The route to a 200 MHz, all-PM femtosecond Yb-doped fiber laser with a high output coupling ratio

Zhao Zhang; Zhao Zhang; Tong Zhang; Tong Zhang; Zhiguo Lv; Ting Zhang; Ting Zhang; Haihao Cheng; Haihao Cheng; Xiaohong Hu; Ran Pan; Ye Feng; Yishan Wang

doi:10.1364/AO.472038

Applied Optics
Vol. 61,
Issue 28,
pp. 8475-8483
(2022)
•https://doi.org/10.1364/AO.472038

The route to a 200 MHz, all-PM femtosecond Yb-doped fiber laser with a high output coupling ratio

Zhao Zhang, Tong Zhang, Zhiguo Lv, Ting Zhang, Haihao Cheng, Xiaohong Hu, Ran Pan, Ye Feng, and Yishan Wang

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Zhao Zhang, Tong Zhang, Zhiguo Lv, Ting Zhang, Haihao Cheng, Xiaohong Hu, Ran Pan, Ye Feng, and Yishan Wang, "The route to a 200 MHz, all-PM femtosecond Yb-doped fiber laser with a high output coupling ratio," Appl. Opt. 61, 8475-8483 (2022)

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Related Topics
Table of Contents Category
- Lasers, Optical Amplifiers, and Laser Optics
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About this Article
History
- Original Manuscript: August 3, 2022
- Revised Manuscript: September 12, 2022
- Manuscript Accepted: September 12, 2022
- Published: September 27, 2022

Abstract

Based on the time-independent rate equations and nonlinear Schrödinger equation, we simulate a 200 MHz all-polarization-maintaining (PM) mode-locked Yb-doped fiber laser. The cavity round trip evolution toward stable mode locking is present. Additionally, the gain coefficients along the gain fiber as well as the pulses, chirp, and spectra at different locations in the cavity are examined. The effects of chirped fiber Bragg grating parameters on the pulse shape and spectrum profile are also investigated. According to the calculations, we experimentally realize a 200 MHz femtosecond fiber laser with 115 mW output power. The timing jitter and integrated relative intensity noise are measured as 158 fs (1 kHz to 10 MHz) and 0.0513% (1 Hz to 300 kHz), respectively. Eventually, an amplified average power of 610 mW and 79 fs compressed pulses with a peak power of approximately 28 kW are obtained. The exhibited all-PM femtosecond fiber laser system can be adopted as the foundation for an optical frequency comb.

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Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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Mode-Locking Mechanism	Repetition Rate (MHz)	All-Fiber Integrated Structure	Output Power (mW)
Nonlinear amplifying loop mirror (NALM) [11]	54.17	Yes	51
NALM [12]	750	No	630
Nonlinear polarization evolution (NPE) [13]	250	No	150
NALM [14]	131	No	6.3
SESAM [15]	90	Yes	N/A
NALM [16]	76	Yes	42
NPE [17]	66.1	Yes (polarization controllers were used)	46
NPE [18]	20.54	Yes	17.5
SESAM [19]	3000	No	53

Type	3 dB Bandwidth (nm)	Dispersion (ps/nm)	Peak Reflectivity
DMR-1030-20-6 ( $+ D 0.11 + 0)^{*}$	20	0.11	6%
DMR-1030-30-10 $(+ D 0.115 + 0)^{*}$	30	0.115	10%
DMR-1030-20-10 ( $+$ D0.155 $+$ 0)	20	0.155	10%
DMR-1030-20-15 ( $+ D 0.196 + 0)^{*}$	20	0.196	15%
DMR-1030-25-20 ( $+$ D0.25 $+$ 0)	25	0.25	20%
DMR-1030-20-20 ( $+$ D0.522 $+$ 0)	20	0.522	20%

Parameter	Value
$λ_{p}$	976 nm
$λ_{s}$	1030 nm
$Γ_{s}$ [29]	0.77
$Γ_{p}$ [29]	0.77
$N$	$2.65 \times 10^{25} m^{- 3}$
$σ_{ep}$	$2.616 \times 10^{- 24} m^{2}$
$σ_{ap}$
$σ_{a} (λ_{s})$	$4.88 \times 10^{- 26} m^{2}$
$σ_{e} (λ_{s})$	$6.26 \times 10^{- 25} m^{2}$
Total cavity length	0.5 m
Insertion loss of hybrid SESAM and WDM component	1.0 dB
$β_{2}$	$2.22 \times 10^{- 26} s^{2} / m$
$β_{3}$	$4.1 \times 10^{- 41} s^{3} / m$
$γ$	$4.16 \times 10^{- 3} (m \cdot W)^{- 1}$
YDF type	Nufern, PM-YSF-HI-HP
Passive fiber type	PM980
$A_{ns}$	20%
$A_{0}$	52%
$F_{s a t}$	$1.13 \times 10^{- 10} J$
$Δ R$	32%
$τ_{s}$	500 fs
Total pump power	240 mW

Mode-Locking Mechanism	Repetition Rate (MHz)	All-Fiber Integrated Structure	Output Power (mW)
Nonlinear amplifying loop mirror (NALM) [11]	54.17	Yes	51
NALM [12]	750	No	630
Nonlinear polarization evolution (NPE) [13]	250	No	150
NALM [14]	131	No	6.3
SESAM [15]	90	Yes	N/A
NALM [16]	76	Yes	42
NPE [17]	66.1	Yes (polarization controllers were used)	46
NPE [18]	20.54	Yes	17.5
SESAM [19]	3000	No	53

Type	3 dB Bandwidth (nm)	Dispersion (ps/nm)	Peak Reflectivity
DMR-1030-20-6 ( $+ D 0.11 + 0)^{*}$	20	0.11	6%
DMR-1030-30-10 $(+ D 0.115 + 0)^{*}$	30	0.115	10%
DMR-1030-20-10 ( $+$ D0.155 $+$ 0)	20	0.155	10%
DMR-1030-20-15 ( $+ D 0.196 + 0)^{*}$	20	0.196	15%
DMR-1030-25-20 ( $+$ D0.25 $+$ 0)	25	0.25	20%
DMR-1030-20-20 ( $+$ D0.522 $+$ 0)	20	0.522	20%

Abstract

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Applied Optics