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article

Multimode Fiber Raman Lasers Directly Pumped by Laser Diodes

Sergey A. Babin, Ekaterina A. Zlobina, Sergey I. Kablukov

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 10

Raman fiber lasers (RFLs) are usually based on single-mode fibers core-pumped by high-power rare-earth-doped fiber lasers with single transverse mode output that leads to a rather complicated design of RFLs. One of interesting possibilities to simplify the RFL design is its direct pumping by cheap and reliable high-power multimode laser diodes (LDs). It is attractive to use standard graded-index multimode...

article

Fiber Lasers of Prof. Okhotnikov: Review of the Main Achievements and Breakthrough Technologies

Regina Gumenyuk, Evgenia O. Okhotnikova, Valery Filippov, Dmitry A. Korobko, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 14

This review is dedicated to the scientific work of Professor Oleg G. Okhotnikov (April 8, 1951 to April 8, 2016), an inspired scientist who has made a significant contribution to the development of fiber lasers. Prof. Okhotnikov published more than 280 journal articles, 100 conference papers, and numerous patents, many of which represented pioneering work in the area of fiber lasers. This article...

article

Complete Field Characterization of Ultrashort Pulses in Fiber Photonics

Elena A. Anashkina, Alexey V. Andrianov, Maxim Yu. Koptev, Arkady V. Kim

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 7

We report a simple fiber-implemented technique for complete reconstruction of intensity profile and phase of ultrashort laser pulses based on processing only pulse spectrum and two self-phase modulated spectra measured after a short piece of optical fiber. Its applicability is shown on an example of a fiber optical system in the telecommunication range. A retrieval algorithm in a dispersionless approximation...

article

Mode-Locked Erbium-Doped Fiber Lasers Using 45° Tilted Fiber Grating

Tianxing Wang, Zhijun Yan, Qianqian Huang, Chuanhang Zou, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 6

We have systematically studied the 45° tilted fiber grating (45TFG) as a functional device for erbium-doped fiber laser (EDFL) mode locking. A number of 45TFGs with different polarization-dependent loss (PDL) have been fabricated. Mode-locked (EDFL) using these devices have been characterized in terms of threshold, pulse duration, signal-to-noise ratio, and spectral width. Our results show that a...

article

Octave Spanning Coherent Supercontinuum Comb Generation Based on Er-Doped Fiber Lasers and Their Characterization

Norihiko Nishizawa, Toshiki Niinomi, Yoshitaka Nomura, Lei Jin, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 9

Wideband, octave spanning, coherent supercontinuum (SC) with high flatness is very useful for many applications, but it has been difficult to achieve such ideal SC. In this paper, we investigated the octave spanning, coherent SC generation based on Er-doped ultrashort pulse fiber laser system. First, we developed a high power ultrashort pulse system using a single-wall carbon nanotube fiber laser...

article

Resonant SRS Filtering Fiber for High Power Fiber Laser Applications

Christophe A. Codemard, Natasha T. Vukovic, Jaclyn S. Chan, Paulo Jorge Almeida, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 9

We explore the properties of a novel stimulated Raman scattering (SRS) filtering fiber for high average or high peak optical power delivery applications. The fiber geometry is based on a series of circularly arranged high index rods embedded in a leaky silica cladding. The operation principle relies on the resonant coupling of the core and rod modes and the wavelength-dependent leaking of the structure...

article

High Average Power Thulium-Doped Silica Fiber Lasers: Review of Systems and Concepts

Alex Sincore, Joshua D. Bradford, Justin Cook, Lawrence Shah, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 8

Thulium-doped fiber lasers (TDFLs) have had the second highest growth in average output power next to ytterbium-doped fiber lasers. This has been enabled by access to high power, high brightness ∼790-nm pump diodes in conjunction with the cross-relaxation process that improves laser efficiency. While numerous high power TDFLs have been recently demonstrated, a 1-kW result from 2010 remains the highest...

article

Dynamics of Dispersive Wave and Regimes of Different Kinds of Sideband Generation in Mode-Locked Soliton Fiber Lasers

Yueqing Du, Xuewen Shu, Haoran Cao, Peiyun Cheng

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 8

We give a thoroughly theoretical and numerical investigation of sidebands generation in mode-locked soliton fiber lasers for the first time. A simple and reliable numerical method is proposed to separate the dispersive wave and soliton in the ultrashort pulse of a mode-locked fiber laser. We find that the dip-type sideband generation can be regarded as a locally destructive interference between the...

