Generation of 131 fs mode-locked pulses from 2.8 μm Er:ZBLAN fiber laser

Hongan Gu; Zhipeng Qin; Guoqiang Xie; Ting Hai; Peng Yuan; Jingui Ma; Liejia Qian

doi:10.3788/COL202018.031402

Chinese Optics Letters, Volume. 18, Issue 3, 031402(2020)

Generation of 131 fs mode-locked pulses from 2.8 μm Er:ZBLAN fiber laser Editors' Pick

Hongan Gu, Zhipeng Qin, Guoqiang Xie^*, Ting Hai, Peng Yuan, Jingui Ma, and Liejia Qian

School of Physics and Astronomy, Key Laboratory for Laser Plasmas (Ministry of Education), Collaborative Innovation Center of IFSA (CICIFSA), Shanghai Jiao Tong University, Shanghai 200240, China

show less

Figures & Tables(6)

Fig. 1. Experimental setup of an NPR mode-locked Er:ZBLAN fiber laser. LD, laser diode; $L_{1}$ , plano-convex lens ( $f = 10 mm$ ); $L_{2}$ and $L_{3}$ , aspheric ZnSe lenses ( $f = 12.7 mm$ ); DM, dichroic mirror; Ge, germanium plate; OC, output coupler ( $T = 40 %$ ); $λ / 2$ , half-wave plate; $λ / 4$ , quarter-wave plate; ISO, polarization-dependent optical isolator.

Download full size

View in Article

Fig. 2. (a) Measured mode-locked pulse trains using a 1.61 m Er:ZBLAN fiber. (b) Fundamental beat RF spectrum. Inset: harmonic beats RF spectrum. RBW, resolution bandwidth.

Download full size

View in Article

Fig. 3. (a)–(c) Pulse durations and (d)–(f) spectra obtained from mode-locked Er:ZBLAN fiber lasers with different gain fiber lengths of 2.47 m, 1.92 m, and 1.61 m, respectively.

Download full size

View in Article

Fig. 4. Measurement results of beam quality.

Download full size

View in Article

Fig. 5. (a) Calculated pulse profile and (b) spectrum with a fiber length of 1.6 m. (c) Pulse duration variation with the length of Er:ZBLAN gain fiber.

Download full size

View in Article

Table 1. Mode-Locking Experimental Results with Three Different Gain Fiber Lengths (L=2.47, 1.92, and 1.61 m)

View table

View in Article

Table 1. Mode-Locking Experimental Results with Three Different Gain Fiber Lengths (L=2.47, 1.92, and 1.61 m)

Length (m)	Threshold (W)	Pump Power (W)	Average Power (mW)	Rep. Rate (MHz)	Pulse Energy (nJ)	Duration (fs)	Peak Power (kW)
2.47	5.28	6.42	245	69.97	3.06	202	15.15
1.92	5.45	7.45	289	91.93	3.15	180	17.50
1.61	6.79	9.36	317	106.67	2.97	131	22.68

Tools

Get Citation

Copy Citation Text

Hongan Gu, Zhipeng Qin, Guoqiang Xie, Ting Hai, Peng Yuan, Jingui Ma, Liejia Qian, "Generation of 131 fs mode-locked pulses from 2.8 μm Er:ZBLAN fiber laser," Chin. Opt. Lett. 18, 031402 (2020)

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Lasers and Laser Optics

Received: Oct. 23, 2019

Accepted: Dec. 11, 2019

Posted: Dec. 12, 2019

Published Online: Mar. 10, 2020

The Author Email: Guoqiang Xie (xiegq@sjtu.edu.cn)

DOI:10.3788/COL202018.031402

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology