High anti-interference dual-parameter sensor using EIT-like effect photonic crystal cavity coupled system

Tongyu Nie; Zhe Han; Zixing Gou; Chao Wang; Huiping Tian

doi:10.1364/AO.452140

Applied Optics
Vol. 61,
Issue 6,
pp. 1552-1558
(2022)
•https://doi.org/10.1364/AO.452140

High anti-interference dual-parameter sensor using EIT-like effect photonic crystal cavity coupled system

Tongyu Nie, Zhe Han, Zixing Gou, Chao Wang, and Huiping Tian

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Tongyu Nie, Zhe Han, Zixing Gou, Chao Wang, and Huiping Tian, "High anti-interference dual-parameter sensor using EIT-like effect photonic crystal cavity coupled system," Appl. Opt. 61, 1552-1558 (2022)

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- Optical Devices, Sensors, and Detectors
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About this Article
History
- Original Manuscript: December 23, 2021
- Revised Manuscript: January 29, 2022
- Manuscript Accepted: January 29, 2022
- Published: February 17, 2022

Abstract

We propose a sensor with high anti-interference ability using a photonic crystal cavity coupled system for simultaneous sensing of the refractive index (RI) and temperature (T) based on an electromagnetically induced transparency-like effect. A transparent window is achieved in the transmission spectrum through destructive interference between the air mode resonance and dielectric mode resonance in two one-dimensional photonic crystal structures. The T-sensitive material (SU-8) is used in the coupled system, promoting sensitivity and anti-interference ability. The ability of the system to simultaneously detect a small range of RI and T is demonstrated using three-dimensional finite-difference time-domain simulations and the fitting process. The RI sensitivities for the air and dielectric modes were 215 nm/refractive index unit (RIU) and 0 nm/RIU, respectively. The T sensitivities for the air and dielectric modes were 19 pm/K and ${-}{{83}}\;{\rm{pm/K}}$, respectively. The sensor resists external interference, enabling it to resist the error caused by readings. The footprint of the sensor is ${{29}} \times {1.8}\;\unicode{x00B5} {{\rm{m}}^2}$ (${\rm{length}} \times {\rm{width}}$), contributing to future optical on-chip integration sensor design.

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Corrections

Tongyu Nie, Zhe Han, Zixing Gou, Chao Wang, and Huiping Tian, "High anti-interference dual-parameter sensor using EIT-like effect photonic crystal cavity coupled system: publisher’s note," Appl. Opt. 61, 2648-2648 (2022)
https://opg.optica.org/ao/abstract.cfm?uri=ao-61-10-2648

1 March 2022: A correction was made to Fig. 1 and typographical corrections were made throughout the paper.

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High anti-interference dual-parameter sensor using EIT-like effect photonic crystal cavity coupled system: publisher’s note

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Appl. Opt. 61(10) 2648-2648 (2022)

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Data Availability

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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Structure	Environment	RI Sensitivity (nm/RIU)	T Sensitivity (pm/K)	$(a_{n}$ , $a_{T}$ ) (RIU, K)^a	Footprint ( $µ m^{2}$ )
MZI [5]	Water	− 23.188; −26.087	71; 77	( $2.2 \times 1 0^{- 3}$ , 0.73)	$π \times 32 . 5^{2}$ ^b
MZI [6]	Water	− 47.3; −38.5	70.9; 62.6	( $5.77 \times 1 0^{- 4}$ , 0.37)	$π \times 4 3^{2}$ ^b
Microring [11]	NaCl solution	319; 104	34.1; 78.7	( $5.23 \times 1 0^{- 6}$ , 0.02)	$π \times 2 0^{2}$
Microring [12]	Water	61.6; 636.1	1.6; −56.9	( $1.3 \times 1 0^{- 5}$ , 0.15)	$π \times 48 . 5^{2}$
Metasurface [13]	Water	243.44; 159.43	50.47; 75.20	( $1.22 \times 1 0^{- 5}$ , 0.04)	∞
1D-PhCs [14]	Water	254.6;105.5	30.1; 56.4	( $7.73 \times 1 0^{- 6}$ , 0.03)	—
1D-PhCs [15]	Water	145; 523	60.0; 2.5	( $2 \times 1 0^{- 6}$ , 0.02)	$14 \times 2.6$
2D-PhCSs [16]	Water	960; 210	−66.5; 50.8	( $1.87 \times 1 0^{- 6}$ , 0.02)	∞
This study	PBS	0; 215	−83; 19	( $5.72 \times 1 0^{- 6}$ , 0.01)	$29 \times 1.8$

Structure	Environment	RI Sensitivity (nm/RIU)	T Sensitivity (pm/K)	$(a_{n}$ , $a_{T}$ ) (RIU, K)^a	Footprint ( $µ m^{2}$ )
MZI [5]	Water	− 23.188; −26.087	71; 77	( $2.2 \times 1 0^{- 3}$ , 0.73)	$π \times 32 . 5^{2}$ ^b
MZI [6]	Water	− 47.3; −38.5	70.9; 62.6	( $5.77 \times 1 0^{- 4}$ , 0.37)	$π \times 4 3^{2}$ ^b
Microring [11]	NaCl solution	319; 104	34.1; 78.7	( $5.23 \times 1 0^{- 6}$ , 0.02)	$π \times 2 0^{2}$
Microring [12]	Water	61.6; 636.1	1.6; −56.9	( $1.3 \times 1 0^{- 5}$ , 0.15)	$π \times 48 . 5^{2}$
Metasurface [13]	Water	243.44; 159.43	50.47; 75.20	( $1.22 \times 1 0^{- 5}$ , 0.04)	∞
1D-PhCs [14]	Water	254.6;105.5	30.1; 56.4	( $7.73 \times 1 0^{- 6}$ , 0.03)	—
1D-PhCs [15]	Water	145; 523	60.0; 2.5	( $2 \times 1 0^{- 6}$ , 0.02)	$14 \times 2.6$
2D-PhCSs [16]	Water	960; 210	−66.5; 50.8	( $1.87 \times 1 0^{- 6}$ , 0.02)	∞
This study	PBS	0; 215	−83; 19	( $5.72 \times 1 0^{- 6}$ , 0.01)	$29 \times 1.8$

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Applied Optics