Numerical simulation on the coherent time-critical 2–5μm supercontinuum generation in an As2S3 microstructured optical fiber with all-normal flat-top dispersion profile

Yan, Peiguang; Dong, Ruijuan; Zhang, Gelin; Li, Huiquani; Ruan, Shuangchen; Wei, Huifeng; Luo, Jie

doi:10.1016/j.optcom.2012.11.093

Cited by 38 publications

(17 citation statements)

References 25 publications

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“…For obtaining the intrinsic coherent property of super continuum generation, the PCFs with all-normal and flat-top dispersion are desirable. In this regard, various efforts have been done earlier to obtain all-normal flat-top dispersion in chalcogenide PCF [40][41][42].…”

Section: Introductionmentioning

confidence: 99%

“…A PCF design in chalcogenide glass has been presented with all-normal flat dispersion for applications in fiber lasers, pulse compression and multi-wavelength optical sources in the mid-infrared region [41]. Recently, a numerical simulation on the coherent time-critical SCG in As 2 S 3 -based chalcogenide microstructured fiber with all-normal flat-top dispersion profile has been carried out for 2-5 mm spectral range [42]. Mid-IR SC spectra spanning 1.795-6.525 mm has been achieved in 8 mm length of As 2 Se 3 nanofiber with input pulse energy of 100 nJ [43].…”

Section: Introductionmentioning

confidence: 99%

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Broadband mid-IR supercontinuum generation in As2Se3 based chalcogenide photonic crystal fiber: A new design and analysis

Saini

Kumar

Sinha

2015

Optics Communications

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Broadband mid-IR supercontinuum generation in As2Se3 based chalcogenide photonic crystal fiber: A new design and analysis

Saini

Kumar

Sinha

2015

Optics Communications

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“…[60][61] In the laser cavity, these SAs are usually pasted on fiber ferrules, or embedded in the air channels of photonic crystal fiber (PCF), 30,36,67,77,108,[119][120][121][122][123][124] or deposited on microfiber or side polished fiber (SPF). 56,58,59 The fiber ferrule-type SAs have inherently short nonlinear interaction length.…”

Section: Introductionmentioning

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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“…The small effective modal area exhibited by these fibers increases the Kerr nonlinear coefficient considerably, which makes them suitable for the investigation of many nonlinear applications. 22 Recently, in our previous work, we described in detail a new procedure for maximizing the bandwidth of SC generated in As 2 Se 3 chalcogenide nanofibers and the physics behind this procedure. However, SCG in PCF pumped at anomalous dispersion relies mainly on soliton dynamics, which largely degrade the coherence of continuum.…”

Section: Introductionmentioning

confidence: 99%

Two octaves spanning supercontinuum in highly nonlinear As₂Se₃nanophotonic crystal fiber for midinfrared applications

2015

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Downloaded From: http://nanophotonics.spiedigitallibrary.org/ on 08/22/2015 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx Abstract.A new design of all-normal and near-zero flattened dispersion based on chalcogenide nanophotonic crystal fiber (PCF) has been proposed to generate smooth and ultra-broadband supercontinuum (SC) in the midinfrared (IR) region. With the optimized geometric parameters, the As 2 Se 3 nano-PCF has been found to be suitable for two-octave supercontinuum generation (SCG). We designed a nano-PCF having a flat top dispersion curve with a maximum value of −2.3 [ps∕ðnm kmÞ] and a large nonlinear coefficient equal to 7250 ðW kmÞ −1 around the wavelength of 5.24 μm. By numerical simulations, we predict the generation of a very broadband SC in the mid-IR region extending from 2 to 10 μm in only 2-mm fiber lengths by using a femtosecond laser having a full-width at half-maximum of 50 fs and a relatively low energy of E ¼ 80 pJ. The generated SC demonstrates perfect coherence property over the entire bandwidth. SC generation extended into the mid-IR spectral region has potential usefulness in a variety of applications requiring a broad and mid-IR spectrum, such as WDM sources, fiber sensing, IR spectroscopy, fiber laser, and optical tomography coherence. Downloaded From: http://nanophotonics.spiedigitallibrary.org/ on 08/22/2015 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx Baili, Cherif, and Zghal: Two octaves spanning supercontinuum in highly nonlinear. Downloaded From: http://nanophotonics.spiedigitallibrary.org/ on 08/22/2015 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx Baili, Cherif, and Zghal: Two octaves spanning supercontinuum in highly nonlinear. Downloaded From: http://nanophotonics.spiedigitallibrary.org/ on 08/22/2015 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx Baili, Cherif, and Zghal: Two octaves spanning supercontinuum in highly nonlinear. Downloaded From: http://nanophotonics.spiedigitallibrary.org/ on 08/22/2015 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx Baili, Cherif, and Zghal: Two octaves spanning supercontinuum in highly nonlinear. Downloaded From: http://nanophotonics.spiedigitallibrary.org/ on 08/22/2015 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx Baili, Cherif, and Zghal: Two octaves spanning supercontinuum in highly nonlinear. Downloaded From: http://nanophotonics.spiedigitallibrary.org/ on 08/22/2015 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx Baili, Cherif, and Zghal: Two octaves spanning supercontinuum in highly nonlinear. Downloaded From: http://nanophotonics.spiedigitallibrary.org/ on 08/22/2015 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx Baili, Cherif, and Zghal: Two octaves spanning supercontinuum in highly nonlinear. Downloaded From: http://nanophotonics.spiedigitallibrary.org/ on 08/22/2015 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx Baili, Cherif, and Zghal: Two octaves spanning supercontinuum in highl...

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Numerical simulation on the coherent time-critical 2–5μm supercontinuum generation in an As2S3 microstructured optical fiber with all-normal flat-top dispersion profile

Cited by 38 publications

References 25 publications

Broadband mid-IR supercontinuum generation in As2Se3 based chalcogenide photonic crystal fiber: A new design and analysis

Broadband mid-IR supercontinuum generation in As2Se3 based chalcogenide photonic crystal fiber: A new design and analysis

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

Two octaves spanning supercontinuum in highly nonlinear As₂Se₃nanophotonic crystal fiber for midinfrared applications

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Numerical simulation on the coherent time-critical 2–5μm supercontinuum generation in an As2S3 microstructured optical fiber with all-normal flat-top dispersion profile

Cited by 38 publications

References 25 publications

Broadband mid-IR supercontinuum generation in As2Se3 based chalcogenide photonic crystal fiber: A new design and analysis

Broadband mid-IR supercontinuum generation in As2Se3 based chalcogenide photonic crystal fiber: A new design and analysis

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

Two octaves spanning supercontinuum in highly nonlinear As2Se3nanophotonic crystal fiber for midinfrared applications

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Product

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Two octaves spanning supercontinuum in highly nonlinear As₂Se₃nanophotonic crystal fiber for midinfrared applications