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Two-section passively Mode-locked laser as a test for amplification and absorption parameters of a quantum well based InP optical amplifier at 1300 nm 测试基于量子阱的 InP 光放大器在 1300 纳米波长的放大和吸收参数的两段无源模式锁定激光器
IF 2.5 3区 工程技术 Q2 Engineering Pub Date : 2024-03-05 DOI: 10.1109/jqe.2024.3372583
J. Hazan, S. Tondini, A. Nassar, K.A. Williams, E.A.J.M. Bente
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引用次数: 0
Complex Pulse Profile Optimization by Chromatic Dispersion Management in Coupled Opto-Electronic Oscillator based on Semiconductor Optical Amplifier 通过基于半导体光放大器的耦合光电振荡器中的色散管理优化复杂脉冲轮廓
IF 2.5 3区 工程技术 Q2 Engineering Pub Date : 2024-03-04 DOI: 10.1109/jqe.2024.3372575
Alexis Bougaud, Arnaud Fernandez, Aliou Ly, Stéphane Balac, Olivier Llopis
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引用次数: 0
98 fs High Energy Stable Hybrid Mode-Locked Nonlinear Polarization Rotation With CuO-Doped ZnO Saturable Absorber 98 fs 高能稳定混合模式锁定非线性极化旋转与氧化铜掺杂氧化锌可饱和吸收体
IF 2.5 3区 工程技术 Q2 Engineering Pub Date : 2024-03-03 DOI: 10.1109/JQE.2024.3396425
H. Ahmad;M. A. M. Lutfi;M. Z. Samion;M. K. A. Zaini;N. Yusoff
The investigation of a fiber laser utilizing ytterbium-doped hybrid passively mode-locking, featuring a novel copper oxide-doped zinc oxide saturable absorber (CuO-ZnO SA), has been realized. The hybrid mode-locked (hybrid-ML) fiber laser integrates the nonlinear polarization rotation (NPR) technology with the CuO-ZnO-SA, producing remarkable characteristics with a central wavelength of 1045 nm, a 3-dB bandwidth spanning 18.26 nm, an ultra-short pulse width of 98 fs, a repetition frequency of 1.96 MHz, and an impressive signal-to-noise ratio of 51 dB. This research demonstrates a substantial enhancement in laser performance compared to NPR mode-locking alone. Notably, the pulse width experiences a significant compression, reduced by 39 fs, while the signal-to-noise ratio sees a noteworthy improvement of 11 dB. Furthermore, when contrasted with passively mode-locked pulse lasers relying solely on NPR technology, the hybrid passively mode-locked fiber laser attains a substantial reduction in output pulse width, surpassing 98 fs. These findings show the significant potential of the hybrid-ML system in the realm of ultrafast lasers, offering a promising avenue for future applications in cutting-edge research and technology.
研究人员利用新型氧化铜掺氧化锌可饱和吸收体(CuO-ZnO SA)实现了掺镱混合被动锁模光纤激光器。这种混合锁模(hybrid-ML)光纤激光器集成了非线性偏振旋转(NPR)技术和氧化铜-氧化锌可饱和吸收体(CuO-ZnO-SA),具有中心波长 1045 nm、3 dB 带宽 18.26 nm、超短脉冲宽度 98 fs、重复频率 1.96 MHz 和令人印象深刻的 51 dB 信噪比等显著特点。这项研究表明,与单独的 NPR 模式锁定相比,激光器的性能有了大幅提升。值得注意的是,脉冲宽度大幅压缩,减少了 39 fs,而信噪比则显著提高了 11 dB。此外,与完全依赖 NPR 技术的被动模式锁定脉冲激光器相比,混合被动模式锁定光纤激光器的输出脉冲宽度大幅缩短,超过了 98 fs。这些研究结果表明,混合 ML 系统在超快激光领域具有巨大潜力,为未来在尖端研究和技术领域的应用提供了广阔前景。
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引用次数: 0
Modeling the 3-Micron Class Er-Doped Fluoride Fiber Laser With a Cubic Energy Transfer Rate Dependence 建模 3 微米级掺铒氟化物光纤激光器的立方能量传输速率依赖性
IF 2.5 3区 工程技术 Q2 Engineering Pub Date : 2024-03-01 DOI: 10.1109/JQE.2024.3372580
William Bisson;Alexandre Michaud;Pascal Paradis;Réal Vallée;Martin Bernier
We propose an energy transfer model with a cubic atomic population dependence to accurately model the behavior of various reported high-power erbium-doped fluoride fiber lasers operating near 2.8 microns. We first show that the previously introduced weakly interacting (WI) and strongly interacting (SI) models are not adequate for precisely modeling such high-power erbium-doped fluoride fiber lasers. We compare results obtained with the WI and SI models to the proposed model by simulating 4 different highly doped (7 mol.%) fiber lasers previously reported in the literature. Laser efficiencies and powers are reproduced with great accuracy. In addition, four other fiber laser systems based on erbium concentrations varying from 1–6 mol.% are also simulated with good accuracy using the proposed model with the exact same set of spectroscopic parameters, which confirms its validity for various erbium doping concentrations. Redshifting of laser wavelength is also taken into account by considering the full cross section spectra and computing signal powers over several wavelength channels.
