Generation of multiorder Stokes and anti-Stokes lines in a Brillouin erbium-fiber laser with a Sagnac loop mirror

Lim, Dong Sung; Lee, H. K.; Kim, K. H.; Kang, Seung Beom; Ahn, Jaewook; Jeon, Min Yong

doi:10.1364/ol.23.001671

Cited by 72 publications

(16 citation statements)

References 6 publications

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“…is the fraction of population inversion, represented as follows: (4) where is the fiber saturation power. These parameters above describe the interaction between light and the erbium ions population inversion, and their detailed definitions can be referred to [22].…”

Section: Numerical Simulationsmentioning

confidence: 99%

Low-Threshold, Single-Mode, Compact Brillouin/Erbium Fiber Ring Laser

Chen

Zhang

Zhou

2013

J. Lightwave Technol.

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In this paper, we derive a numerical model to analyze the compact Brillouin/erbium fiber laser with a short commercialized normal erbium-doped fiber (EDF) as both the Brillouin and linear gain media. The effects of the 980 nm pump power, the Brillouin pump power, the EDF length, and the output coupling ratio on the BEFL output power characteristics are simulated. The theoretical results predict that a short commercialized normal EDF is capable for a high-power low-threshold compact BEFL. Based on the theoretical analyses, a BEFL using only 4 m normal EDF as the gain medium is designed and constructed. The measured results demonstrate that this BEFL presents low pump threshold ( ), high output power ( ), single-mode operation and low relative intensity noise ( ). This BEFL shows potential applications in distributed Brillouin fiber sensors, interferometric fiber sensors, and coherent optical communications, etc.Index Terms-Brillouin/erbium fiber laser, Erbium-doped fiber, single-mode fiber laser, stimulated Brillouin scattering.

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Section: Numerical Simulationsmentioning

confidence: 99%

Low-Threshold, Single-Mode, Compact Brillouin/Erbium Fiber Ring Laser

Chen

Zhang

Zhou

2013

J. Lightwave Technol.

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“…For the tuning process, on the one hand, because of large dispersion [D = 17 (ps/nm)km] in SMF [3], it is difficult to reach to phase matching condition between the pump and Stokes lines in MW DRBFL. However, the coherence length L coh is defined as [17],…”

Section: Fabrication and Principlementioning

confidence: 99%

“…The requirements for multiwavelength sources include a large number of channels over broad bandwidth, rigid and stable wavelength spacing, narrow linewidth and small power fluctuation. Because the stimulated Brillouin scattering (SBS) can overcome the limitation of the strong homogenous line of erbium-doped fiber amplifier (EDFA), the investigation is mainly concentrated on multiwavelength Brillouin-erbium fiber laser (MW BEFL) [2][3][4][5][6][7] with the advantages of rigid wavelength spacing and narrow linewidth [8][9][10][11]. And compared with the semiconductor optical amplifier (SOA) [12,13], the EDFA has the characteristics of a higher saturation power, a lower polarizationdependent gain and a flatter gain spectrum.…”

Section: Introductionmentioning

confidence: 99%

Stable multiwavelength single longitudinal mode dual ring Brillouin fiber laser

Liu

Wang

et al. 2015

Opt Rev

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A novel stable multiwavelength single longitudinal mode (SLM) dual ring Brillouin fiber laser is proposed and demonstrated. Dual ring configuration with 100 and 10 m length of single mode fiber guarantees each Stokes and anti-Stokes waves in SLM status. Linewidth of the first Stokes wave is below 4 kHz with 60 dB sidemode suppression value. 7 stable SLM lasing wavelengths including the pump with a 5 dB bandwidth of 0.5, 0.084 nm wavelength spacing and 15 dB average optical signal-tonoise ratio are generated through the cascaded SBS and degenerate FWM process. The laser can freely be tuned 30 nm range from 1535 to 1565 nm. The power fluctuation of the first Stokes wave is about 8 % measured by Data Acquisition System in 1 h.

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“…All-single-mode fiber-based Sagnac loop mirrors have been widely used in temperature [18], strain [19], and pressure [20] high sensitivity sensors as well as in wavelength optical switches [21]. Moreover, SLMs with adjustable reflectivity have been used to form Fabry-Perot linear resonators [22][23][24][25] where the amount of the output optical power from the resonators depends on the reflectivity of the SLMs [26,27]. In this work, two SLMs were used to control the amount of optical power delivered from two output ports of the proposed fiber compound-ring laser.…”

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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Generation of multiorder Stokes and anti-Stokes lines in a Brillouin erbium-fiber laser with a Sagnac loop mirror

Cited by 72 publications

References 6 publications

Low-Threshold, Single-Mode, Compact Brillouin/Erbium Fiber Ring Laser

Low-Threshold, Single-Mode, Compact Brillouin/Erbium Fiber Ring Laser

Stable multiwavelength single longitudinal mode dual ring Brillouin fiber laser

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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