Synthesis of fiber Bragg grating for gain-narrowing compensation in high-power Nd: Glass chirped pulse amplification system

Liu, Qiong; Ye, Qing; Pan, Zhengqing; Luo, Ai‐Ping; Cai, Haiwen; Qu, Ronghui; Fang, Zujie

doi:10.1016/j.yofte.2011.01.009

Cited by 6 publications

(2 citation statements)

References 21 publications

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“…Some extra-cavity spectral shaping methods, e.g. hybrid gain media with different spectral properties [5], fiber self-phase modulators [6] and superstructure fiber Bragg grating [7], have been applied in CPA chains to compensate for or alleviate gain narrowing effects. For broadband amplification to boost pulse energy up to sub-mJ or mJ level, regenerative amplifiers are usually used due to their high gains and excellent stabilities.…”

Section: Introductionmentioning

confidence: 99%

Intra-cavity spectral shaping based on optical rotatory dispersion in a broadband Ti : S regenerative amplifier

et al. 2015

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We theoretically present a passive method for intra-cavity spectral shaping in a broadband Ti : S regenerative amplifier on optical rotatory dispersion (ORD). Besides a polarization-dependent Ti : S gain crystal, implementing the method requires a broadband half-wave plate and a wedge pair made of an optical rotator crystal for an adjustable ORD. Our calculations show inducing proper ORD allows the amplifier to boost an 800 nm pulse from sub-nJ up to 3.18 mJ with a bandwidth of 94.5 nm without peak wavelength shift or spectral narrowing. For a certain ORD, this method allows us to get tunable broadband amplification with almost constant output pulse energy by simply rotating the half-wave plate. In spite of its flexibility in controlling the output spectrum of the amplifier, this method is very simple to align.

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Section: Introductionmentioning

confidence: 99%

Intra-cavity spectral shaping based on optical rotatory dispersion in a broadband Ti : S regenerative amplifier

et al. 2015

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“…Spectral shaping is very important for chirped pulse amplification (CPA) laser facilities to avoid gain narrowing during amplification in Ti:sapphire and Nd:glass amplifiers [1][2][3] . In recent years, several technologies have been studied to control the output spectral shape in optical parametric chirped pulse amplification (OPCPA)+CPA laser facilities, such as saturated gain, phase mismatch and so on [4][5][6][7][8] .…”

Section: Introductionmentioning

confidence: 99%

Spectral shaping of the amplified signal in optical parametric chirped pulse amplification

et al. 2015

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A spectral shaping method during the optical parametric chirped pulse amplification is presented. The relationship between the temporal shape of the signal pulse and the pump pulse is analyzed theoretically, which shows that the temporal shape of the signal pulse can be modulated through modulation of the pump pulse. This is proven by our verification experiment. And we have successfully used this method in the pre-amplifier of the XG-III laser facility to modulate the signal spectrum to match the requirements of the main amplifier.

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Towards high energy, minimum duration pulse in Yb-doped fiber CPA system by spectral shaping technique

Chang

Zhu

Yan

et al. 2021

Optik

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Synthesis of fiber Bragg grating for gain-narrowing compensation in high-power Nd: Glass chirped pulse amplification system

Cited by 6 publications

References 21 publications

Intra-cavity spectral shaping based on optical rotatory dispersion in a broadband Ti : S regenerative amplifier

Intra-cavity spectral shaping based on optical rotatory dispersion in a broadband Ti : S regenerative amplifier

Spectral shaping of the amplified signal in optical parametric chirped pulse amplification

Towards high energy, minimum duration pulse in Yb-doped fiber CPA system by spectral shaping technique

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