Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Fitsios, A."'
Autor:
Everaert, Martin Nicolas, Fitsios, Athanasios, Bocchio, Marco, Arpa, Sami, Süsstrunk, Sabine, Achanta, Radhakrishna
There is a bias in the inference pipeline of most diffusion models. This bias arises from a signal leak whose distribution deviates from the noise distribution, creating a discrepancy between training and inference processes. We demonstrate that this
Externí odkaz:
http://arxiv.org/abs/2309.15842
Autor:
S. Papaioannou, D. Fitsios, G. Dabos, K. Vyrsokinos, G. Giannoulis, A. Prinzen, C. Porschatis, M. Waldow, D. Apostolopoulos, H. Avramopoulos, N. Pleros
Publikováno v:
IEEE Photonics Journal, Vol 7, Iss 1, Pp 1-10 (2015)
We demonstrate two 8 × 1 silicon ring resonator (RR)-based multiplexers (MUXs) integrated on the same chip for dual-stream 16-channel multiplexing/ demultiplexing applications. Cascaded second-order RRs equipped with microheaters were integrated on
Externí odkaz:
https://doaj.org/article/e95bf1a997b444ee982ebd7dd996ef3d
Autor:
Dimitrios Fitsios
Στο πλαίσιο της διατριβής αυτής, αναπτύχθηκε για πρώτη φορά μια ενιαία θεωρητική ανάλυση που περιγράφει τη φασματική συνάρτηση μεταφορ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2989b8400ddb50371b66f2e8791de397
https://doi.org/10.12681/eadd/36303
https://doi.org/10.12681/eadd/36303
Publikováno v:
Silicon Photonics XIII.
Publisher’s Note: This conference presentation, originally published on 14 March 2018, was withdrawn on 6 April 2020 per author request.
Autor:
Guillaume Crosnier, Dimitris Fitsios, Fabrice Raineri, Nhung Vu, Francesco Manegatti, Rama Raj, Dorian Sanchez
Publikováno v:
Quantum Sensing and Nano Electronics and Photonics XV.
Autor:
Fabrice Raineri, Dimitris Fitsios
Publikováno v:
Semiconductors and Semimetals
Semiconductors and Semimetals-Silicon Photonics
Silicon Photonics
Semiconductors and Semimetals-Silicon Photonics
Silicon Photonics
Photonic crystal nanolasers on silicon are approaching a point of maturity and seem ready for the leap to the application level. In this chapter, we revisit the basic principles and concepts of photonic crystal nanolasers, starting from the core prin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eccec99b4d089f669a8cedf14e468518
https://doi.org/10.1016/bs.semsem.2018.08.003
https://doi.org/10.1016/bs.semsem.2018.08.003
Autor:
S. Papaioannou, Hercules Avramopoulos, Dimitrios Apostolopoulos, Michael Waldow, Caroline Porschatis, Konstantinos Vyrsokinos, D. Fitsios, Nikos Pleros, Andreas Prinzen, George Dabos, G. Giannoulis
Publikováno v:
IEEE Photonics Journal. 7:1-10
We demonstrate two 8 × 1 silicon ring resonator (RR)-based multiplexers (MUXs) integrated on the same chip for dual-stream 16-channel multiplexing/ demultiplexing applications. Cascaded second-order RRs equipped with microheaters were integrated on
Autor:
George T. Kanellos, Matteo Cherchi, Nikos Pleros, George Dabos, Charoula Mitsolidou, D. Fitsios, Timo Aalto, Theoni Alexoudi, Stelios Pitris, Mikko Harjanne
Publikováno v:
Optical Interconnects XVII
Dabos, G, Pitris, S, Mitsolidou, C, Alexoudi, T, Fitsios, D, Cherchi, M, Harjanne, M, Aalto, T, Kanellos, G T & Pleros, N 2017, Thick-SOI Echelle grating for any-to-any wavelength routing interconnection in multi-socket computing environments . in R T Chen & H Schroder (eds), Optical Interconnects XVII ., 1010914, International Society for Optics and Photonics SPIE, Proceedings of SPIE, vol. 10109, Optical Interconnects XVII, San Francisco, California, United States, 30/01/17 . https://doi.org/10.1117/12.2250772
Dabos, G, Pitris, S, Mitsolidou, C, Alexoudi, T, Fitsios, D, Cherchi, M, Harjanne, M, Aalto, T, Kanellos, G T & Pleros, N 2017, Thick-SOI Echelle grating for any-to-any wavelength routing interconnection in multi-socket computing environments . in R T Chen & H Schroder (eds), Optical Interconnects XVII ., 1010914, International Society for Optics and Photonics SPIE, Proceedings of SPIE, vol. 10109, Optical Interconnects XVII, San Francisco, California, United States, 30/01/17 . https://doi.org/10.1117/12.2250772
As data centers constantly expand, electronic switches are facing the challenge of enhanced scalability and the request for increased pin-count and bandwidth. Photonic technology and wavelength division multiplexing have always been a strong alternat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30d57f01d6246820cb12602ea9785470
http://juuli.fi/Record/0284745817
http://juuli.fi/Record/0284745817
Autor:
Christos Vagionas, D. Fitsios, George T. Kanellos, Amalia Miliou, Konstantinos Vyrsokinos, Nikos Pleros
Publikováno v:
IEEE Journal of Quantum Electronics. 50:1-15
We demonstrate a frequency and time domain analysis for optical random access memory (RAM) cells that rely on semiconductor optical amplifier (SOA)-based switches but employ different switching mechanisms. The first RAM cell utilizes SOA cross gain m
Publikováno v:
Molecular Vision
Scopus-Elsevier
Scopus-Elsevier
Purpose To describe the genotype–phenotype correlation in four Greek pedigrees with autosomal dominant optic atrophy (ADOA) and OPA1 mutations. Methods Seven patients from four unrelated families (F1, F2, F3, F4) were clinically assessed for visual