Wavelength beam combining of ytterbium fiber lasers

Augst, Steven J.; Goyal, Anish K.; Aggarwal, R. L.; Fan, T. Y.; Sánchez, A.

doi:10.1364/ol.28.000331

Cited by 127 publications

(33 citation statements)

References 5 publications

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“…Wavelength beam combining of laser sources has been demonstrated for diode laser arrays [9,10] and fiber lasers [11]. In one form of WBC, the laser array elements are incorporated in an external cavity containing a diffraction grating and transform lens.…”

Section: Wavelength Beam Combiningmentioning

confidence: 99%

Beam combining of quantum cascade laser arrays

Lee¹,

Kansky²,

Goyal³

et al. 2009

Opt. Express

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Abstract:Wavelength beam combining was used to co-propagate beams from 28 elements in an array of distributed-feedback quantum cascade lasers (DFB-QCLs). The beam-quality product of the array, defined as the product of near-field spot size and far-field divergence for the entire array, was improved by a factor of 21 by using wavelength beam combining. To demonstrate the applicability of wavelength beam combined DFB-QCL arrays for remote sensing, we obtained the absorption spectrum of isopropanol at a distance of 6 m from the laser array. Bour, S. Corzine, G. Hofler, J. Faist, and F. Capasso, "Widely tunable single-mode quantum cascade laser source for mid-infrared spectroscopy," Appl. Phys. Lett. 91, 231101 (2007).

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Section: Wavelength Beam Combiningmentioning

confidence: 99%

Beam combining of quantum cascade laser arrays

Lee¹,

Kansky²,

Goyal³

et al. 2009

Opt. Express

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“…In the effort to achieve higher and higher laser output power and good quality beam, the coherent combination of solid-state lasers, or fiber lasers or fiber amplifiers have been demonstrated by several techniques [7][8][9][10][11]. Traditional diffraction-limited solidstate lasers run into serious thermal management problems with average power about a few hundred watts [7,8].…”

Section: Phase Locking Of a Laser Arraymentioning

confidence: 99%

“…Combination of light beams often appears in optical systems. Combination or coherent combination of laser beams and phase locking of a lase array are interesting problems [7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Non-tradition-employed lenses

Chen

Liu

2015

Optics Communications

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“…High power laser sources with high beam quality have been demonstrated by using complex coherent and spectral beam-combining techniques in external cavities [28][29][30][31][32][33][34][35]. In addition, incoherent beam-combining method [36,37] has been used to scale up the optical power by combining individual laser elements as well.…”

Section: Introductionmentioning

confidence: 99%

A Novel Technique for Designing High Power Semiconductor Optical Amplifier (SOA)-Based Tunable Fiber Compound-Ring Lasers Using Low Power Optical Components

2017

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A simple, stable and inexpensive dual-output port widely tunable semiconductor optical amplifier (SOA)-based fiber compound-ring laser structure is demonstrated. This unique nested ring cavity enables high optical power to split into different branches where amplification and wavelength selection are achieved by using low-power SOAs and a tunable filter. Furthermore, two Sagnac loop mirrors, which are spliced at the two ends of the compound-ring cavity not only serve as variable reflectors but also channel the optical energy back to the same port without using any high optical power combiner. We propose and discuss how the demonstrated fiber compound-ring laser structure can be extended in order to achieve a high power fiber laser source by using low power optical components, such as N × N couplers and (N > 1) number of SOAs. A coherent beam-combining efficiency of over 98% for two parallel nested fiber ring resonators is achieved over the C-band tuning range of 30 nm. Optical signal-to-noise ratio (OSNR) of +45 dB, and optical power fluctuation of less than ±0.02 dB are measured over three hours at room temperature.

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Wavelength beam combining of ytterbium fiber lasers

Cited by 127 publications

References 5 publications

Beam combining of quantum cascade laser arrays

Beam combining of quantum cascade laser arrays

Non-tradition-employed lenses

A Novel Technique for Designing High Power Semiconductor Optical Amplifier (SOA)-Based Tunable Fiber Compound-Ring Lasers Using Low Power Optical Components

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