摘要
Q-switched erbium doped fiber laser(EDFL)was passively realized using vanadium pentoxide(V_(2)O_(5))embedded into polyethylene glycol(PEG)film as saturable absorber(SA).The laser could successfully generate stable self-starting pulses when the V_(2)O_(5)film was placed in an EDFL cavity.It operated at 1562.4 nm wavelength.The repetition rate can be varied from 91.7 kHz to 128.2 kHz while the pulse width shrank from 10.90μs to 7.81μs with rising pump power from 110.9 mW to 166.5 mW.The pulse energy recorded was 3.2 nJ at pump power of 166.5 mW.The results indicate that the saturable absorption of V_(2)O_(5)has promising nonlinear photonic applications especially in fiber laser development for 1.5-μm region.
基金
the University of Malaya(No.ML001-2017B)
Airlangga University Research Grant(2021)
