(INVITED) Exceptional points of parity-time- and anti-parity-time-symmetric devices for refractive index and absorption-based sensing

Parity-time symmetry has gained attention in optical research, for the interesting properties of exceptional points of showing enhanced sensitivity to external perturbation. Such a property has been widely proposed for different applications. Recently, also anti-parity-time symmetry has gained a gro...
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Autor*in:	Martino De Carlo [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	PT symmetry Anti-PT symmetry Refractive index Absorption Integrated sensors Stability

Übergeordnetes Werk:	In: Results in Optics - Elsevier, 2021, 2(2021), Seite 100052-
Übergeordnetes Werk:	volume:2 ; year:2021 ; pages:100052-

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1016/j.rio.2020.100052

Katalog-ID:	DOAJ058776907

Internformat


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520			\|a Parity-time symmetry has gained attention in optical research, for the interesting properties of exceptional points of showing enhanced sensitivity to external perturbation. Such a property has been widely proposed for different applications. Recently, also anti-parity-time symmetry has gained a growing interest and has been proposed as an alternative to parity-time-symmetric sensors.However, in literature, the effect of the eigenfrequency splitting on the measurable transfer function in the proximity of exceptional point is often neglected, leading to unstable systems and complex readout schemes.In this work it will be shown how parity-time-symmetric and anti-parity-time-symmetric high-sensitivity sensors can be properly designed for refractive index and absorption-based sensing, guaranteeing stability and simplicity of the readout scheme.
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publishDate	2021
allfields	10.1016/j.rio.2020.100052 doi (DE-627)DOAJ058776907 (DE-599)DOAJ73606619956e42ebb61ba0046c149ec9 DE-627 ger DE-627 rakwb eng QC350-467 Martino De Carlo verfasserin aut (INVITED) Exceptional points of parity-time- and anti-parity-time-symmetric devices for refractive index and absorption-based sensing 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Parity-time symmetry has gained attention in optical research, for the interesting properties of exceptional points of showing enhanced sensitivity to external perturbation. Such a property has been widely proposed for different applications. Recently, also anti-parity-time symmetry has gained a growing interest and has been proposed as an alternative to parity-time-symmetric sensors.However, in literature, the effect of the eigenfrequency splitting on the measurable transfer function in the proximity of exceptional point is often neglected, leading to unstable systems and complex readout schemes.In this work it will be shown how parity-time-symmetric and anti-parity-time-symmetric high-sensitivity sensors can be properly designed for refractive index and absorption-based sensing, guaranteeing stability and simplicity of the readout scheme. PT symmetry Anti-PT symmetry Refractive index Absorption Integrated sensors Stability Optics. Light In Results in Optics Elsevier, 2021 2(2021), Seite 100052- (DE-627)1744854696 26669501 nnns volume:2 year:2021 pages:100052- https://doi.org/10.1016/j.rio.2020.100052 kostenfrei https://doaj.org/article/73606619956e42ebb61ba0046c149ec9 kostenfrei http://www.sciencedirect.com/science/article/pii/S2666950120300523 kostenfrei https://doaj.org/toc/2666-9501 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 2 2021 100052-
spelling	10.1016/j.rio.2020.100052 doi (DE-627)DOAJ058776907 (DE-599)DOAJ73606619956e42ebb61ba0046c149ec9 DE-627 ger DE-627 rakwb eng QC350-467 Martino De Carlo verfasserin aut (INVITED) Exceptional points of parity-time- and anti-parity-time-symmetric devices for refractive index and absorption-based sensing 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Parity-time symmetry has gained attention in optical research, for the interesting properties of exceptional points of showing enhanced sensitivity to external perturbation. Such a property has been widely proposed for different applications. Recently, also anti-parity-time symmetry has gained a growing interest and has been proposed as an alternative to parity-time-symmetric sensors.However, in literature, the effect of the eigenfrequency splitting on the measurable transfer function in the proximity of exceptional point is often neglected, leading to unstable systems and complex readout schemes.In this work it will be shown how parity-time-symmetric and anti-parity-time-symmetric high-sensitivity sensors can be properly designed for refractive index and absorption-based sensing, guaranteeing stability and simplicity of the readout scheme. PT symmetry Anti-PT symmetry Refractive index Absorption Integrated sensors Stability Optics. Light In Results in Optics Elsevier, 2021 2(2021), Seite 100052- (DE-627)1744854696 26669501 nnns volume:2 year:2021 pages:100052- https://doi.org/10.1016/j.rio.2020.100052 kostenfrei https://doaj.org/article/73606619956e42ebb61ba0046c149ec9 kostenfrei http://www.sciencedirect.com/science/article/pii/S2666950120300523 kostenfrei https://doaj.org/toc/2666-9501 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 2 2021 100052-
