Group-velocity dispersion measurements in a photonic bandgap fiber

Jasapara, J.; Her, Tsing-Hua; Bise, Ryan T.; Windeler, R.; DiGiovanni, D. J.

doi:10.1364/josab.20.001611

Cited by 53 publications

(26 citation statements)

References 7 publications

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“…GVD measurements can also be carried out in nontypical media such as tapered airsilica microstructure fibers by using white-light interferometry with the help of broadband sources, as demonstrated by Ye et al [148]. Spectral interferometry with a SC source was also used by Jasapara et al [149] to perform GVD measurements in photonic bandgap fiber.…”

Section: Optical Fiber Characterizationmentioning

confidence: 99%

Optical spectral broadening and supercontinuum generation in telecom applications

Smirnov

Ania-Castañón

Ellingham

et al. 2006

Optical Fiber Technology

134

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Section: Optical Fiber Characterizationmentioning

confidence: 99%

Optical spectral broadening and supercontinuum generation in telecom applications

Smirnov

Ania-Castañón

Ellingham

et al. 2006

Optical Fiber Technology

134

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“…In these methods, interferograms are produced by combining two broadband beams, one directed through the fiber under test, and the other (reference beam) directed through a free-space variable delay line. The interference can be detected either in the time domain [9,10], typically by varying the length of the delay line, or in the spectral domain [11][12][13], by using a scanning monochromator or optical spectrum analyzer (OSA). In the spectral domain, the wavelength dependent GVD can in principle be extracted from single-shot interferograms, which can extend over intervals as wide as several hundred nm.…”

Section: Introductionmentioning

confidence: 99%

Fast and broadband fiber dispersion measurement with dense wavelength sampling

Ponzo¹,

Petrovich²,

Feng³

et al. 2014

Opt. Express

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Abstract:We report on a method to obtain accurate dispersion measurements from spectral-domain low-coherence interferograms, which enables high accuracy (~ps/nm/km), broadband measurements and the determination of very dense (up to 20 points/nm over 500 nm) datasets for both dispersion and dispersion slope. The method exploits a novel phase extraction algorithm which allows the phase associated with each sampling point of the interferogram to be calculated and provides for very accurate results as well as a fast measurement capability, enabling close to real time measurements. The important issue of mitigating the measurement errors due to any residual dispersion of optical elements and to environmental fluctuations was also addressed. We performed systematic measurements on standard fibers which illustrate the accuracy and precision of the technique, and we demonstrated its general applicability to challenging problems by measuring a carefully selected set of fibres: a lead silicate microstructured fiber with a flat, near-zero dispersion profile; a hollow core photonic bandgap fiber with strongly wavelength-dependent dispersion and dispersion slope; a small core, highly birefringent index guiding microstructured fiber, for which polarization resolved measurements over an exceptionally wide (~1000 nm) wavelength interval were obtained. 2013 Optical Society of America

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“…To retrieve the phase from the wavelength dependent intensity, two methods are widely used. The first consists in finding the intensity maxima and minima, which correspond to a 2π phase shift 8 . This straightforward approach has however the drawback of significantly underexploiting the information contained in the interferogram as it only outputs a small set of GVD values and thus cannot yield reliable information on the dispersion slope.…”

Section: Introductionmentioning

confidence: 99%