On the influence of optical accuracy of the band-pass thin-film filter design for coexistence-type colorless WDM-PON

Dušan Korček; Jarmila Müllerová

doi:10.1117/12.880030

14 December 2010 On the influence of optical accuracy of the band-pass thin-film filter design for coexistence-type colorless WDM-PON

Dušan Korček, Jarmila Müllerová

Author Affiliations +

Proceedings Volume 7746, 17th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 77461X (2010) https://doi.org/10.1117/12.880030
Event: 17th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2010, Liptovsky Jan, Slovakia

Abstract

The future coexistence of Gigabit-capable passive optical networks (GPON) and wavelength division multiplexing PON (WDM-PON) requires the wavelength band separation of optical signals for GPON downstream (1480 - 1500 nm) and WDM-PON (1500 - 1620 nm). A new multi-layer thin-film structure of the band separation filter is proposed and numerically investigated to separate these spectral bands at the wavelength of 1500 nm with the spectral transmittance edge as steep as possible and at least of 32 dB insertion loss at 1500 nm. This article is focused on modeling transmission characteristics of the design of a GPON and WDM-PON band separation thin-film filter with the aim of detecting the impact of optical properties of materials involved, namely the number of the designed layers and material dispersion. Additionally, we report on the investigation of the influence of layer thickness deviations on the transmission characteristics of the band-pass filter aimed for separating GPON and WDM-PON wavelength regions.

Citation Download Citation

Dušan Korček and Jarmila Müllerová "On the influence of optical accuracy of the band-pass thin-film filter design for coexistence-type colorless WDM-PON", Proc. SPIE 7746, 17th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 77461X (14 December 2010); https://doi.org/10.1117/12.880030

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