allfields_unstemmed	10.1016/j.rio.2020.100052 doi (DE-627)DOAJ058776907 (DE-599)DOAJ73606619956e42ebb61ba0046c149ec9 DE-627 ger DE-627 rakwb eng QC350-467 Martino De Carlo verfasserin aut (INVITED) Exceptional points of parity-time- and anti-parity-time-symmetric devices for refractive index and absorption-based sensing 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Parity-time symmetry has gained attention in optical research, for the interesting properties of exceptional points of showing enhanced sensitivity to external perturbation. Such a property has been widely proposed for different applications. Recently, also anti-parity-time symmetry has gained a growing interest and has been proposed as an alternative to parity-time-symmetric sensors.However, in literature, the effect of the eigenfrequency splitting on the measurable transfer function in the proximity of exceptional point is often neglected, leading to unstable systems and complex readout schemes.In this work it will be shown how parity-time-symmetric and anti-parity-time-symmetric high-sensitivity sensors can be properly designed for refractive index and absorption-based sensing, guaranteeing stability and simplicity of the readout scheme. PT symmetry Anti-PT symmetry Refractive index Absorption Integrated sensors Stability Optics. Light In Results in Optics Elsevier, 2021 2(2021), Seite 100052- (DE-627)1744854696 26669501 nnns volume:2 year:2021 pages:100052- https://doi.org/10.1016/j.rio.2020.100052 kostenfrei https://doaj.org/article/73606619956e42ebb61ba0046c149ec9 kostenfrei http://www.sciencedirect.com/science/article/pii/S2666950120300523 kostenfrei https://doaj.org/toc/2666-9501 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 2 2021 100052-
allfieldsGer	10.1016/j.rio.2020.100052 doi (DE-627)DOAJ058776907 (DE-599)DOAJ73606619956e42ebb61ba0046c149ec9 DE-627 ger DE-627 rakwb eng QC350-467 Martino De Carlo verfasserin aut (INVITED) Exceptional points of parity-time- and anti-parity-time-symmetric devices for refractive index and absorption-based sensing 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Parity-time symmetry has gained attention in optical research, for the interesting properties of exceptional points of showing enhanced sensitivity to external perturbation. Such a property has been widely proposed for different applications. Recently, also anti-parity-time symmetry has gained a growing interest and has been proposed as an alternative to parity-time-symmetric sensors.However, in literature, the effect of the eigenfrequency splitting on the measurable transfer function in the proximity of exceptional point is often neglected, leading to unstable systems and complex readout schemes.In this work it will be shown how parity-time-symmetric and anti-parity-time-symmetric high-sensitivity sensors can be properly designed for refractive index and absorption-based sensing, guaranteeing stability and simplicity of the readout scheme. PT symmetry Anti-PT symmetry Refractive index Absorption Integrated sensors Stability Optics. Light In Results in Optics Elsevier, 2021 2(2021), Seite 100052- (DE-627)1744854696 26669501 nnns volume:2 year:2021 pages:100052- https://doi.org/10.1016/j.rio.2020.100052 kostenfrei https://doaj.org/article/73606619956e42ebb61ba0046c149ec9 kostenfrei http://www.sciencedirect.com/science/article/pii/S2666950120300523 kostenfrei https://doaj.org/toc/2666-9501 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 2 2021 100052-
allfieldsSound	10.1016/j.rio.2020.100052 doi (DE-627)DOAJ058776907 (DE-599)DOAJ73606619956e42ebb61ba0046c149ec9 DE-627 ger DE-627 rakwb eng QC350-467 Martino De Carlo verfasserin aut (INVITED) Exceptional points of parity-time- and anti-parity-time-symmetric devices for refractive index and absorption-based sensing 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Parity-time symmetry has gained attention in optical research, for the interesting properties of exceptional points of showing enhanced sensitivity to external perturbation. Such a property has been widely proposed for different applications. Recently, also anti-parity-time symmetry has gained a growing interest and has been proposed as an alternative to parity-time-symmetric sensors.However, in literature, the effect of the eigenfrequency splitting on the measurable transfer function in the proximity of exceptional point is often neglected, leading to unstable systems and complex readout schemes.In this work it will be shown how parity-time-symmetric and anti-parity-time-symmetric high-sensitivity sensors can be properly designed for refractive index and absorption-based sensing, guaranteeing stability and simplicity of the readout scheme. PT symmetry Anti-PT symmetry Refractive index Absorption Integrated sensors Stability Optics. Light In Results in Optics Elsevier, 2021 2(2021), Seite 100052- (DE-627)1744854696 26669501 nnns volume:2 year:2021 pages:100052- https://doi.org/10.1016/j.rio.2020.100052 kostenfrei https://doaj.org/article/73606619956e42ebb61ba0046c149ec9 kostenfrei http://www.sciencedirect.com/science/article/pii/S2666950120300523 kostenfrei https://doaj.org/toc/2666-9501 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 2 2021 100052-
