• Acta Photonica Sinica
  • Vol. 52, Issue 3, 0352106 (2023)
Mingquan PI1,2, Chuantao ZHENG1,2,*, Lei LIANG3, Fang SONG1,2, and Yiding WANG1,2
Author Affiliations
  • 1State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
  • 2Jilin Provincial Engineering Research Center of Infrared Gas Sensing Technique, Changchun 130012, China
  • 3State Key Laboratory of Luminescence and Application, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
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    DOI: 10.3788/gzxb20235203.0352106 Cite this Article
    Mingquan PI, Chuantao ZHENG, Lei LIANG, Fang SONG, Yiding WANG. Progress of On-chip Infrared Gas Sensing Technique(Invited)[J]. Acta Photonica Sinica, 2023, 52(3): 0352106 Copy Citation Text show less
    Optical field distribution and evanescent field distribution of waveguide
    Fig. 1. Optical field distribution and evanescent field distribution of waveguide
    Spectroscopy response of different on-chip sensing techniques
    Fig. 2. Spectroscopy response of different on-chip sensing techniques
    Evanescent field waveguide structure
    Fig. 3. Evanescent field waveguide structure
    Meander waveguide and spiral waveguide
    Fig. 4. Meander waveguide and spiral waveguide
    Waveguide structure with slow light effect
    Fig. 5. Waveguide structure with slow light effect
    Non-integrated optical waveguide gas sensor
    Fig. 6. Non-integrated optical waveguide gas sensor
    Fully integrated on-chip gas sensing platform
    Fig. 7. Fully integrated on-chip gas sensing platform
    MaterialRefractive indexInfrared transparency window
    Silicon,Si~3.41~8 μm
    Silica,SiO2~1.41~3.6 μm
    Silicon nitride,Si3N4~1.91~7 μm
    Sapphire~1.71~5.5 μm
    Calcium fluoride,CaF2~1.41~9 μm
    Germanium,Ge41.5~14.7 μm
    Chalcogenide glass2~31~20 μm
    Table 1. Commonly used waveguide materials and infrared optical properties
    ReferenceMaterialWaveguideWavelength/μmLoss/(dB·cm-1L/cmECFGasLoD/ppm
    40COCRectangular

    7.7

    7.7

    2.5

    2.5

    1.7

    1.7

    5%

    5%

    CH4

    N2O

    14.2

    1.6

    42COCRectangular

    4.3

    3.31

    7.66

    1

    1

    1

    4.3

    4.3

    4.3

    8%

    8%

    8%

    CO2

    CH4

    CH4

    0.268

    1.848

    0.781

    61

    Si

    Si3N4

    SiO2

    Si

    Si3N4

    SiO2

    Rectangular

    Rectangular

    Rectangular

    Slot

    Slot

    Slot

    1.653

    1.653

    1.653

    1.653

    1.653

    1.653

    -

    -

    -

    -

    -

    -

    -

    -

    -

    -

    -

    -

    20%

    39.5%

    39.8%

    61.6%

    41.8%

    42.9%

    CH4

    CH4

    CH4

    CH4

    CH4

    CH4

    -

    -

    -

    -

    -

    -

    62SOORectangular3.39--55%CH4-
    60SiGeRectangular7.722.170.17%CH4366
    63Si-SiO2Rectangular4.67--53%CO-
    64SU-8RectangularNear infrared--20%--
    66NOORectangular

    2.71

    2.76

    2.896

    3

    3.2

    3.315

    22<10%

    H2O

    CO2

    NO2

    NH3

    C2H2

    CH4

    <200
    67

    COC

    Porous Ge

    COC

    Porous Ge

    Rectangular

    4.3

    4.3

    7.7

    7.7

    3

    3

    3

    3

    1.44

    1.40

    1.45

    1.41

    1%

    45.3%

    1%

    44.7%

    CO2

    CO2

    CH4

    CH4

    5.63

    0.12

    84.65

    1.89

    68

    SOI

    SOI

    Slot

    Rib slot

    1.55

    1.55

    -

    -

    -

    -

    45%

    35%

    -

    -

    -

    -

    43SOSSlot4.23--25%CO2-
    41SONSlot350.8743%NH35
    69InAsSlot7~8---CH4-
    70SOOSlot3.39--47%CH4-
    71Si-on-CaF2Slot

