Investigation of micro- and nano-scale germanium-tin light sources towards realizing photonic-integrated circuits

by Kim, Youngmin
Published 2023

Extended-SWIR GeSn LEDs with reduced footprint and efficient operation power

by Atalla, Mahmoud R. M., Kim, Youngmin, Assali, Simone, Burt, Daniel, Nam, Donguk, Moutanabbir, Oussama
Published 2023

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

High-precision wavelength tuning of GeSn nanobeam lasers via dynamically controlled strain engineering

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

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

Short-wave infrared cavity resonances in a single GeSn nanowire

by Kim, Youngmin, Assali, Simone, Joo, Hyo-Jun, Koelling, Sebastian, Chen, Melvina, Luo, Lu, Shi, Xuncheng, Burt, Daniel, Ikonic, Zoran, Nam, Donguk, Moutanabbir, Oussama
Published 2023

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

Efficient avalanche photodiodes with a WSe₂/MoS₂ heterostructure via two-photon absorption

by Son, Bongkwon, Wang, Yadong, Luo, Manlin, Lu, Kunze, Kim, Youngmin, Joo, Hyo-Jun, Yi, Yu, Wang, Chongwu, Wang, Qi Jie, Chae, Sang Hoon, Nam, Donguk
Published 2023

Enhanced second-harmonic generation in strained germanium-on-insulator microdisks for integrated quantum photonic technologies

by Tan, James, Shi, Xuncheng, Lu, Kunze, Joo, Hyo-Jun, Kim, Youngmin, Chen, Melvina, Zhang, Lin, Tan, Chuan Seng, Lim, Khee Yong, Quek, Elgin, Nam, Donguk
Published 2023

All-around HfO₂ stressor for tensile strain in GeSn-on-insulator nanobeam lasers

by Joo, Hyo-Jun, Kim, Youngmin, Chen, Melvina, Burt, Daniel, Zhang, Lin, Son, Bongkwon, Luo, Manlin, Ikonic, Zoran, Lee, Chulwon, Cho, Yong-Hoon, Tan, Chuan Seng, Nam, Donguk
Published 2024

Triaxially strained suspended graphene for large-area pseudo-magnetic fields

by Luo, Manlin, Sun, Hao, Qi, Zhipeng, Lu, Kunze, Chen, Melvina, Kang, Dongho, Kim, Youngmin, Burt, Daniel, Yu, Xuechao, Wang, Chongwu, Kim, Young Duck, Wang, Hong, Wang, Qi Jie, Nam, Donguk
Published 2022

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