High-index sensitivity of surface mode in photonic crystal hetero-slab-edge microcavity

Tsan Wen Lu; Yi Hua Hsiao; Wei De Ho; Po Tsung Lee

doi:10.1364/OL.35.001452

High-index sensitivity of surface mode in photonic crystal hetero-slab-edge microcavity

Tsan Wen Lu^*, Yi Hua Hsiao, Wei De Ho, Po Tsung Lee

^*Corresponding author for this work

Department of Photonics

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

18 Scopus citations

Abstract

We introduce a photonic crystal hetero-slab-edge microcavity design with surface mode, which is beneficial for optical index sensing. The simulated index sensitivity (R _n ) as high as 675 nm per refractive index unit (nm/RIU) variation is obtained with slab thickness of 180 nm. In experiments, single surface mode lasing action from a real device is observed. Based on the surface mode in this microcavity, high experimental R _n value of 625 nm/RIU is achieved by detecting index variation in a CO ₂ chamber with different gas pressures.

Original language	English
Pages (from-to)	1452-1454
Number of pages	3
Journal	Optics Letters
Volume	35
Issue number	9
DOIs	https://doi.org/10.1364/OL.35.001452
State	Published - 1 May 2010

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title = "High-index sensitivity of surface mode in photonic crystal hetero-slab-edge microcavity",

abstract = " We introduce a photonic crystal hetero-slab-edge microcavity design with surface mode, which is beneficial for optical index sensing. The simulated index sensitivity (R n ) as high as 675 nm per refractive index unit (nm/RIU) variation is obtained with slab thickness of 180 nm. In experiments, single surface mode lasing action from a real device is observed. Based on the surface mode in this microcavity, high experimental R n value of 625 nm/RIU is achieved by detecting index variation in a CO 2 chamber with different gas pressures.",

author = "Lu, {Tsan Wen} and Hsiao, {Yi Hua} and Ho, {Wei De} and Lee, {Po Tsung}",

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AU - Lu, Tsan Wen

AU - Hsiao, Yi Hua

AU - Ho, Wei De

AU - Lee, Po Tsung

PY - 2010/5/1

Y1 - 2010/5/1

N2 - We introduce a photonic crystal hetero-slab-edge microcavity design with surface mode, which is beneficial for optical index sensing. The simulated index sensitivity (R n ) as high as 675 nm per refractive index unit (nm/RIU) variation is obtained with slab thickness of 180 nm. In experiments, single surface mode lasing action from a real device is observed. Based on the surface mode in this microcavity, high experimental R n value of 625 nm/RIU is achieved by detecting index variation in a CO 2 chamber with different gas pressures.

AB - We introduce a photonic crystal hetero-slab-edge microcavity design with surface mode, which is beneficial for optical index sensing. The simulated index sensitivity (R n ) as high as 675 nm per refractive index unit (nm/RIU) variation is obtained with slab thickness of 180 nm. In experiments, single surface mode lasing action from a real device is observed. Based on the surface mode in this microcavity, high experimental R n value of 625 nm/RIU is achieved by detecting index variation in a CO 2 chamber with different gas pressures.

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U2 - 10.1364/OL.35.001452

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JO - Optics Letters

JF - Optics Letters

IS - 9

ER -

High-index sensitivity of surface mode in photonic crystal hetero-slab-edge microcavity

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