Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Behnam Naghdi"'
Autor:
Behnam Naghdi, Lawrence R. Chen
Publikováno v:
IEEE Photonics Journal, Vol 10, Iss 4, Pp 1-10 (2018)
Wavelength-division multiplexing over optical links provides an effective solution for the bandwidth challenge of off-chip and on-chip communications. We demonstrate a compact silicon photonic four-channel optical add-drop multiplexer enabled by subw
Externí odkaz:
https://doaj.org/article/69951e88af53467e963df290075dc2d2
Publikováno v:
Optica Advanced Photonics Congress 2022.
To achieve a dispersive fiber, we propose and numerically investigate an approach based on adding resonant elements to anti-resonant hollow core fibers (AR-HCF). Dispersion as large as 17,600 ps.nm − 1.km − 1 is obtained along with < 21dB.km −
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebe46c5139f3cddee7341a302c33f10d
https://doi.org/10.1364/sof.2022.sotu1i.6
https://doi.org/10.1364/sof.2022.sotu1i.6
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics (JSTQE)
Subwavelength grating (SWG) waveguides in silicon-on-insulator are emerging as an enabling technology for implementing compact, high-performance photonic integrated devices and circuits for signal processing and sensing applications. We provide an ov
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6a3bf6368ce2088880771feb859f5c8
https://doi.org/10.1109/jstqe.2018.2879015
https://doi.org/10.1109/jstqe.2018.2879015
Autor:
Behnam Naghdi, Lixian Wang, Jiachuan Lin, Binod Bastola, Frederic Maes, Manish Sharma, Zhiping Jiang
Publikováno v:
Asia Communications and Photonics Conference 2021.
Tubular hollow core fibers with low attenuation have great potential for different optical applications. Here we numerically investigate designs with a tailored jacket tube showing a significant confinement loss improvement of 27%-66% over a wide ban
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::326ed1db4512a2999efa3d730ba64bd3
https://doi.org/10.1364/acpc.2021.t4a.18
https://doi.org/10.1364/acpc.2021.t4a.18
Publikováno v:
Asia Communications and Photonics Conference 2021.
We numerically study the MPI induced penalty for data transmission below G.654.E cut-off. Negligible impact is shown for short-C band while performance degradation is evaluated for O/E/S bands providing input for future comprehensive system analyses.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be3ae9c02a8a45e12876db01ae61e6ec
https://doi.org/10.1364/acpc.2021.t4a.107
https://doi.org/10.1364/acpc.2021.t4a.107
Autor:
Alireza Samani, Lawrence R. Chen, Mostafa M.H. Khalil, Reza Maram, Maxime Jacques, Behnam Naghdi, David V. Plant
Publikováno v:
Scopus-Elsevier
We use cascaded microring modulators in silicon photonics for electro-optic comb generation and achieve 7 comb lines with a spacing of 5 GHz, and 5 comb lines with a spacing of up to 10 GHz.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c8c593770766f82df7b4c0b2413e281
https://doi.org/10.1364/iprsn.2020.im3a.6
https://doi.org/10.1364/iprsn.2020.im3a.6
Publikováno v:
OECC/PSC
We demonstrate a silicon microring modulator incorporating a compact multimode interference (MMI) as the coupling element. The resonance wavelength of the microcavity is controlled independently with two electrical signals, which can potentially be u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4efccae68a151d462783ba8ea364c24
https://doi.org/10.23919/ps.2019.8817871
https://doi.org/10.23919/ps.2019.8817871
Autor:
Lawrence R. Chen, Behnam Naghdi
Publikováno v:
2018 IEEE 15th International Conference on Group IV Photonics (GFP).
We demonstrate a compact silicon photonic 4-channel optical add-drop wavelength multiplexer enabled by subwavelength-grating-based contra-directional couplers. Pass-bands of the device show on-chip insertion losses below 1.3 dB with wide 3 dB bandwid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf7f80cb7137555c5c450a5cf1532138
https://doi.org/10.1109/group4.2018.8478737
https://doi.org/10.1109/group4.2018.8478737
Autor:
Lawrence R. Chen, Behnam Naghdi
Publikováno v:
Optics express. 24(20)
We propose and demonstrate a novel design of contradirectional couplers in which a subwavelength grating (SWG) waveguide replaces one of the asymmetric waveguides of the conventional designs. The fabricated devices in silicon-on-insulator (SOI) platf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a5be5a8e92049d9b4f1d83ad91884c4
https://pubmed.ncbi.nlm.nih.gov/27828406
https://pubmed.ncbi.nlm.nih.gov/27828406
Autor:
Behnam Naghdi, Lawrence R. Chen
Publikováno v:
Optics Express. 25:25310
We tailor the spectral characteristics of silicon photonic contradirectional couplers (Contra-DCs), where the design of the coupler is based on placing a subwavelength grating (SWG) waveguide next to a strip waveguide. By tapering the gap distance be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38c6f71d85c9a3a05955562e5cbffdd2
https://doi.org/10.1364/oe.25.025310
https://doi.org/10.1364/oe.25.025310