我们提出了一种具有立方原子群依赖性的能量传递模型,以精确模拟各种已报道的在 2.8 微米附近工作的高功率掺铒氟化物光纤激光器的行为。我们首先表明,之前引入的弱相互作用(WI)和强相互作用(SI)模型不足以精确模拟此类大功率掺铒氟化物光纤激光器。我们通过模拟先前在文献中报道的 4 种不同的高掺杂(7 mol.%)光纤激光器,将 WI 和 SI 模型获得的结果与所提出的模型进行了比较。激光效率和功率都得到了非常精确的再现。此外,使用所提出的模型和完全相同的光谱参数集,还精确地模拟了铒浓度为 1-6 摩尔%的其他四种光纤激光器系统,这证实了该模型对各种铒掺杂浓度的有效性。通过考虑全截面光谱和计算多个波长通道的信号功率,还考虑了激光波长的红移。
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引用次数: 0
High Sensitivity Characteristics of Tapered Fiber Plasmon Sensor With Gold Nanoparticles in 1500 nm Wavelength Band 带有金纳米粒子的锥形光纤等离子体传感器在 1500 纳米波段的高灵敏度特性
IF 2.5 3区 工程技术 Q2 Engineering Pub Date : 2024-02-22 DOI: 10.1109/JQE.2024.3366468
Masahiro Yamamoto;Tianpeng Ji;Aya Miyazaki;Yuichi Matsushima;Hiroshi Ishikawa;Katsuyuki Utaka
A tapered fiber plasmon sensor with a tip angle of about 30 degrees was fabricated to realize optical absorption and application to an optical sensor using localized plasmon in the 1500 nm wavelength band. The sharp tip angle of a single-mode fiber (SMF) was well controlled by using a highly GeO2-doped single-mode fiber (SMF) and optimizing the etching conditions with buffered fluoric acid. Gold nanoparticles (Au-NPs) with a diameter of 40 nm were deposited by treating the surface of a tipped SMF with silane coupling. The relationship between Au NPs deposition time and deposition ratio was studied to control Au NPs distribution and pursue higher sensitivities. The wavelength sensitivity of 662 nm/RIU was expected at Au NPs deposition ratio of 34.9 % in the analysis, and actually a high sensitivity of 677 nm/RIU at 35.3 % was experimentally demonstrated.
