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physics.optics2024
Compact ultra-broadband light coupling on chip via nonadiabatic pumping
Weiwei Liu, Chijun Li, Bing Wang +9
Enlarging bandwidth capacity of the integrated photonic systems demands efficient and broadband light coupling among optical elements, which has been a vital issue in integrated ph…
physics.optics2023
Sub-ppb aerosol detection at a distance of 30 meters by millijoule femtosecond laser pulse filamentation in air
Jiewei Guo, Zhi Zhang, Nan Zhang +8
In this work, sub-ppb aerosol detection is achieved by femtosecond laser filament with a single pulse energy of 4 mJ at a distance of 30 m. A concave mirror with an open aperture o…