Measurement of higher order chromatic dispersion in a photonic bandgap fiber: Comparative study of spectral interferometric methods

T. Grósz, A. P. Kovács, M. Kiss, R. Szipócs

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Chromatic dispersion of a 37 cm long, solid-core photonic bandgap (PBG) fiber was studied in the wavelength range of740-840 nmwith spectral interferometry employing a Mach-Zehnder interferometer and a high resolution spectrometer. The interferometer was illuminated by a Ti:sapphire laser providing 20 fs pulses. A comparative study has been carried out to find the most accurate spectral phase retrieval method that is suitable for measuring higher order chromatic dispersion. The stationary phase point, the minima-maxima, the cosine function fit, the Fourier transform, and the windowed Fourier transform methods were tested. It was shown that out of these five techniques, the Fourier-transform method provided the dispersion coefficients with the highest accuracy, and it could also detect rapid phase changes in the vicinity of leaking mode frequencies within the transmission band of the PBG fiber.

Original languageEnglish
Pages (from-to)1929-1937
Number of pages9
JournalApplied Optics
Issue number9
DOIs
Publication statusPublished - Mar 20 2014

Fingerprint

Photonic bandgap fibers
Chromatic dispersion
spectral methods
Fourier transforms
photonics
fibers
Mach-Zehnder interferometers
Interferometry
Sapphire
Interferometers
retrieval
Spectrometers
Laser pulses
interferometry
sapphire
interferometers
spectrometers
Wavelength
Lasers
high resolution

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Measurement of higher order chromatic dispersion in a photonic bandgap fiber : Comparative study of spectral interferometric methods. / Grósz, T.; Kovács, A. P.; Kiss, M.; Szipócs, R.

In: Applied Optics, No. 9, 20.03.2014, p. 1929-1937.

Research output: Contribution to journalArticle

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