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1D photonic crystal direct bandgap GeSn-on- insulator laser   [2021]

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

Direct bandgap GeSn nanowires enabled with ultrahigh tension from harnessing intrinsic compressive strain   [2022]

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

Enhanced second-harmonic generation in strained germanium-on-insulator microdisks for integrated quantum photonic technologies   [2023]

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

Extended-SWIR GeSn LEDs with reduced footprint and efficient operation power   [2023]

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

High-precision wavelength tuning of GeSn nanobeam lasers via dynamically controlled strain engineering   [2023]

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

Optically pumped low-threshold microdisk lasers on a GeSn-on-insulator substrate with reduced defect density   [2022]

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

Short-wave infrared cavity resonances in a single GeSn nanowire   [2023]

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

Strong second-harmonic generation by sublattice polarization in non-uniformly strained monolayer graphene   [2023]

Lu, Kunze; Luo, Manlin; Gao, Weibo; Wang, Qi Jie; Sun, Hao; Nam, Donguk

Tensile strained direct bandgap GeSn microbridges enabled in GeSn-on-insulator substrates with residual tensile strain   [2023]

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

Ultrafast light emission at telecom wavelengths from a wafer-scale monolayer graphene enabled by Fabry-Perot interferences   [2022]

Lu, Kunze; Luo, Manlin; Wang, Yadong; Son, Bongkwon; Yu, Yi; Nam, Donguk