Results 11 to 20 of about 338,902 (299)

All-optical membrane InP switch on silicon for access applications [PDF]

open access: yes, 2012
Using an integrated membrane switch on SOI, optical clock distribution is achieved while all-optical switching of datapackets is maintained.
Dorren, HJS   +3 more
core   +5 more sources

Research on Optical/Electric Hybrid Switching Technique for Space-Integrated-Ground Information Network

open access: yes天地一体化信息网络, 2021
Space-integrated-ground information network will face the challenges of heterogeneous links, multi-granularity of information and limited resources in the process of networking.The problems can be solved by data switching design.The architecture of space-
Shanghong ZHAO   +3 more
doaj   +2 more sources

Bistability patterns and nonlinear switching with very high contrast ratio in a 1550 nm quantum dash semiconductor laser [PDF]

open access: yes, 2012
We report on the experimental observation of optical bistability (OB) and nonlinear switching (NS) in a nanostructure laser; specifically a 1550 nm quantum dash Fabry-Perot laser subject to external optical injection and operated in reflection. Different
A. Hurtado   +6 more
core   +1 more source

Optical SOA-based switching

open access: yesCommunications, 2004
All-optical switches are fundamental building blocks for high-speed optical networks and basic blocks towards all-optical networks for future communications that utilize Optical Time Division Multiplexing (OTDM) techniques of signal with single channel ...
Radoslav Odrobinak   +2 more
doaj   +1 more source

Evaluation of the optical switching characteristics of erbium-doped fibres for the development of a fibre Bragg grating sensor interrogator [PDF]

open access: yes, 2014
A polling topology that employs optical switching based on the properties of erbium-doped fibres (EDFs) is used to interrogate an array of FBGs. The properties of the EDF are investigated in its pumped and un-pumped states and the EDFs’ switching ...
Bhattacharyya, Debabrata   +7 more
core   +1 more source

Towards High Extinction Ratio in Silicon Thermo-Optic Switches—Unravelling Complexity of Fabrication Variation

open access: yesIEEE Photonics Journal, 2018
$2\times 2$ Mach–Zehnder thermo-optic switches on silicon are found to exhibit huge difference of extinction ratios between the bar and cross port, with the bar port lower by up to 20 dB.
Rui Zhu   +4 more
doaj   +1 more source

Experimental Study of Hollow-Core Photonic Crystal Fiber Optical Switching Effect in Liquid Nitrogen Environment

open access: yesIEEE Photonics Journal, 2020
In this study, the hollow-core photonic crystal fiber (HC-PCF) optical switching effect in liquid nitrogen (LN2) environment is demonstrated and experimentally investigated.
Ningfang Song   +4 more
doaj   +1 more source

Ultrafast all-optically controlled 2×2 crossbar switch [PDF]

open access: yes, 1996
All-optical packet switching using all-optical routing control, where both ultrafast address recognition and routing of photonic packets were all optically performed on a header with 4 picosecond bit period, was demonstrated.
Glesk, I., Il Kang, K., Prucnal, P. R.
core   +1 more source

End-to-End Real-Time Demonstration of the Slotted, SDN-Controlled NEPHELE Optical Datacenter Network

open access: yesPhotonics, 2020
The NEPHELE hybrid electro-optical datacenter network (DCN) architecture is proposed as a dynamic network solution to provide high capacity, scalability, and cost efficiency in comparison to the existing DCN infrastructures.
Konstantinos Tokas   +13 more
doaj   +1 more source

125 Gbit/s discretely tunable InP-on-silicon filtered feedback laser with sub-nanosecond wavelength switching times [PDF]

open access: yes, 2018
A heterogeneously integrated InP-on-silicon fast tunable filtered feedback laser is demonstrated. The laser device consists of a main Fabry-Pérot cavity connected to an integrated arrayed waveguide grating of which the outputs form external cavities in ...
  +3 more
core   +2 more sources

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