article

Asymptotically Single-Mode Hybrid Fiber for Dispersion Management Near 1 μm

Svetlana S. Aleshkina, Mikhail V. Yashkov, Mikhail M. Bubnov, Aleksey N. Guryanov, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 8

In this paper, we demonstrated the possibility of efficient dispersion management using a newly developed asymptotically single-mode hybrid fiber that has anomalous dispersion in the 1 μm spectral range. Of the few internal modes of the hybrid fiber, only one mode can propagate at a length longer than 6 m because of the mode's differential optical absorption. This feature was achieved by inserting...

article

Dissipative Rogue Waves Among Noise-Like Pulses in a Tm Fiber Laser Mode Locked by a Monolayer MoS2 Saturable Absorber

Pan Wang, Dake Hu, Kangjun Zhao, Liying Jiao, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 7

We report on the experimental and numerical investigations of dissipative rogue waves (DRWs) among noise-like pulses, in a thulium-doped fiber laser mode locked by a monolayer MoS₂ saturable absorber. By increasing the pumping power or weakening the effective cavity spectral filtering, the statistics distributions of the pulse events deviate from the Gaussian statistics to the L-shaped distributions...

article

Identification of Coherent and Incoherent Spectral Sidebands in an Ultrafast Fiber Laser

Meng Liu, Hong-Jie Chen, Ai-Ping Luo, Gui-Yao Zhou, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 6

Ultrafast fiber lasers, as the soliton pulse sources, offer great platforms for the investigations of soliton dynamics. Since both the coherent and incoherent spectral sidebands could be shown on the soliton spectrum, herein we proposed a method to identify them by using the dispersion Fourier transformation (DFT) technique. According to the principle of DFT technology, for the coherent spectral sidebands,...

article

Exploration in Performance Scaling and New Application Avenues of Superfluorescent Fiber Source

Jiangming Xu, Pu Zhou, Wei Liu, Jinyong Leng, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 10

Thanks to the unique properties such as spatially coherent, broadband emission spectrum, and high temporal stability, superfluorescent fiber source (SFS) has shown tremendous potential in wide applications of sensing, imaging, spectroscopy, and material processing. The fast development of active fiber and pump diode provides unprecedented opportunity for the performance scaling of SFS. In this paper,...

article

Continuous-Wave 3.1–3.6 μm Difference-Frequency Generation of Dual Wavelength-Tunable Fiber Sources in PPMgLN-Based Rapid-Tuning Design

Junqing Zhao, Fuqiang Jia, Yutong Feng, Johan Nilsson

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 8

We report on a single-frequency continuous wave (CW) difference-frequency generation (DFG) source based on single-frequency wavelength-tunable polarization-maintaining ytterbium- and erbium-doped fiber master oscillator–power amplifiers (MOPAs), acting as the pump and signal source, respectively, and a 40-mm long periodically poled MgO-doped LiNbO₃ (PPMgLN) crystal. Owing to the dual wavelength-tuning...

article

Tunable High-Power Q-Switched Fiber Laser Based on BP-PVA Saturable Absorber

Ruwei Zhao, Jingliang He, Xiancui Su, Yiran Wang, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 5

Black phosphors (BP) nano-materials have been extensively investigated in the past years. However, the character of easily oxidizable limits BP's stability. Here a long-term-stable tunable Q-switched fiber laser with BP polymer composite (polyvinyl alcohol, PVA) as saturable absorber is realized. The modulation depth and the saturation power intensity of the BP-PVA film are 8.3% and 7.9 MW/cm², respectively...

article

Multiwavelength Coherent Brillouin Random Fiber Laser With Ultrahigh Optical Signal-to-Noise Ratio

Liang Zhang, Yanping Xu, Song Gao, Bhavaye Saxena, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 8

A narrow-linewidth multiwavelength Brillouin random fiber laser (MW-BRFL) was experimentally demonstrated and characterized, which was achieved by mutually combining Brillouin amplification with randomly distributed Rayleigh feedback in optical fibers. By cascading process through a sub-fiber loop, up to six orders Stokes emissions simultaneously resonate in a coherent lasing fashion under the acoustic...

article

Passively Q-Switched and Mode-Locked Fiber Laser Based on an ReS2 Saturable Absorber

Dong Mao, Xiaoqi Cui, Xuetao Gan, Mingkun Li, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 6

Transition metal dichalcogenides, a family of two-dimensional material with unusual electronic, optical, mechanical, and electrochemical properties, have received much research attention in recent years. Here we demonstrate that, another type of few-layer transition metal dichalcogenides, rhenium disulfide (ReS₂) nanosheets display saturable absorption property at 1.55 μm. By incorporating the ReS...

