Li, C., Guan, M., Hong, H., Chen, K., Wang, X., Ma, H., Wang, A., Li, Z., Hu, H., Xiao, J., Dai, J., Wan, X., Liu, K., Meng, S., & Dai, Q. (2023). Coherent ultrafast photoemission from a single quantized state of a one-dimensional emitter. Science advances, 9(41), Article adf4170. https://doi.org/10.1126/sciadv.adf4170
Li, Chi ; Guan, Mengxue ; Hong, Hao et al. / Coherent ultrafast photoemission from a single quantized state of a one-dimensional emitter. In: Science advances. 2023 ; Vol. 9, No. 41.
@article{7edc8c04b33a4c47932a1b6f6bc83cfc,
title = "Coherent ultrafast photoemission from a single quantized state of a one-dimensional emitter",
abstract = "Femtosecond laser-driven photoemission source provides an unprecedented femtosecond-resolved electron probe not only for atomic-scale ultrafast characterization but also for free-electron radiation sources. However, for conventional metallic electron source, intense lasers may induce a considerable broadening of emitting energy level, which results in large energy spread (>600 milli-electron volts) and thus limits the spatiotemporal resolution of electron probe. Here, we demonstrate the coherent ultrafast photoemission from a single quantized energy level of a carbon nanotube. Its one-dimensional body can provide a sharp quantized electronic excited state, while its zero-dimensional tip can provide a quantized energy level act as a narrow photoemission channel. Coherent resonant tunneling electron emission is evidenced by a negative differential resistance effect and a field-driven Stark splitting effect. The estimated energy spread is ∼57 milli-electron volts, which suggests that the proposed carbon nanotube electron source may promote electron probe simultaneously with subangstrom spatial resolution and femtosecond temporal resolution.",
author = "Chi Li and Mengxue Guan and Hao Hong and Ke Chen and Xiaowei Wang and He Ma and Aiwei Wang and Zhenjun Li and Hai Hu and Jianfeng Xiao and Jiayu Dai and Xiangang Wan and Kaihui Liu and Sheng Meng and Qing Dai",
note = "Publisher Copyright: {\textcopyright} 2023 The Authors.",
year = "2023",
month = oct,
doi = "10.1126/sciadv.adf4170",
language = "English",
volume = "9",
journal = "Science advances",
issn = "2375-2548",
publisher = "American Association for the Advancement of Science",
number = "41",
}
Li, C, Guan, M, Hong, H, Chen, K, Wang, X, Ma, H, Wang, A, Li, Z, Hu, H, Xiao, J, Dai, J, Wan, X, Liu, K, Meng, S & Dai, Q 2023, 'Coherent ultrafast photoemission from a single quantized state of a one-dimensional emitter', Science advances, vol. 9, no. 41, adf4170. https://doi.org/10.1126/sciadv.adf4170
Coherent ultrafast photoemission from a single quantized state of a one-dimensional emitter. / Li, Chi
; Guan, Mengxue; Hong, Hao et al.
In:
Science advances, Vol. 9, No. 41, adf4170, 10.2023.
Research output: Contribution to journal › Article › peer-review
TY - JOUR
T1 - Coherent ultrafast photoemission from a single quantized state of a one-dimensional emitter
AU - Li, Chi
AU - Guan, Mengxue
AU - Hong, Hao
AU - Chen, Ke
AU - Wang, Xiaowei
AU - Ma, He
AU - Wang, Aiwei
AU - Li, Zhenjun
AU - Hu, Hai
AU - Xiao, Jianfeng
AU - Dai, Jiayu
AU - Wan, Xiangang
AU - Liu, Kaihui
AU - Meng, Sheng
AU - Dai, Qing
N1 - Publisher Copyright:
© 2023 The Authors.
PY - 2023/10
Y1 - 2023/10
N2 - Femtosecond laser-driven photoemission source provides an unprecedented femtosecond-resolved electron probe not only for atomic-scale ultrafast characterization but also for free-electron radiation sources. However, for conventional metallic electron source, intense lasers may induce a considerable broadening of emitting energy level, which results in large energy spread (>600 milli-electron volts) and thus limits the spatiotemporal resolution of electron probe. Here, we demonstrate the coherent ultrafast photoemission from a single quantized energy level of a carbon nanotube. Its one-dimensional body can provide a sharp quantized electronic excited state, while its zero-dimensional tip can provide a quantized energy level act as a narrow photoemission channel. Coherent resonant tunneling electron emission is evidenced by a negative differential resistance effect and a field-driven Stark splitting effect. The estimated energy spread is ∼57 milli-electron volts, which suggests that the proposed carbon nanotube electron source may promote electron probe simultaneously with subangstrom spatial resolution and femtosecond temporal resolution.
AB - Femtosecond laser-driven photoemission source provides an unprecedented femtosecond-resolved electron probe not only for atomic-scale ultrafast characterization but also for free-electron radiation sources. However, for conventional metallic electron source, intense lasers may induce a considerable broadening of emitting energy level, which results in large energy spread (>600 milli-electron volts) and thus limits the spatiotemporal resolution of electron probe. Here, we demonstrate the coherent ultrafast photoemission from a single quantized energy level of a carbon nanotube. Its one-dimensional body can provide a sharp quantized electronic excited state, while its zero-dimensional tip can provide a quantized energy level act as a narrow photoemission channel. Coherent resonant tunneling electron emission is evidenced by a negative differential resistance effect and a field-driven Stark splitting effect. The estimated energy spread is ∼57 milli-electron volts, which suggests that the proposed carbon nanotube electron source may promote electron probe simultaneously with subangstrom spatial resolution and femtosecond temporal resolution.
UR - http://www.scopus.com/inward/record.url?scp=85175586709&partnerID=8YFLogxK
U2 - 10.1126/sciadv.adf4170
DO - 10.1126/sciadv.adf4170
M3 - Article
C2 - 37824625
AN - SCOPUS:85175586709
SN - 2375-2548
VL - 9
JO - Science advances
JF - Science advances
IS - 41
M1 - adf4170
ER -
Li C, Guan M, Hong H, Chen K, Wang X, Ma H et al. Coherent ultrafast photoemission from a single quantized state of a one-dimensional emitter. Science advances. 2023 Oct;9(41):adf4170. doi: 10.1126/sciadv.adf4170
