Detectivity enhancement in quantum well infrared photodetectors utilizing a photonic crystal slab resonator
We characterize the performance of a quantum well infrared photodetector (QWIP), which is fabricated as a photonic crystal slab (PCS) resonator. The strongest resonance of the PCS is designed to coincide with the absorption peak frequency at 7.6 µm of the QWIP. To accurately characterize the detecto...
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| Veröffentlicht in: | Optics express 2012-02, Vol.20 (5), p.5622-5628 |
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| container_end_page | 5628 |
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| container_issue | 5 |
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| container_title | Optics express |
| container_volume | 20 |
| creator | Kalchmair, S Gansch, R Ahn, S I Andrews, A M Detz, H Zederbauer, T Mujagić, E Reininger, P Lasser, G Schrenk, W Strasser, G |
| description | We characterize the performance of a quantum well infrared photodetector (QWIP), which is fabricated as a photonic crystal slab (PCS) resonator. The strongest resonance of the PCS is designed to coincide with the absorption peak frequency at 7.6 µm of the QWIP. To accurately characterize the detector performance, it is illuminated by using single mode mid-infrared lasers. The strong resonant absorption enhancement yields a detectivity increase of up to 20 times. This enhancement is a combined effect of increased responsivity and noise current reduction. With increasing temperature, we observe a red shift of the PCS-QWIP resonance peak of -0.055 cm(-1)/K. We attribute this effect to a refractive index change and present a model based on the revised plane wave method. |
| doi_str_mv | 10.1364/OE.20.005622 |
| format | Article |
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The strongest resonance of the PCS is designed to coincide with the absorption peak frequency at 7.6 µm of the QWIP. To accurately characterize the detector performance, it is illuminated by using single mode mid-infrared lasers. The strong resonant absorption enhancement yields a detectivity increase of up to 20 times. This enhancement is a combined effect of increased responsivity and noise current reduction. With increasing temperature, we observe a red shift of the PCS-QWIP resonance peak of -0.055 cm(-1)/K. We attribute this effect to a refractive index change and present a model based on the revised plane wave method.</description><subject>Equipment Design</subject><subject>Equipment Failure Analysis</subject><subject>Infrared Rays</subject><subject>Lasers</subject><subject>Photometry - instrumentation</subject><subject>Quantum Theory</subject><subject>Signal-To-Noise Ratio</subject><subject>Transducers</subject><issn>1094-4087</issn><issn>1094-4087</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpNkE1PwzAMhiMEYmNw44xy40JLvtomRzTGhzRpl92jNE1ZoE23JAWNX0-hA-GLbfnxa_kF4BKjFNOc3a4WKUEpQllOyBGYYiRYwhAvjv_VE3AWwitCmBWiOAUTQhjmNBdT8HZvotHRvtu4h8ZtlNOmNS5C6-CuVy72LfwwTTP0tVfeVHC76WJX_Wx1PsA-2sZ-WvcC1ThyVkPt9yGqBoZGldCb0Dk1wOfgpFZNMBeHPAPrh8V6_pQsV4_P87tlohktYqIExkjlhBdEY865QphowkyNc1pknCChKTeizopcl4rVOqcIZ5WoSakFV3QGrkfZre92vQlRtjbo4QflTNcHKQgfLgwxkDcjqX0Xgje13HrbKr-XGMlvc-VqIQmSo7kDfnUQ7svWVH_wr5v0C-6rdm0</recordid><startdate>20120227</startdate><enddate>20120227</enddate><creator>Kalchmair, S</creator><creator>Gansch, R</creator><creator>Ahn, S I</creator><creator>Andrews, A M</creator><creator>Detz, H</creator><creator>Zederbauer, T</creator><creator>Mujagić, E</creator><creator>Reininger, P</creator><creator>Lasser, G</creator><creator>Schrenk, W</creator><creator>Strasser, G</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20120227</creationdate><title>Detectivity enhancement in quantum well infrared photodetectors utilizing a photonic crystal slab resonator</title><author>Kalchmair, S ; Gansch, R ; Ahn, S I ; Andrews, A M ; Detz, H ; Zederbauer, T ; Mujagić, E ; Reininger, P ; Lasser, G ; Schrenk, W ; Strasser, G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c437t-a9110a62872c1888a012c24ef163758209c38e9f576cba4fc63015d9f2bc98a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Equipment Design</topic><topic>Equipment Failure Analysis</topic><topic>Infrared Rays</topic><topic>Lasers</topic><topic>Photometry - instrumentation</topic><topic>Quantum Theory</topic><topic>Signal-To-Noise Ratio</topic><topic>Transducers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kalchmair, S</creatorcontrib><creatorcontrib>Gansch, R</creatorcontrib><creatorcontrib>Ahn, S I</creatorcontrib><creatorcontrib>Andrews, A M</creatorcontrib><creatorcontrib>Detz, H</creatorcontrib><creatorcontrib>Zederbauer, T</creatorcontrib><creatorcontrib>Mujagić, E</creatorcontrib><creatorcontrib>Reininger, P</creatorcontrib><creatorcontrib>Lasser, G</creatorcontrib><creatorcontrib>Schrenk, W</creatorcontrib><creatorcontrib>Strasser, G</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Optics express</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kalchmair, S</au><au>Gansch, R</au><au>Ahn, S I</au><au>Andrews, A M</au><au>Detz, H</au><au>Zederbauer, T</au><au>Mujagić, E</au><au>Reininger, P</au><au>Lasser, G</au><au>Schrenk, W</au><au>Strasser, G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Detectivity enhancement in quantum well infrared photodetectors utilizing a photonic crystal slab resonator</atitle><jtitle>Optics express</jtitle><addtitle>Opt Express</addtitle><date>2012-02-27</date><risdate>2012</risdate><volume>20</volume><issue>5</issue><spage>5622</spage><epage>5628</epage><pages>5622-5628</pages><issn>1094-4087</issn><eissn>1094-4087</eissn><abstract>We characterize the performance of a quantum well infrared photodetector (QWIP), which is fabricated as a photonic crystal slab (PCS) resonator. 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| ispartof | Optics express, 2012-02, Vol.20 (5), p.5622-5628 |
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| source | MEDLINE; DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection |
| subjects | Equipment Design Equipment Failure Analysis Infrared Rays Lasers Photometry - instrumentation Quantum Theory Signal-To-Noise Ratio Transducers |
| title | Detectivity enhancement in quantum well infrared photodetectors utilizing a photonic crystal slab resonator |
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