-doped Lithium Niobate-based Strip Waveguides with 1.55um Light" was accepted in J. Mater. Sci. Mater. Electron. ! You can access the manuscript here: https://doi.org/10.1007/s10854-021-06802-9
NEWS! 2021/05/26 Our paper "Effect of heteroepitaxial growth on LT-GaAs: ultrafast optical properties" is now formally accepted in J. Phys. Cond. Matt. and assigned a DOI. Access the accepted manuscript here: https://doi.org/10.1088/1361-648X/ac04cc
On March 2021 we completed a small THz time domain spectrometer at the Ultrafast Science Lab, using a fast-scan system. Shown on the left is the first THz pulse measured. Still a lot of things to be done, but the new academic year is off to a good start!
Past News:
(info 01/15/2021) Research theme for undergraduate thesis advising: "Terahertz spectroscopy of transition metal dichalcogenides"
(news! 09/22/2020) Our paper was featured in Compound Semiconductors Magazine: click here for the article.
(news! 09/21/2020) I was featured in Future is SciGirls: click here.
Contact Information:
Contact Information:
Dr. Jessica Pauline C. Afalla
Faculty of Pure and Applied Sciences
University of Tsukuba, Tennodai 1-1-1
Tsukuba 305-8573, Japan
アファリア ジェシカ
３０５−８５７３
茨城県つくば市
天王台１−１−１
筑波大学 数理物質系
Ang tinig namin, sana'y inyong dinggin. Malayong lupain, amin mang marating. Di rin magbabago ang damdamin. Mabuhay ang pag-asa ng bayan.
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