Investigation of germanium and germanium-tin laser technologies towards electronic-photonic integrated circuits

by Jung, Yongduck
Published 2022

Strained germanium nanowire optoelectronic devices for photonic-integrated circuits

by Qi, Zhipeng, Sun, Hao, Luo, Manlin, Jung, Yongduck, Nam, Donguk
Published 2020

Systematic study on photoexcited carrier dynamics related to defects in GeSn Films with low Sn content at room temperature

by Son, Bongkwon, Zhang, Lin, Jung, Yongduck, Zhou, Hao, Nam, Donguk, Tan, Chuan Seng
Published 2021

Strain-relaxed GeSn-on-insulator (GeSnOI) microdisks

by Burt, Daniel, Joo, Hyo-Jun, Jung, Yongduck, Kim, Youngmin, Chen, Melvina, Huang, Yi-Chiau, Nam, Donguk
Published 2022

Enhanced GeSn microdisk lasers directly released on Si

by Kim, Youngmin, Assali, Simone, Burt, Daniel, Jung, Yongduck, Joo, Hyo-Jun, Chen, Melvina, Ikonic, Zoran, Moutanabbir, Oussama, Nam, Donguk
Published 2022

Optically pumped low-threshold microdisk lasers on a GeSn-on-insulator substrate with reduced defect density

by Jung, Yongduck, Burt, Daniel, Zhang, Lin, Kim, Youngmin, Joo, Hyo-Jun, Chen, Melvina, Assali, Simone, Moutanabbir, Oussama, Tan, Chuan Seng, Nam, Donguk
Published 2022

Biaxially strained germanium crossbeam with a high-quality optical cavity for on-chip laser applications

by Jung, Yongduck, Kim, Youngmin, Burt, Daniel, Joo, Hyo-Jun, Kang, Dong-Ho, Luo, Manlin, Chen, Melvina, Lin, Zhang, Tan, Chuan Seng, Nam, Donguk
Published 2021

Tensile strained direct bandgap GeSn microbridges enabled in GeSn-on-insulator substrates with residual tensile strain

by Burt, Daniel, Zhang, Lin, Jung, Yongduck, Joo, Hyo-Jun, Kim, Youngmin, Chen, Melvina, Son, Bongkwon, Fan, Weijun, Ikonic, Zoran, Tan, Chuan Seng, Nam, Donguk
Published 2023

GeSn/Ge multiquantum-well vertical-cavity surface-emitting p-i-n structures and diode emitters on a 200 mm Ge-on-insulator platform

by Chen, Qimiao, Jung, Yongduck, Zhou, Hao, Wu, Shaoteng, Gong, Xiao, Huang, Yi-Chiau, Lee, Kwang Hong, Zhang, Lin, Nam, Donguk, Liu, Jian, Luo, Jun-Wei, Fan, Weijun, Tan, Chuan Seng
Published 2023

Low-threshold optically pumped lasing in highly strained germanium nanowires

by Bao, Shuyu, Kim, Daeik, Onwukaeme, Chibuzo, Gupta, Shashank, Saraswat, Krishna, Lee, Kwang Hong, Kim, Yeji, Min, Dabin, Jung, Yongduck, Qiu, Haodong, Wang, Hong, Fitzgerald, Eugene A., Tan, Chuan Seng, Nam, Donguk
Published 2018

1D photonic crystal direct bandgap GeSn-on- insulator laser

by Joo, Hyo-Jun, Kim, Youngmin, Burt, Daniel, Jung, Yongduck, Zhang, Lin, Chen, Melvina, Parluhutan, Samue Jior, Kang, Dong-Ho, Lee, Chulwon, Assali, Simone, Ikonic, Zoran, Moutanabbir, Oussama, Cho, Yong-Hoon, Tan, Chuan Seng, Nam, Donguk
Published 2022

Direct bandgap GeSn nanowires enabled with ultrahigh tension from harnessing intrinsic compressive strain

by Burt, Daniel, Joo, Hyo-Jun, Kim, Youngmin, Jung, Yongduck, Chen, Melvina, Luo, Manlin, Kang, Dong-Ho, Assali, Simone, Zhang, Lin, Son, Bongkwon, Fan, Weijun, Moutanabbir, Oussama, Ikonic, Zoran, Tan, Chuan Seng, Huang, Yi-Chiau, Nam, Donguk
Published 2022

Pseudo-magnetic field-induced slow carrier dynamics in periodically strained graphene

by Kang, Dong-Ho, Sun, Hao, Luo, Manlin, Lu, Kunze, Chen, Melvina, Kim, Youngmin, Jung, Yongduck, Gao, Xuejiao, Parluhutan, Samuel Jior, Ge, Junyu, Koh, See Wee, Giovanni, David, Sum, Tze Chien, Wang, Qi Jie, Li, Hong, Nam, Donguk
Published 2022