Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Ahmet E. Akosman"'
Autor:
Mustafa Ordu, Ahmet E. Akosman
Publikováno v:
Optica Advanced Photonics Congress 2022.
A new negative curvature hollow-core fiber layout with optimally positioned nested elements is presented. Confinement losses of 0.003 dB/km at 1.55 µm are achieved, corresponding to two orders of magnitude improvement compared to conventional design
Re-thinking the design of low-loss hollow-core fibers via optimal positioning of the nested elements
Autor:
Mustafa, Ordu, Ahmet E, Akosman
Publikováno v:
Optics Letters
Nested negative curvature hollow-core fibers (NCFs) represent state-of-art optical guidance in the near-infrared (near-IR) region. In this Letter, we propose a unique design approach for these types of fibers in order to further improve optical trans
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff268487be3c9ea275958ba268b9d0de
https://hdl.handle.net/11693/111570
https://hdl.handle.net/11693/111570
Publikováno v:
Optica Advanced Photonics Congress 2022.
A frequency selective negative curvature fiber design is proposed for potential optical sensing applications. Loss modulation depth of 11.78 dB and differential loss ratio of 51 between the baseline and filtered wavelengths were achieved.
Autor:
Ahmet E. Akosman, Jicheng Guo, Soumendra N. Basu, Shyamsunder Erramilli, Siddharth Ramachandran, Mustafa Ordu
Publikováno v:
Advanced Fiber Materials
We report a study investigating the effects of thermal annealing on the optical properties of Si-Ge alloy-core silica-cladded fibers. Low temperature fiber draw was performed with a laboratory-made draw tower at 1760 °C that minimizes impurity diffu
Publikováno v:
IEEE Photonics Technology Letters. 31:1787-1790
A broadband supercontinuum is generated from a thulium ultrafast soliton fiber laser in a high numerical aperture silica fiber with low nJ seed pulse energies. Amplification of a thulium based ultrafast soliton ring fiber laser in two customized thul
Publikováno v:
IEEE Research and Applications of Photonics In Defense Conference (RAPID)
Conference Name: 2021 IEEE Research and Applications of Photonics in Defense Conference (RAPID) Date of Conference: 27 August 2021 The sources of the confinement losses in semiconductor-core optical fibers are numerically investigated by introducing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0015cf6205859f1ef957e067a06b64c9
https://hdl.handle.net/11693/77135
https://hdl.handle.net/11693/77135
Autor:
Ahmet E. Akosman, Mustafa Ordu
Publikováno v:
Optics Communications
In this study, a novel tubular hollow-core fiber design with extended cladding structures aiming low transmission losses and dominant single-mode guidance in the infrared region is proposed. The fiber parameters are optimized to achieve low-loss oper
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cee30b7a457479ce5c6745812028fd0d
https://hdl.handle.net/11693/77577
https://hdl.handle.net/11693/77577
Autor:
Ahmet E. Akosman, Mustafa Ordu
Publikováno v:
Novel Optical Materials and Applications-Conference Proceedings 2015-2022
Date of Conference: 26–29 July 2021 Conference name: OSA Advanced Photonics Congress 2021 A new negative curvature hollow-core fiber with a compound cladding structure is proposed. Compared to conventional nested structures, the proposed design fea
Autor:
Ahmet E. Akosman, Jicheng Guo, Siddharth Ramachandran, Soumendra N. Basu, Shyamsunder Erramilli, Mustafa Ordu
Publikováno v:
2020 IEEE Research and Applications of Photonics in Defense Conference, RAPID 2020-Proceedings
Date of Conference: 10-12 August 2020 Conference name: 3rd IEEE Research and Applications of Photonics in Defense Conference, RAPID 2020 Si-Ge alloy-core silica-cladded fibers were drawn at a low temperature to minimize impurity diffusion. The elemen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::798ce3d6a9aa29d257bfd3bd089880d1
https://hdl.handle.net/11693/54998
https://hdl.handle.net/11693/54998
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 24:1-7
Polarization rotation dynamics for group velocity locked vector solitons in higher order harmonically mode-locked soliton fiber lasers are studied for the first time, in a thulium/holmium fiber laser. In a linear ultrafast fiber laser with net anomal