为了实现光吸收并将其应用于利用 1500 nm 波段局部等离子体的光学传感器,我们制作了一种尖端角度约为 30 度的锥形光纤等离子体传感器。通过使用高度掺杂 GeO2 的单模光纤(SMF)并优化缓冲氟酸的蚀刻条件,单模光纤(SMF)的尖角得到了很好的控制。通过硅烷偶联剂处理有尖端的单模光纤表面,沉积了直径为 40 nm 的金纳米粒子(Au-NPs)。研究了金纳米粒子沉积时间与沉积比例之间的关系,以控制金纳米粒子的分布,追求更高的灵敏度。分析结果表明,金氧化物沉积比率为 34.9% 时,波长灵敏度预计为 662 nm/RIU,而实验结果表明,金氧化物沉积比率为 35.3% 时,灵敏度高达 677 nm/RIU。
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引用次数: 0
Bandwidth Optimization and Fabrication of High-Power MUTC-PD 高功率 MUTC-PD 的带宽优化与制造
IF 2.5 3区 工程技术 Q2 Engineering Pub Date : 2024-02-20 DOI: 10.1109/JQE.2024.3367951
Xuejie Wang;Yongqing Huang;Shuhu Tan;Jiawei Du;Mingxi Yang;Kai Liu;Xiaofeng Duan;Xiaomin Ren
A high-speed and high-power modified uni-traveling-carrier photodiode (MUTC-PD) is optimized and fabricated. The optimization method takes carrier transport as the core and considers the hole transport time limited bandwidth of the MUTC-PD for the first time. Taking into account the impact of the electron transport time and RC time constant on device performance, the device is simulated and fabricated. In structure epitaxy, it is proposed to use graded doping to fit Gaussian doping to reduce the epitaxial growth error. The measured bandwidth of the MUTC-PD reaches 34 GHz and the RF output power reaches 17.1 dBm with the mesa diameter of $20~mu text{m}$ . In addition, the influence of modulation depth on high-speed and high-power performance is studied.
优化并制造了一种高速、高功率的改进型单向传输载流子光电二极管(MUTC-PD)。该优化方法以载流子传输为核心,首次考虑了 MUTC-PD 的空穴传输时间限制带宽。考虑到电子传输时间和 RC 时间常数对器件性能的影响,对器件进行了模拟和制作。在结构外延中,建议使用分级掺杂来拟合高斯掺杂,以减少外延生长误差。此外,还研究了调制深度对高速和大功率性能的影响。
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引用次数: 0
Self-Consistent Approach for Calculation of VCSEL Spectra Under Deep Microwave Current Modulation 计算深微波电流调制下 VCSEL 光谱的自洽方法
IF 2.5 3区 工程技术 Q2 Engineering Pub Date : 2024-02-20 DOI: 10.1109/JQE.2024.3367908
Alexander P. Bogatov;Alexander E. Drakin;Eugene A. Tsygankov;Maria I. Vaskovskaya;Dmitry S. Chuchelov;Kirill M. Sabakar;Vitaly V. Vassiliev;Sergey A. Zibrov;Vladimir L. Velichansky
We develop a self-consistent approach to calculate the spectra of the vertical-cavity surface-emitting lasers under a deep microwave modulation of the injection current. The treatment consists of solving a coupled system of equations for the concentration of electrons in the active medium and those for the amplitudes of spectral components derived from Maxwell’s equations. Their numerical solution demonstrates the specific asymmetry of experimental laser spectra under microwave modulation of the injection current. The presented method also accounts for the simultaneous modulation at multiple frequencies. We demonstrate that the laser spectrum can be controlled to some extent, namely, its carrier can be suppressed and the ratio of the first sidebands powers can be simultaneously changed by additional modulation of the injection current at doubled frequency. In addition, we show that the phase difference of these components is stable under variations of modulation parameters in a relatively wide range.