article

8.3 mJ, 166 W Burst Mode Pulse Fiber Amplifier Based on a Q-Switched Mode-Locked Fiber Seed Laser

Haijuan Yu, Yaoyao Qi, Jingyuan Zhang, Shuzhen Zou, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 5

We report a 166 W burst mode pulse fiber amplifier seeded by a Q-switched mode-locked all-fiber laser at 1064 nm based on a fiber-coupled semiconductor saturable absorber mirror. With a pump power of 230 W at 976 nm, the output corresponds to a power conversion efficiency of 74%. The repetition rate of the burst pulse is 20 kHz, the burst energy is 8.3 mJ, and the burst duration is ∼ 20 μs, which...

article

Fiber Optofluidic Microlaser With Lateral Single Mode Emission

Chao-Yang Gong, Yuan Gong, Wei-Li Zhang, Yu Wu, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 6

We report a low threshold fiber optofluidic microlaser, based on a microstructured optical fiber (MOF). The particular MOF structure is used not only as the microfluidic channel for sampling the liquid gain, but also as a spectral filter to achieve the single mode emission. Lateral laser emission from the MOF is observed when 1 mM Rhodamine 6G in ethanol is sucked into the MOF by the capillary force...

article

Power Scaling of Linearly Polarized Random Fiber Laser

Long Huang, Jiangming Xu, Jun Ye, Xiaodong Liu, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 8

The power scaling of linearly polarized random fiber lasers (RFLs) is investigated in detail based on master oscillator power amplifier configuration. A 442-W linearly polarized output with a narrow 3-dB linewidth of 0.28 nm and a 621-W linearly polarized output with a relatively wider 3-dB linewidth of 2.7 nm are realized. Besides, near-diffraction-limited beam quality and high polarization extinction...

article

Widely Wavelength-Tunable Mid-Infrared Fluoride Fiber Lasers

Jun Liu, Man Wu, Bin Huang, Pinghua Tang, more

IEEE Journal of Selected Topics in Quantum Electronics > 2018 > 24 > 3 > 1 - 7

We demonstrate widely wavelength-tunable conti-nuous-wave (CW) and Q-switched Er³⁺-doped ZBLAN fluoride fiber lasers operating around 3 μm enabled by a volume Bragg grating (VBG). In the CW operation regime, a total wavelength tuning range of over 160-nm spanning from 2694 to 2854 nm has been achieved. For the Q-switched mode of operation, a slightly modified resonator configuration, incorporating...

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Multimode Fiber Raman Lasers Directly Pumped by Laser Diodes

Fiber Lasers of Prof. Okhotnikov: Review of the Main Achievements and Breakthrough Technologies

Complete Field Characterization of Ultrashort Pulses in Fiber Photonics

Mode-Locked Erbium-Doped Fiber Lasers Using 45° Tilted Fiber Grating

Octave Spanning Coherent Supercontinuum Comb Generation Based on Er-Doped Fiber Lasers and Their Characterization

Resonant SRS Filtering Fiber for High Power Fiber Laser Applications

High Average Power Thulium-Doped Silica Fiber Lasers: Review of Systems and Concepts

Dynamics of Dispersive Wave and Regimes of Different Kinds of Sideband Generation in Mode-Locked Soliton Fiber Lasers

Asymptotically Single-Mode Hybrid Fiber for Dispersion Management Near 1 μm

Dissipative Rogue Waves Among Noise-Like Pulses in a Tm Fiber Laser Mode Locked by a Monolayer MoS2 Saturable Absorber

Identification of Coherent and Incoherent Spectral Sidebands in an Ultrafast Fiber Laser

Exploration in Performance Scaling and New Application Avenues of Superfluorescent Fiber Source

Continuous-Wave 3.1–3.6 μm Difference-Frequency Generation of Dual Wavelength-Tunable Fiber Sources in PPMgLN-Based Rapid-Tuning Design

Tunable High-Power Q-Switched Fiber Laser Based on BP-PVA Saturable Absorber

Multiwavelength Coherent Brillouin Random Fiber Laser With Ultrahigh Optical Signal-to-Noise Ratio

Passively Q-Switched and Mode-Locked Fiber Laser Based on an ReS2 Saturable Absorber

8.3 mJ, 166 W Burst Mode Pulse Fiber Amplifier Based on a Q-Switched Mode-Locked Fiber Seed Laser

Fiber Optofluidic Microlaser With Lateral Single Mode Emission

Power Scaling of Linearly Polarized Random Fiber Laser

Widely Wavelength-Tunable Mid-Infrared Fluoride Fiber Lasers

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