Coaxial dual-core dispersion compensation photonic crystal fiber with wavelength-tunable ultrahigh negative dispersion

Wanting Shao; Huan Liang; Fuxiao Ma; Weihua Shi

doi:10.1364/JOSAB.470713

Journal of the Optical Society of America B
Vol. 40,
Issue 2,
pp. 334-340
(2023)
•https://doi.org/10.1364/JOSAB.470713

Coaxial dual-core dispersion compensation photonic crystal fiber with wavelength-tunable ultrahigh negative dispersion

Wanting Shao, Huan Liang, Fuxiao Ma, and Weihua Shi

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Wanting Shao, Huan Liang, Fuxiao Ma, and Weihua Shi, "Coaxial dual-core dispersion compensation photonic crystal fiber with wavelength-tunable ultrahigh negative dispersion," J. Opt. Soc. Am. B 40, 334-340 (2023)

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Table of Contents Category
- Fiber Optics
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About this Article
History
- Original Manuscript: July 21, 2022
- Revised Manuscript: December 10, 2022
- Manuscript Accepted: December 16, 2022
- Published: January 13, 2023

Abstract

A coaxial dual-core wavelength-tunable dispersion compensation photonic crystal fiber (WT-DC-PCF) is designed in this paper. The tunable range of 1512–1587 nm with an ultrahigh negative dispersion of ${-}{27315.76}\;{\rm ps/}({\rm nm\cdot km})$ at 1550 nm has been obtained simultaneously by filling the temperature-sensitive material into the air holes of the WT-DC-PCF. The full width at half-maximum is up to 12.4 nm, and a low confinement loss is always maintained. In addition, the phase-matching wavelength is basically linear with the temperature, which can be accurately adjusted to 1550 nm. Therefore, the proposed WT-DC-PCF is able to be used in achieving complete dispersion compensation in communication systems.

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Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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Material	Thermosensitivity $C o e f f i c i e n t / K^{- 1}$	Temperature Range from Melting Point to Boiling Point/°C	Refractive Index ( $T = 20^{\circ} C$ )
Chloroform	$6.33 \times 10^{- 4}$	−63.50 to 61.60	1.4470
Ethanol	$3.94 \times 10^{- 4}$	−114.10 to 78.30	1.3600
Toluene	$5.27 \times 10^{- 4}$	−94.99 to 110.63	1.4750
Quartz	$8.60 \times 10^{- 6}$	$> 1750.00$	1.4600
The mixture	$5.88 \times 10^{- 4}$	$< 60.00$	1.4102

Parameter	$λ_{P}$ (nm)	Max Dispersion at 1550 nm (ps/(nm·km))	Temperature-Control Sensitivity (nm/°C)	FWHM (nm)	Tunable Range (nm)	$\| D_{M a x} * F W H M \|$ ( ${G H z}^{- 1} \cdot {k m}^{- 1}$ )
Ref. [17]	1550	−19,000	4.31	$\approx 2.80$	1533–1567	$\approx 81.9$
Ref. [18]	1551	−52,000	2.78	$\approx 6.25$	1539–1561	$\approx 325.0$
Ref. [19]	1550	−426,000	0.05	$\approx 0.61$	1533–1552	$\approx 259.9$
Ref. [20]	1542	−27,102	Nonlinear	1.60	–	$\approx 43.4$
Proposed	1550	−27,316	10.07	12.40	1512–1587	$\approx 338.7$

Material	Thermosensitivity $C o e f f i c i e n t / K^{- 1}$	Temperature Range from Melting Point to Boiling Point/°C	Refractive Index ( $T = 20^{\circ} C$ )
Chloroform	$6.33 \times 10^{- 4}$	−63.50 to 61.60	1.4470
Ethanol	$3.94 \times 10^{- 4}$	−114.10 to 78.30	1.3600
Toluene	$5.27 \times 10^{- 4}$	−94.99 to 110.63	1.4750
Quartz	$8.60 \times 10^{- 6}$	$> 1750.00$	1.4600
The mixture	$5.88 \times 10^{- 4}$	$< 60.00$	1.4102

Parameter	$λ_{P}$ (nm)	Max Dispersion at 1550 nm (ps/(nm·km))	Temperature-Control Sensitivity (nm/°C)	FWHM (nm)	Tunable Range (nm)	$\| D_{M a x} * F W H M \|$ ( ${G H z}^{- 1} \cdot {k m}^{- 1}$ )
Ref. [17]	1550	−19,000	4.31	$\approx 2.80$	1533–1567	$\approx 81.9$
Ref. [18]	1551	−52,000	2.78	$\approx 6.25$	1539–1561	$\approx 325.0$
Ref. [19]	1550	−426,000	0.05	$\approx 0.61$	1533–1552	$\approx 259.9$
Ref. [20]	1542	−27,102	Nonlinear	1.60	–	$\approx 43.4$
Proposed	1550	−27,316	10.07	12.40	1512–1587	$\approx 338.7$

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Journal of the Optical Society of America B