language	English
source	In Results in Optics 2(2021), Seite 100052- volume:2 year:2021 pages:100052-
sourceStr	In Results in Optics 2(2021), Seite 100052- volume:2 year:2021 pages:100052-
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	PT symmetry Anti-PT symmetry Refractive index Absorption Integrated sensors Stability Optics. Light
isfreeaccess_bool	true
container_title	Results in Optics
authorswithroles_txt_mv	Martino De Carlo @@aut@@
publishDateDaySort_date	2021-01-01T00:00:00Z
hierarchy_top_id	1744854696
id	DOAJ058776907
language_de	englisch
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callnumber-first	Q - Science
author	Martino De Carlo
spellingShingle	Martino De Carlo misc QC350-467 misc PT symmetry misc Anti-PT symmetry misc Refractive index misc Absorption misc Integrated sensors misc Stability misc Optics. Light (INVITED) Exceptional points of parity-time- and anti-parity-time-symmetric devices for refractive index and absorption-based sensing
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topic_title	QC350-467 (INVITED) Exceptional points of parity-time- and anti-parity-time-symmetric devices for refractive index and absorption-based sensing PT symmetry Anti-PT symmetry Refractive index Absorption Integrated sensors Stability
topic	misc QC350-467 misc PT symmetry misc Anti-PT symmetry misc Refractive index misc Absorption misc Integrated sensors misc Stability misc Optics. Light
topic_unstemmed	misc QC350-467 misc PT symmetry misc Anti-PT symmetry misc Refractive index misc Absorption misc Integrated sensors misc Stability misc Optics. Light
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title	(INVITED) Exceptional points of parity-time- and anti-parity-time-symmetric devices for refractive index and absorption-based sensing
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title_sort	(invited) exceptional points of parity-time- and anti-parity-time-symmetric devices for refractive index and absorption-based sensing
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title_auth	(INVITED) Exceptional points of parity-time- and anti-parity-time-symmetric devices for refractive index and absorption-based sensing
abstract	Parity-time symmetry has gained attention in optical research, for the interesting properties of exceptional points of showing enhanced sensitivity to external perturbation. Such a property has been widely proposed for different applications. Recently, also anti-parity-time symmetry has gained a growing interest and has been proposed as an alternative to parity-time-symmetric sensors.However, in literature, the effect of the eigenfrequency splitting on the measurable transfer function in the proximity of exceptional point is often neglected, leading to unstable systems and complex readout schemes.In this work it will be shown how parity-time-symmetric and anti-parity-time-symmetric high-sensitivity sensors can be properly designed for refractive index and absorption-based sensing, guaranteeing stability and simplicity of the readout scheme.
abstractGer	Parity-time symmetry has gained attention in optical research, for the interesting properties of exceptional points of showing enhanced sensitivity to external perturbation. Such a property has been widely proposed for different applications. Recently, also anti-parity-time symmetry has gained a growing interest and has been proposed as an alternative to parity-time-symmetric sensors.However, in literature, the effect of the eigenfrequency splitting on the measurable transfer function in the proximity of exceptional point is often neglected, leading to unstable systems and complex readout schemes.In this work it will be shown how parity-time-symmetric and anti-parity-time-symmetric high-sensitivity sensors can be properly designed for refractive index and absorption-based sensing, guaranteeing stability and simplicity of the readout scheme.
abstract_unstemmed	Parity-time symmetry has gained attention in optical research, for the interesting properties of exceptional points of showing enhanced sensitivity to external perturbation. Such a property has been widely proposed for different applications. Recently, also anti-parity-time symmetry has gained a growing interest and has been proposed as an alternative to parity-time-symmetric sensors.However, in literature, the effect of the eigenfrequency splitting on the measurable transfer function in the proximity of exceptional point is often neglected, leading to unstable systems and complex readout schemes.In this work it will be shown how parity-time-symmetric and anti-parity-time-symmetric high-sensitivity sensors can be properly designed for refractive index and absorption-based sensing, guaranteeing stability and simplicity of the readout scheme.
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title_short	(INVITED) Exceptional points of parity-time- and anti-parity-time-symmetric devices for refractive index and absorption-based sensing
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(INVITED) Exceptional points of parity-time- and anti-parity-time-symmetric devices for refractive index and absorption-based sensing

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