Temperature Dependence of Fiber-Format Multiwavelength Generation Process in Bulk MgO-PPLN Crystal Via High-Power Photonic Crystal Fiber Laser

Zhai, Kaili; Zhang, Shuanggen; Ma, Xu; Song, Youjian; Hu, Minglie; Wang, Qingyue; Zhang, Kailiang

doi:10.1109/jphot.2016.2536364

Cited by 3 publications

(1 citation statement)

References 15 publications

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“…Но стехиометрические кристаллы, выращенные из расплава с 58.6 mol% Li 2 O, характеризуются намного более сильным эффектом фоторефракции [3][4][5][6]. Легирование кристаллов магнием или цинком позволяет снизить эффект фоторефракции и уменьшить величину коэрцитивного поля (до 4.6 и 1.4 kV/mm для Mg и Zn соответственно [7,8]), что важно для создания материалов для преобразования лазерного излучения на периодически поляризованных доменах микронных и субмикронные размеров [9][10][11][12][13][14]. При этом лимитирующим фактором является наличие люминесценции.…”

Section: Introductionunclassified

Люминесцентные Свойства Нестехиометрических Кристаллов Ниобата Лития Различного Состава И Генезиса (Обзор)

Смирнов¹,

Сидоров²,

Палатников³

2022

Оптика И Спектроскопия

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A brief review of the features of the defect structure and studies of the luminescent properties of nonlinear optical lithium niobate crystals of various compositions and genesis was given. It was established that the electron-hole pair NbNb4+-O- in the oxygen-octahedral cluster NbO6 emitted in the short-wavelength region of the visible spectrum (400-500 nm), while point defects (VLi and NbNb4+-NbLi4+ bipolarons) - in the long-wavelength region (500-620 nm). At the ratio of Li/Nb≈1 the luminescence was extinguished in the visible region of the spectrum due to decreasing the intrinsic luminescence centers. It was shown that the presence of polaron luminescence in the near-IR region (700-1050 nm) was due to the small polarons NbLi4+ and impurity ions Cr3+ localized in lithium and niobium octahedra. The energy transfer between the luminescence centers in the visible and near-IR spectral regions was detected. Moreover, luminescence in near-IR regions was dominant. Doping of LiNbO3 crystals with zinc and magnesium at ZnO<4.46 mol.% and MgO<5.29 mol.% led to decreasing luminescence of intrinsic defects (VLi, NbNb4+-NbLi4+). However, there was an increase of the contribution of the short-wave spectrum component at higher dopant concentrations because of the introduction of Zn and Mg into the origin positions of Nb ions.

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Section: Introductionunclassified

Люминесцентные Свойства Нестехиометрических Кристаллов Ниобата Лития Различного Состава И Генезиса (Обзор)

Смирнов¹,

Сидоров²,

Палатников³

2022

Оптика И Спектроскопия

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Luminescence Properties of Non-Stoichiometric Lithium Niobate Crystals of Various Composition and Genesis (Review)

Smirnov,

Sidorov,

Palatnikov

2023

Opt. Spectrosc.

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Applications of photonic crystal fibers in optical communication

Kiroriwal

Singal

2022

Journal of Optical Communications

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Photonic crystal fiber is a category of optical fibers, getting great attention by its promise to offer a range of optical characteristics that are not achievable in conventional optical fibers. Engineered dispersion and nonlinear characteristics of photonic crystal fiber (PCF) make it an attractive candidate for nonlinear optics and advanced optical networking in the all-optical domain. An optical network consists of different optical components such as laser sources, amplifiers, regenerators, and convertors for proper signal transmission over long distances. In recent years, the performance of the components has been improving by employing the appealing properties of PCF. The PCF’s application on such components is discussed, and the simulated results on gain amplification, regeneration, conversion, fiber laser are reviewed. These developments reveal that the enhanced performance provided by PCF makes it suitable for different optics applications.

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Temperature Dependence of Fiber-Format Multiwavelength Generation Process in Bulk MgO-PPLN Crystal Via High-Power Photonic Crystal Fiber Laser

Cited by 3 publications

References 15 publications

Люминесцентные Свойства Нестехиометрических Кристаллов Ниобата Лития Различного Состава И Генезиса (Обзор)

Люминесцентные Свойства Нестехиометрических Кристаллов Ниобата Лития Различного Состава И Генезиса (Обзор)

Luminescence Properties of Non-Stoichiometric Lithium Niobate Crystals of Various Composition and Genesis (Review)

Applications of photonic crystal fibers in optical communication

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