    4.47

    4.6

    3.67

    3

    3

    3

    1.44

    1.44

    1.44

    68.0%

    66.6%

    65.4%

    NH3

    CO

    CH4

    0.214

    0.436

    36

    32ChGSuspended slot3.29131.4585.77%CH41.70
    72SOISlot1.6451.6327%CH4-
    73ChGSuspended slot3.672.21.95493.81%CH418.17
    74NOOSlot

    1.65

    1.85

    1.95

    2

    22

    ~18.5%

    ~23%

    ~24.5%

    ~24.5%

    CH4

    H2O

    NH3

    CO2

    262

    94.3

    136

    437

    75Ge-on-CaF2Slot3.3130.8622%CH4-
    37ChG-on-CaF2Slot racetrack resonator3.29130.09444.63%CH43.87
    76SOISlot photonic crystal1.53-0.03-C2H23.15
    36SOISubwavelength grating1.65131.44-CH42.8
    79SOISlot subwavelength grating1.65131.4551.8%CH40.034
    Table 2. Theoretical analysis results of waveguide gas sensor performance
    ReferenceMaterialWaveguideWavelength/μmLoss/(dB·cm-1L/cmECFGasLoD(ppm)/τ(s)
    80NOORectangular0.975--10.9%Rb-
    47COORectangular3.31728%CH425 000/-
    52SOIRectangular1.65121025.4%CH4100/60
    48COORectangular3.25~3.35-1-N-methyl aniline-based aerosol-
    81SONRectangular4.363.98214~16%CO2500
    82SONRectangular4.36-119.5%CO25 000
    83SONRectangularMid-infrared--3.3%CO2100 000
    50COORectangular3.318112.5%CH410 000
    23SOIRectangular1.651-20-CH4~100/~1
    85SOIRectangular

    3.32

    3.35

    2--

    CH4

    Ethanol vapour

    -

    -

    86ChG-on-MgF2Rectangular4.3195.114.6%CO23 000/0.2(WMS)
    34COORectangular3.2913.620.5%CH46 100/50.6
    87ChG-on-MgF2Rectangular3.2911.52

    1

    2

    7.8%CH4

    396.7/81.8(WMS)

    140.8/32.4(WMS)

    88SOISuspended rectangular4.242.90.3244%CO21 000/-
    89Ta2O5Suspended rib2.5666.82107%C2H27/25
    90NOORectangular racetrack resonator1.42---

    Dimethylmethylphosphonate

    Acetone

    Nitrobenzene

    0.002/-

    140/-

    1.5/-

    38SOSRectangular ring resonator4.46-0.1-N2O5 000/-
    56NOORectangular racetrack resonator1.5~1.6---N-methyl aniline aerosols-
    20SOISlot photonic crystal1.66-0.03-CH4100/-
    35InGaAs-on-InP

    Suspended photonic crystal

    Suspended subwavelength grating

    6.15

    39.1

    4.1

    0.1

    0.3

    12%

    10%

    NH3

    0.232/-

    0.084/-

    92SOISuspended subwavelength grating6.654.32.8424.3%Toluene vapour75/-
    93SOIPhotonic crystal3.4-0.917.1%Ethanol vapour0.250/-
    94SOISuspended subwavelength grating7.334.71113%Acetone vapour

    2.5/20

    10/0.03

    Table 3. Experimental performance results of waveguide gas sensor
    Mingquan PI, Chuantao ZHENG, Lei LIANG, Fang SONG, Yiding WANG. Progress of On-chip Infrared Gas Sensing Technique(Invited)[J]. Acta Photonica Sinica, 2023, 52(3): 0352106
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