Development of a system for laser splicing photonic crystal fiber

Chong, Joo Hin; Rao, M.K.

doi:10.1364/oe.11.001365

Cited by 94 publications

(27 citation statements)

References 1 publication

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“…In this phase, we have investigated the variation of splicing loss that occurs due to fundamental mode mismatch only. The splice loss has been calculated with the help of formulae proposed in [2] and the results are depicted in Fig. 7.6.…”

Section: Splice Lossmentioning

confidence: 99%

“…In this work, the gain properties of erbium-doped triangular-lattice PCFs are investigated extensively by analyzing the effect of PCF geometry with the dopant radius in the core. By varying PCF geometry, we have optimized the pump and signal beam overlap, and a converged design has been proposed which exhibits an amplifier gain as high as 51 dB using a PCF length as short as 2.5 m. As an important requirement, the splice loss [2] of the PCF amplifier with standard telecommunication fiber (SMF-28) has been minimized through an adjustment of mode mismatch.…”

Section: Introductionmentioning

confidence: 99%

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Light Propagation in Microstructured Optical Fibers and Designing High Gain Fiber Amplifier

Chaudhuri

Mondal

2015

Springer Proceedings in Physics

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In this talk, the basic mechanism of light propagation in a triangularlattice photonic crystal fiber (PCF) is first discussed with some key properties like, endlessly single-mode nature, controllable dispersion, high birefringence. Then a systematic study of a photonics crystal fiber design as a host of fiber amplifier is performed by varying all associated parameters towards utilizing controllable effective numerical aperture and tight modal confinement. A finite difference (FD) mode calculation analysis is used to determine the modal characteristics of the structure, which is then used to solve a standard rate equation. Results show that a spectral gain of the amplifier as high as 51 dB and that too over a short length *2.5 m of the fiber is achievable. For field-deployment of the amplifier as inline component, the splicing/coupling loss (due to fundamental mode mismatch) of this all-fiber device is calculated. Notably, the coupling loss with standard telecom-grade SMF-28 fiber is reduced through an improved mode-matching of the structure-design. These results record a marked improvement in fiber amplifier performance in terms of realizing high-gain EDFA-PCF amplifiers. IntroductionThe PCF technology has offered a versatile platform to realize fibers and in-line components with many exciting modal characteristics which are far beyond the ones achievable through simple core-cladding structure [1]. The most useful attributes of PCFs are the high index-contrast between silica and air, and largely flexible geometry in terms of size, shape and arrangement of air-holes in the cladding. The high index-contrast enables to design fibers with large effective numerical aperture over a small core dimension and hence a very tight modal confinement as required by an amplifier host. Additionally, the average index-guiding effect in PCF with

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Section: Splice Lossmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Light Propagation in Microstructured Optical Fibers and Designing High Gain Fiber Amplifier

Chaudhuri

Mondal

2015

Springer Proceedings in Physics

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“…Lizier and Town [88] reported numerical calculations of splice loss between standard step-index fibers and holey fibers. An alternative method was proposed in 2003 by Chong and Rao [89] that included the use of a CO 2 laser. Also, in 2003, Bourliaguet [90] described a simple method to splice microstructured optical fibers by relying only on commercial electric-arc splices machine.…”

Section: Splices In Pcf/smfmentioning

confidence: 99%

Optical sensing with photonic crystal fibers

Frazão

Santos

Araújo

et al. 2008

Laser & Photonics Reviews

217

118

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A review of optical fiber sensing demonstrations based on photonic crystal fibers is presented. The text is organized in five main sections: the first three deal with sensing approaches relying on fiber Bragg gratings, long-period gratings and interferometric structures; the fourth one reports applications of these fibers for gas and liquid sensing; finally, the last section focuses on the exploitation of nonlinear effects in photonic crystal fibers for sensing. A brief review about splicing with photonic crystal fibers is also included.Two main classes of photonic crystal fibres (PCF): index-guiding PCF (a) and photonic bandgap PCF (b).

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“…Moreover, to be practically useful in remote gas detection systems, a PCF must also be connected to standard single mode fiber (SMF), which is still a rather delicate process. The splice losses between PCF and SMF have been studied in the last years by several groups [18][19][20][21][22]. A study of the splicing and coupling losses was performed for the two different types of HC-PCF previously mentioned.…”

Section: Basic Conceptsmentioning

confidence: 99%