Bend-insensitive single-mode photonic crystal fiber with ultralarge effective area for dual applications

Md. Asiful Islam; M. Shah Alam

doi:10.1117/1.OE.52.5.050501

9 May 2013 Bend-insensitive single-mode photonic crystal fiber with ultralarge effective area for dual applications

Md. Asiful Islam, M. Shah Alam

Author Affiliations +

Optical Engineering, Vol. 52, Issue 5, 050501 (May 2013). https://doi.org/10.1117/1.OE.52.5.050501

Abstract

A novel photonic crystal fiber (PCF) having circular arrangement of cladding air holes has been designed and numerically optimized to obtain a bend insensitive single mode fiber with large mode area for both wavelength division multiplexing (WDM) communication and fiber-to-the-home (FTTH) application. The bending loss of the proposed bent PCF lies in the range of 10 ⁻³ to 10⁻⁴ dB/turn or lower over 1300 to 1700 nm, and 2 × 10 ⁻⁴ dB/turn at the wavelength of 1550 nm for a 30-mm bend radius with a higher order mode (HOM) cut-off frequency below 1200 nm for WDM application. When the whole structure of the PCF is scaled down, a bending loss of 6.78×10 ⁻⁴ dB/turn at 1550 nm for a 4-mm bend radius is obtained, and the loss remains in the order of 10 ⁻⁴ dB/turn over the same range of wavelength with an HOM cut-off frequency below 700 nm, and makes the fiber useful for FTTH applications. Furthermore, this structure is also optimized to show a splice loss near zero for fusion-splicing to a conventional single-mode fiber (SMF).

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Md. Asiful Islam and M. Shah Alam "Bend-insensitive single-mode photonic crystal fiber with ultralarge effective area for dual applications," Optical Engineering 52(5), 050501 (9 May 2013). https://doi.org/10.1117/1.OE.52.5.050501

Published: 9 May 2013

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