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Design of a flat-field arrayed waveguide grating
KTH, Skolan för informations- och kommunikationsteknik (ICT), Centra, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.
KTH, Skolan för informations- och kommunikationsteknik (ICT), Centra, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.
KTH, Skolan för informations- och kommunikationsteknik (ICT), Centra, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.
KTH, Skolan för elektro- och systemteknik (EES), Elektroteknisk teori och konstruktion. KTH, Skolan för informations- och kommunikationsteknik (ICT), Centra, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.ORCID-id: 0000-0002-3401-1125
2005 (Engelska)Ingår i: Optoelectronic Devices and Integration, 2005, Vol. 5644, s. 500-507Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

A curved image plane is usually used in a conventional Rowland-type AWG For some applications (e.g., sensing), a straight image plane is desirable so that the output field at the image plane can be received directly with a detector-array. If one simply chooses a flat output plane (instead of a circular output curve) without optimization for a conventional AWG of Rowland circle type, some considerable aberrations will be introduced, which degrade the performances of the AWG The aberrations are calculated and analyzed with an optical path function. A three-stigmatic-point method is used to optimize the design of an AWG with a straight image plane and minimize the aberrations. In this design, the aberrations at three special wavelengths are removed. The first order aberrations at all wavelengths are also eliminated. An 80-channel flat-field AWG is designed as an example. The results show that the aberrations are reduced greatly and a good spectral response with tolerated side-lodes is obtained.

Ort, förlag, år, upplaga, sidor
2005. Vol. 5644, s. 500-507
Serie
Proceedings of SPIE, ISSN 0277-786X ; 5644
Nyckelord [en]
flat-field, arrayed waveguide grating, stigmatic points, aberration, sensor
Nationell ämneskategori
Elektroteknik och elektronik
Identifikatorer
URN: urn:nbn:se:kth:diva-36721DOI: 10.1117/12.566869ISI: 000227634300062OAI: oai:DiVA.org:kth-36721DiVA, id: diva2:430990
Konferens
Conference on Optoelectronic Devices and Integration Beijing, PEOPLES R CHINA, NOV 08-11, 2004
Anmärkning

QC 20110714

Tillgänglig från: 2011-07-14 Skapad: 2011-07-13 Senast uppdaterad: 2017-03-29Bibliografiskt granskad

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He, Sailing

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Av författaren/redaktören
Shi, YaochengDai, DaoxinZhou, QincunHe, Sailing
Av organisationen
Zhejiang-KTH Joint Research Center of Photonics, JORCEPElektroteknisk teori och konstruktion
Elektroteknik och elektronik

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