Abstract

We demonstrate photonic crystal fibers with ultra-flattened, near zero dispersion. Two micro-structured fibers showing dispersion of 0 ± 0.6 ps/nm.km from 1.24 μm-1.44 μm wavelength and 0 ± 1.2 ps/nm.km over 1 μm-1.6 μm wavelength have been measured.

© 2002 Optical Society of America

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References

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IEEE J. Quantum Electron. (1)

M. Tateda, N. Shibata, and S. Seikai, �??Interferometric method for chromatic dispersion measurement in a single-mode optical fiber,�?? IEEE J. Quantum Electron. QE-17, 404 (1981)
[CrossRef]

IEEE Photon. Technol. Lett. (3)

J.C. Knight, J. Arriaga, T.A. Birks, A. Ortigosa-Blanch, W.J. Wadsworth, and P.St.J Russell, �??Anomalous dispersion in photonic crystal fiber,�?? IEEE Photon. Technol. Lett. 12, 807-809 (2000)
[CrossRef]

J. Hansryd and P.A. Andrekson, �??Broad-Band Continuous-Wave-Pumped Fiber Optical Parametric Amplifier with 49-dB Gain and Wavelength-Conversion Efficiency,�?? IEEE Photon. Technol. Lett. 13, 194 (2001)
[CrossRef]

Y. Takushima, and K Kikuchi, �??10-GHz, Over 20-Channel Multiwavelength Pilse Source by Slicing Super- Continuum Spectrum Generated in Normal-Dispersion Fiber,�?? IEEE Photon. Technol. Lett. 11, 322, (1999)
[CrossRef]

J. Lightwave Technol. (1)

J. Opt. Soc. Am. B (1)

W.J. Wadsworth, A. Ortigosa-Blanch, J.C. Knight, T.A. Birks, T-P.M. Man and P.St.J. Russell, �??Supercontinuum generation in photonic crystal fibers and optical fiber tapers �?? A novel light source,�?? J. Opt. Soc. Am. B in press, (2002).
[CrossRef]

Opt. Express (1)

Opt. Lett. (4)

Optical Fiber Commenication 2002 (1)

K.P. Hansen, J.R. Jensen, C.Jacobsen, H.R. Simonsen, J.Broeng, P.M.W. Skovgaard, A.Peterson and A. Bjarklev, �??Highly Nonlinear Photonic Crystal Fiber with Zero-Dispersion at 1.55µm,�?? in Optical Fiber Commenication 2002, Vol. 70 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2002), paper FA9.

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Figures (5)

Fig. 1
Fig. 1

A photonic crystal fiber with 7 periods in the cladding and with Λ ≈ 2.5μm and d ≈ 0.5μm.

Fig. 2.
Fig. 2.

Measured dispersion for a selection of 7-period PCFs. Although the theoretical ideal fiber parameters were almost reached, the experimental and theoretical results did not match.

Fig. 3.
Fig. 3.

Ultra-flattened dispersion photonic crystal fiber with 11 periods. Λ = 2.47μm and an average d of 0.57μm.

Fig. 4.
Fig. 4.

Measured dispersion plots for ultra flattened dispersion PCF similar to the fiber shown in figure 3. Red curve: d = 0.58, Λ = 2.59, dark blue curve: d= 0.57, Λ=2.47.

Fig. 5.
Fig. 5.

(a) shows the value of dispersion for variation of hole radius and pitch for a wavelength of 1500 nm. The black line represents zero dispersion. For the same fiber parameters (b) shows the value of the dispersion slope for a wavelength of 1500 nm. The black line represents zero slope. In both graphs the “×” shows the fiber parameters of the PCF with Λ = 2.47 μm and an average d of 0.57 μm and the “+” shows the PCF with Λ = 2.59 μm and an average d of 0.58 μm.

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