463-MHz fundamental mode-locked fiber laser based on few-layer MoS_2 saturable absorber

Wu, Kan; Zhang, Xiaoyan; Wang, Jun; Chen, Jianping

doi:10.1364/ol.40.001374

Cited by 117 publications

(52 citation statements)

References 33 publications

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“…In 2014, another group of researchers further revealed its broadband saturable absorption and applied it to fiber lasers, realizing soliton mode‐locking, as shown in Figure d–f. These efforts have greatly promoted the development of few‐layer MoS 2 in mode‐locked lasers and achieved a lot of important results . Similar to MoS 2 , layered WS 2 also has a direct bandgap and exhibits excellent nonlinear optical properties .…”

Section: Versatile Pulsed Lasers Using 2d Layered Materialsmentioning

confidence: 99%

2D Layered Materials: Synthesis, Nonlinear Optical Properties, and Device Applications

Guo

Xiao

Wang

et al. 2019

Laser & Photonics Reviews

388

197

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In recent years, 2D layered materials, including graphene, topological insulators, transition metal dichalcogenides, black phosphorus, MXenes, graphitic carbon nitride, and metal‐organic frameworks, have attracted considerable interest due to their potential applications in the fields of physics, chemistry, biology, and energy. Their rise in the field of nonlinear photonics began around 2009 and has become an important research direction. Here, the synthesis techniques, nonlinear optical properties, integration strategies, and device applications of layered materials are reviewed. In terms of nonlinear optical properties, the focus is on saturable absorption and Kerr nonlinearity. On this basis, their applications in various pulsed lasers, including fiber lasers, solid‐state lasers, waveguide lasers, and related nonlinear optical phenomenon, are summarized. In addition, novel optical devices using layered materials, such as optical modulators, optical polarizers, optical switchers, and even all‐optical device, are also involved. It is believed that the development of 2D layered materials in the field of photonics will continue to deepen, thus laying a good foundation for its practical application.

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Section: Versatile Pulsed Lasers Using 2d Layered Materialsmentioning

confidence: 99%

2D Layered Materials: Synthesis, Nonlinear Optical Properties, and Device Applications

Guo

Xiao

Wang

et al. 2019

Laser & Photonics Reviews

388

197

View full text Add to dashboard Cite

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“…Timing jitter PSDs of both mode-locked oscillators and supercontinuum sources have been successfully measured with 2 × 10 −9 fs 2 /Hz noise floor (equivalent to −174 dBc/Hz phase noise floor at 10-GHz carrier), which is >25 dB lower than typical photodiode-based measurements19495051. Note that, although the noise floor is higher than the best optical cross-correlation method result, it is still comparable to typical performances of many optical cross-correlation measurements reported so far19525354.…”

Section: Discussionmentioning

confidence: 92%

Reference-free, high-resolution measurement method of timing jitter spectra of optical frequency combs

Kwon

Jeon

Shin

et al. 2017

Sci Rep

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Timing jitter is one of the most important properties of femtosecond mode-locked lasers and optical frequency combs. Accurate measurement of timing jitter power spectral density (PSD) is a critical prerequisite for optimizing overall noise performance and further advancing comb applications both in the time and frequency domains. Commonly used jitter measurement methods require a reference mode-locked laser with timing jitter similar to or lower than that of the laser-under-test, which is a demanding requirement for many laser laboratories, and/or have limited measurement resolution. Here we show a high-resolution and reference-source-free measurement method of timing jitter spectra of optical frequency combs using an optical fibre delay line and optical carrier interference. The demonstrated method works well for both mode-locked oscillators and supercontinua, with 2 × 10−9 fs2/Hz (equivalent to −174 dBc/Hz at 10-GHz carrier frequency) measurement noise floor. The demonstrated method can serve as a simple and powerful characterization tool for timing jitter PSDs of various comb sources including mode-locked oscillators, supercontinua and recently emerging Kerr-frequency combs; the jitter measurement results enabled by our method will provide new insights for understanding and optimizing timing noise in such comb sources.

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“…It was noted that no PC was inserted into the cavity for stabilizing the pulse, unlike that in Ref. 100. Also, the pump threshold was much lower than the mode-locking EDFL based on MoS 2 -PVA SA.…”

Section: Fiber-tip-integrated Ws 2 -Sam and Itsmentioning

confidence: 99%

“…Also, the pump threshold was much lower than the mode-locking EDFL based on MoS 2 -PVA SA. 100 This is because that the high reflection of narrowband FBG and WS 2 -SAM was beneficial to the rapid growth of cavity energy. As a fiber-integrated photonic device, this SAM also demonstrated well-thermal stability as the EDFLs worked at the maximum pump power.…”

Section: Fiber-tip-integrated Ws 2 -Sam and Itsmentioning

confidence: 99%

Fiber-integrated tungsten disulfide saturable absorber (mirror) for pulsed fiber lasers

Chen

Ruan

et al. 2016

Opt. Eng

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, "Fiber-integrated tungsten disulfide saturable absorber (mirror) for pulsed fiber lasers," Opt. Eng. 55 (8) Abstract. We propose two schemes for achieving tungsten disulfide (WS 2 )-based saturable absorber (SA) and saturable absorber mirror (SAM). By utilizing the pulsed laser deposition method, we grow the WS 2 film on microfiber to form an evanescent field interaction SA device. Incorporating this SA device into a common ring-cavity erbium-doped fiber (EDF) laser, stably passive mode-locking can be achieved with pulse duration of 395 fs and signal-to-noise ratio of 64 dB. We also produce a fiber tip integrated WS 2 -SAM by utilizing the magnetron sputtering technique (MST). This new type of SAM combines the WS 2 layer as SA and gold mirror as high reflective mirror. By employing the WS 2 -SAM, we construct the linear-cavity EDF lasers, and achieve passive mode-locking operation with pulse duration of ∼1 ns and SNR of ∼61 dB. We further achieve stably passive Q-switching operation with pulse duration of ∼160 ns and pulse energy of 54.4 nJ. These fiber-integrated SAs and SAMs have merits of compactness and reliability, paving the way for the development of new photonic devices such as SAs for pulsed laser technology.

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463-MHz fundamental mode-locked fiber laser based on few-layer MoS_2 saturable absorber

Cited by 117 publications

References 33 publications

2D Layered Materials: Synthesis, Nonlinear Optical Properties, and Device Applications

2D Layered Materials: Synthesis, Nonlinear Optical Properties, and Device Applications

Reference-free, high-resolution measurement method of timing jitter spectra of optical frequency combs

Fiber-integrated tungsten disulfide saturable absorber (mirror) for pulsed fiber lasers

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