我们开发了一种自洽方法,用于计算垂直腔面发射激光器在注入电流的深微波调制下的光谱。该方法包括求解有源介质中电子浓度的耦合方程组,以及由麦克斯韦方程组导出的光谱分量振幅的耦合方程组。他们的数值解法证明了在微波调制注入电流的情况下,激光实验光谱的特殊不对称性。所提出的方法还考虑了多频率同时调制的情况。我们证明,激光光谱在一定程度上是可以控制的,即其载流子可以被抑制,第一边带功率的比值可以通过额外的双倍频率注入电流调制同时改变。此外,我们还证明了这些分量的相位差在相对较宽的调制参数变化范围内是稳定的。
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引用次数: 0
Freezing the Suspension of Laser Microcrystals—A New Way for Increasing the Luminescence Efficiency Response 冷冻激光微晶体悬浮液--提高发光效率响应的新方法
IF 2.5 3区 工程技术 Q2 Engineering Pub Date : 2024-02-14 DOI: 10.1109/JQE.2024.3366470
Mikhail A. Shevchenko;Sofia F. Umanskaya;Konstantin I. Zemskov;Nikolay V. Tcherniega;Anna D. Kudryavtseva
In this work, for the first time, the property of particles to form close-packed layer in front of the freezing interface was used to increase the luminescent efficiency response for ruby and titanium-sapphire microcrystals water suspensions. An increase in the efficiency of luminescence response due to an increase in the concentration of particles at the freezing front, can be used for phase transition sensing. In addition, particles packing by freezing method can be used for tuning random laser generation or increasing the efficiency of different nonlinear optical effects in suspensions of particles.
这项研究首次利用颗粒在冻结界面前形成紧密堆积层的特性来提高红宝石和钛蓝宝石微晶水悬浮液的发光效率。冷冻前沿颗粒浓度的增加可提高发光响应的效率,从而可用于相变传感。此外,利用冷冻法进行颗粒堆积还可用于调节随机激光的产生或提高颗粒悬浮液中不同非线性光学效应的效率。
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引用次数: 0
High Temperature Mid-Wave Infrared InAsSb Barrier Photodetectors 高温中波红外 InAsSb 势垒光电探测器
IF 2.5 3区 工程技术 Q2 Engineering Pub Date : 2024-02-13 DOI: 10.1109/JQE.2024.3365649
Ting Xue;Jianliang Huang;Yanhua Zhang;Wenquan Ma
We report on mid-wave infrared InAsSb photodetectors with high-barrier materials implemented in the depletion region. The devices exhibit promising performance at high temperature. At 160 K, the 50% cutoff wavelength is $4.18~mu text{m}$ , and the shot noise limited detectivity $D^{star} $ is $1.57times 10 ^{12}$ cm $cdot $ Hz $^{1/2}$ /W for the peak wavelength of $3.79~mu text{m}$ . At 300 K, the 50% cutoff wavelength is $4.70~mu text{m}$ , and the $D^{star} $ is $4.87times 10 ^{9}$ cm $cdot $ Hz $^{1/2}$ /W for the peak response wavelength of $4.15~mu text{m}$ . The dark current of the device is found to be dominated by the diffusion current rather than the generation-recombination current for the temperature range of 160–300 K. We also determine the Varshni parameters of the InAsSb material with varying strain, and the bandgap bowing parameters.
我们报告了在耗尽区采用高势垒材料的中波红外 InAsSb 光电探测器。这些器件在高温下表现出良好的性能。在 160 K 时,50% 截止波长为 $4.18~mu text{m}$,峰值波长为 $3.79~mu text{m}$时,射出噪声限检测率 $D^{star}$ 为 1.57/times 10 ^{12}$ cm $cdot $ Hz $^{1/2}$ /W。在 300 K 时,50%截止波长为 4.70~mu text{m}$,峰值响应波长为 4.15~mu text{m}$时,$D^{star}$ 为 4.87times 10 ^{9}$ cm $cdot $ Hz $^{1/2}$ /W。我们还确定了应变变化时 InAsSb 材料的 Varshni 参数以及带隙弯曲参数。
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引用次数: 0
Corrections to “Optical Pumping and Electrical Injection of a 3.6 μm Interband Cascade Laser” 对 "3.6 μm 带间级联激光器的光泵送和电注入 "的更正
IF 2.5 3区 工程技术 Q2 Engineering Pub Date : 2024-02-08 DOI: 10.1109/JQE.2024.3364628
Linda J. Olafsen;Kyler A. Stephens;Daniella R. DeVries
In the above article [1], Fig. 7(b) duplicates Fig. 6(b). The correct Fig. 7(b) is shown as follows.
在上述文章[1]中,图 7(b)重复了图 6(b)。正确的图 7(b) 如下所示。
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引用次数: 0
期刊
IEEE Journal of Quantum Electronics
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