40-nm-wide tunable fiber ring laser with single-mode operation using a highly stretchable FBG

Song, Yong‐Won; Havstad, S.A.; Starodubov, D.S.; Xie, Ying; Willner, Alan E.; Feinberg, Jack

doi:10.1109/68.959352

Cited by 164 publications

(65 citation statements)

References 8 publications

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“…An additional attractive feature of fiberbased laser sources is their large gain bandwidth across the S-, C-and L-bands, which enables considerable flexibility in wavelength/bandwidth selection and allocation in dynamic optical systems and networks. Single-mode fiber lasers have widely been investigated for optical communication applications [1][2][3][4][5][6][7][8][9]. In particular, erbium-doped fiber lasers offer several advantages, such as the broad emission spectrum and homogeneously-broadened gain characteristics, resulting in a high side-mode suppression ratio.…”

Section: Introductionmentioning

confidence: 99%

Opto-VLSI-based tunable single-mode fiber laser

Xiao¹,

Alameh²,

Lee³

2009

Opt. Express

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Abstract:A new tunable fiber ring laser structure employing an Opto-VLSI processor and an erbium-doped fiber amplifier (EDFA) is reported. The Opto-VLSI processor is able to dynamically select and couple a waveband from the gain spectrum of the EDFA into a fiber ring, leading to a narrowlinewidth high-quality tunable laser output. Experimental results demonstrate a tunable fiber laser of linewidth 0.05 nm and centre wavelength tuned over the C-band with a 0.05nm step. The measured side mode suppression ratio (SMSR) is greater than 35 dB and the laser output power uniformity is better than 0.25 dB. The laser output is very stable at room temperature.

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Section: Introductionmentioning

confidence: 99%

Opto-VLSI-based tunable single-mode fiber laser

Xiao¹,

Alameh²,

Lee³

2009

Opt. Express

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“…Stable single-longitudinal-mode operation has been achieved over the wavelength range of 48 nm with a side mode suppression ratio higher than 50 dB. The use of tunable fiber Bragg gratings (FBGs) is a simple approach to realize singlewavelength tuning (Song et al, 2001). Recently, a tunable fiber laser based on a tunable phase-shifted linearly chirped FBG (PS-LCFBG) in transmission with ultra-narrow bandwidth of 1.52 kHz has been demonstrated (Li et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Tunable Fibre Lasers Based on Optical Amplifiers and an Opto-VLSI Processor

Xiao¹,

Alameh²,

Lee³

2011

Advances in Optical Amplifiers

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“…Erbium-doped fiber ring lasers (EDFRLs) have recently attracted great interest due to such promising applications as optical sensors. The EDFRLs have advantages which include high output power, low intensity noise, and compatibility with fiber components [11][12][13][14][15]. Recently, EDFRLs using the phase-shifted linearly chirped FBG (PS-LCFBG) were reported [16].…”

Section: Introductionmentioning

confidence: 99%

Fiber laser sensor based on a phase-shifted chirped grating for acoustic sensing of partial discharges

et al. 2012

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Acoustic emission monitoring is often used in the diagnosis of electrical and mechanical incipient faults in the high voltage apparatus. Partial discharges are a major source of insulation failure in electric power transformers, and the differentiation from other sources of acoustic emission is of the utmost importance. This paper reports the development of a new sensor concept -a fiber laser sensor based on a phase-shifted chirped fiber grating -for the acoustic emission detection of incipient faults in oil-filled power transformers. These sensors can be placed in the inner surface of the transformer tank wall, not affecting the insulation integrity of the structure and improving fault detection and location. The performance of the sensing head is characterized and compared for different surrounding media: air, water, and oil. The results obtained indicate the feasibility of this sensing approach for the industrial development of practical solutions.

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40-nm-wide tunable fiber ring laser with single-mode operation using a highly stretchable FBG

Cited by 164 publications

References 8 publications

Opto-VLSI-based tunable single-mode fiber laser

Opto-VLSI-based tunable single-mode fiber laser

Tunable Fibre Lasers Based on Optical Amplifiers and an Opto-VLSI Processor

Fiber laser sensor based on a phase-shifted chirped grating for acoustic sensing of partial discharges

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