Tunable Wavelength-Selective Liquid Crystal Filters for 600-Channel FDM System

Katsuhiko Hirabayashi; Hiroyuki Tsuda; Takashi Kurokawa

doi:10.1109/68.141980

Tunable Wavelength-Selective Liquid Crystal Filters for 600-Channel FDM System

Katsuhiko Hirabayashi, Hiroyuki Tsuda, Takashi Kurokawa

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

A tunable wavelength-selective filter is described that is capable of selecting one from over 600 channels at the wavelength of 1.47-1.60 μm, by stacking two liquid crystal Fabry-Perot interferometers, one with a wide tuning range of 127 nm and a broad bandwidth of 3.4 nm and the other with a very narrow bandwidth of 0.07 nm (9 GHz) and a small tuning range of 12 nm. This filter has an efficient finesse of 1800 and it can select one channel from 600 light sources with 0.2 nm (25 GHz) spacing at a beam optics loss of 5 dB.

Original language	English
Pages (from-to)	597-599
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	4
Issue number	6
DOIs	https://doi.org/10.1109/68.141980
Publication status	Published - 1992 Jun
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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abstract = "A tunable wavelength-selective filter is described that is capable of selecting one from over 600 channels at the wavelength of 1.47-1.60 μm, by stacking two liquid crystal Fabry-Perot interferometers, one with a wide tuning range of 127 nm and a broad bandwidth of 3.4 nm and the other with a very narrow bandwidth of 0.07 nm (9 GHz) and a small tuning range of 12 nm. This filter has an efficient finesse of 1800 and it can select one channel from 600 light sources with 0.2 nm (25 GHz) spacing at a beam optics loss of 5 dB.",

author = "Katsuhiko Hirabayashi and Hiroyuki Tsuda and Takashi Kurokawa",

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AU - Kurokawa, Takashi

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N2 - A tunable wavelength-selective filter is described that is capable of selecting one from over 600 channels at the wavelength of 1.47-1.60 μm, by stacking two liquid crystal Fabry-Perot interferometers, one with a wide tuning range of 127 nm and a broad bandwidth of 3.4 nm and the other with a very narrow bandwidth of 0.07 nm (9 GHz) and a small tuning range of 12 nm. This filter has an efficient finesse of 1800 and it can select one channel from 600 light sources with 0.2 nm (25 GHz) spacing at a beam optics loss of 5 dB.

AB - A tunable wavelength-selective filter is described that is capable of selecting one from over 600 channels at the wavelength of 1.47-1.60 μm, by stacking two liquid crystal Fabry-Perot interferometers, one with a wide tuning range of 127 nm and a broad bandwidth of 3.4 nm and the other with a very narrow bandwidth of 0.07 nm (9 GHz) and a small tuning range of 12 nm. This filter has an efficient finesse of 1800 and it can select one channel from 600 light sources with 0.2 nm (25 GHz) spacing at a beam optics loss of 5 dB.

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Tunable Wavelength-Selective Liquid Crystal Filters for 600-Channel FDM System

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