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Multi-Band Thermal Optical Switch Based on Nematic Liquid Crystal Filled Photonic Crystal Fiber

By filling the liquid crystal (LC) in the air holes of a photonic crystal fiber (PCF) with 8 mm length, a compact multi-band thermal optical switch is proposed here including two important telecommunication band, i.e., 1265 to 1317 nm and 1508 to 1568 nm. Within the bandwidth, the extinction ratio can be as high as 30 dB. Under the combined action of the bandgap-guiding mechanism and the interference effect, a temperature change of only 1 °C after clearing temperature (T c ) of the LC induces multi-band thermal optical switch of the LC-filled PCF. It is also noted that the transmission spectrum of the LC-filled PCF is quite sensitive to the ambient temperature. The consequent thermal sensitive is 3.9 nm/°C, making it a very good candidate for monitoring the temperature herein.

Ketersediaan

Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.39 No.10 May 15 2021

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 3297 - 3302

Bahasa

English

ISBN/ISSN

-

Klasifikasi

-

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

LIQUID CRYSTAL
COMMUNICATION SWITCH AND TEMPERATURE SENSOR
LIQUID CRYSTAL FILLED PHOTONIC CRYSTAL FIBER
THERMO-OPTICAL SWITCH

Info Detail Spesifik

DOI: 10.1109/JLT.2021.3064861

Pernyataan Tanggungjawab

Shuang Tian, Tianyu Yang, Junxi Zhang, Kang Xie, Jiajun Ma, Liang Hong, Yanhua Luo,

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