Generation of a 481-W Single Frequency and Linearly Polarized Beam by Coherent Polarization Locking

Ma, Pengfei; Zhang, Pu; Hu, Xiao; Ma, Yanxing; Su, Rongtao; Liu, Zejin

doi:10.1109/lpt.2013.2279480

Cited by 12 publications

(4 citation statements)

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“…1985-1988 Generation of a 481-W Single Frequency and Linearly Polarized Beam by Coherent Polarization Locking. Ma, P., +, LPT Oct. 1, 20131936-1938 Monolithic Integration of a High-Speed Widely Tunable Optical Coherent Receiver. Lu, M., +, LPT June 1, 2013 1077-1080 Narrow Linewidth of 633-nm DBR Ridge-Waveguide Lasers.…”

Section: Learning (Artificial Intelligence)mentioning

confidence: 99%

“…Singh, S., +, LPT Feb. 1, 2013 250-252 Generation of a 481-W Single Frequency and Linearly Polarized Beam by Coherent Polarization Locking. Ma, P., +, LPT Oct. 1, 20131936-1938 Generation of Seven-Line Optical Frequency Comb Based on a Single Polarization Modulator. Chen, C., +, 2164-2166 High-Power 1120-nm Yb-Doped Fiber Laser and Amplifier.…”

Section: Maximum Likelihood Estimationmentioning

confidence: 99%

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2013 Index IEEE Photonics Technology Letters Vol. 25

2013

IEEE Photon. Technol. Lett.

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This index covers all technical items -papers, correspondence, reviews, etc.-that appeared in this periodical during 2013, and items from previous years that were commented upon or corrected in 2013. Departments and other items may also be covered if they have been judged to have archival value.The Author Index contains the primary entry for each item, listed under the first author's name. The primary entry includes the coauthors' names, the title of the paper or other item, and its location, specified by the publication abbreviation, year, month, and inclusive pagination. The Subject Index contains entries describing the item under all appropriate subject headings, plus the first author's name, the publication abbreviation, month, and year, and inclusive pages. Note that the item title is found only under the primary entry in the Author Index.

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Section: Learning (Artificial Intelligence)mentioning

confidence: 99%

Section: Maximum Likelihood Estimationmentioning

confidence: 99%

2013 Index IEEE Photonics Technology Letters Vol. 25

2013

IEEE Photon. Technol. Lett.

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“…12) Based on the reimaging waveguide aperture-filling technique, more than 100 W power level had been presented in a four-channel system with an 80% combining efficiency. 14) The coherent polarization beam combining (CPBC) technique had been validated both in continuouswave operation [15][16][17][18][19] and a pulsed regime. 20,21) Recently, in the continuous-wave operation, we have validated the extendibility of the active CPBC system to eight fiber lasers, 18) and scaled the power of the CPBC system by employing two high-power fiber amplifiers.…”

mentioning

confidence: 99%

“…20,21) Recently, in the continuous-wave operation, we have validated the extendibility of the active CPBC system to eight fiber lasers, 18) and scaled the power of the CPBC system by employing two high-power fiber amplifiers. 19) In this work, we investigate further the power scalability of the CPBC system by utilizing four 200-W-level polarizationmaintained (PM) fiber amplifiers. With active phasing, a near diffraction-limited, 680 W coherently combined beam is generated with 75.2% combining efficiency.…”

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confidence: 99%

Coherent polarization beam combining of four 200-W-level fiber amplifiers

Ma¹,

Zhang²,

Wang³

et al. 2014

Appl. Phys. Express

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Four 200-W-level polarization-maintained fiber amplifiers are coaxially combined into a 680 W near-diffraction-limited beam by the active coherent polarization beam combining (CPBC) technique. The beam quality of the coherently combined beam is measured to be and , which exceeds those of three of the input amplifiers. Along with the power scaling of the main amplifiers, the combining efficiency of the system degrades from 89.3 to 75.2% in the experiment. The inefficiency of the system in the 50 W power level and full-power operation is quantitatively compared using the experimental results, which indicates that the inefficiency is mainly induced by the phase aberration mismatches of the input beams. Further potential power scaling by the CPBC technique is discussed and the crucial component of the system is investigated in the 3.2 kW power level.

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Development status of high power fiber lasers and their coherent beam combination

Liu

Jin

et al. 2019

Sci. China Inf. Sci.

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High-power fiber laser has been emerged great potential in a wide range of applications and becomes a robust candidate for high energy solid state laser system. To further increase the output brightness of single-channel fiber laser, high-brightness pump sources and high-power-handling passive components should be fabricated and utilized in the fiber laser systems, in addition to the advanced techniques for multiple nonlinear effects managements. The state-of-the-art high power fiber lasers are reviewed, in terms of narrow-linewidth fiber lasers, broadband fiber lasers and fiber lasers at 2 µm. Coherent beam combining is a promising technique to obtain higher output power while maintaining excellent beam quality simultaneously, which breaks through the bottlenecks of single-channel fiber laser. Based on a series of key techniques for coherent beam combining, high-power coherent beam combining of fiber lasers could be enabled with high combining efficiency. In this paper, we review the progress of high-power fiber lasers and their coherent beam combining in the recent decade, particularly the relevant work in our group. The future prospects of fiber lasers and coherent beam combining technique are also discussed.

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Generation of a 481-W Single Frequency and Linearly Polarized Beam by Coherent Polarization Locking

Cited by 12 publications

References 13 publications

2013 Index IEEE Photonics Technology Letters Vol. 25

2013 Index IEEE Photonics Technology Letters Vol. 25

Coherent polarization beam combining of four 200-W-level fiber amplifiers

Development status of high power fiber lasers and their coherent beam combination

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