All-optical Graphene-On-Silicon Slot WaveguideModulator Based on Graphene's Kerr Effect

2021 ◽  
Author(s):  
Saleh Ojaghi ◽  
Saeed Golmohammadi ◽  
Hadi Soofi
Keyword(s):  
Kerr Effect ◽  
All Optical

scholarly journals Design and Modelling of a Novel Integrated Photonic Device for Nano-Scale Magnetic Memory Reading

2020 ◽  
Vol 10 (22) ◽  
pp. 8267
Author(s):  
Figen Ece Demirer ◽  
Chris van den Bomen ◽  
Reinoud Lavrijsen ◽  
Jos J. G. M. van der Tol ◽  
Bert Koopmans
Keyword(s):  
Kerr Effect ◽  
Signal To Noise Ratio ◽  
Magnetic Memory ◽  
Polarization Converter ◽  
Magnetization Direction ◽  
Kerr Rotation ◽  
Photonic Device ◽  
Guided Mode ◽  
All Optical ◽  
Current Design

Design and simulations of an integrated photonic device that can optically detect the magnetization direction of its ultra-thin (∼12 nm) metal cladding, thus ‘reading’ the stored magnetic memory, are presented. The device is an unbalanced Mach Zehnder Interferometer (MZI) based on InP Membrane on Silicon (IMOS) platform. The MZI consists of a ferromagnetic thin-film cladding and a delay line in one branch, and a polarization converter in the other. It quantitatively measures the non-reciprocal phase shift caused by the Magneto-Optic Kerr Effect in the guided mode which depends on the memory bit’s magnetization direction. The current design is an analytical tool for research exploration of all-optical magnetic memory reading. It has been shown that the device is able to read a nanoscale memory bit (400 × 50 × 12 nm) by using a Kerr rotation as small as 0.2∘, in the presence of a noise ∼10 dB in terms of signal-to-noise ratio. The device is shown to tolerate performance reductions that can arise during the fabrication.

Saturation of the all-optical Kerr effect in solids

2012 ◽  
Vol 37 (9) ◽  
pp. 1541 ◽  
Author(s):  
Bastian Borchers ◽  
Carsten Brée ◽  
Simon Birkholz ◽  
Ayhan Demircan ◽  
Günter Steinmeyer
Keyword(s):  
Kerr Effect ◽  
Optical Kerr Effect ◽  
All Optical

All-optical analog-to-digital converter based on Kerr effect in photonic crystal

2018 ◽  
Vol 101 ◽  
pp. 138-143 ◽  
Author(s):  
Dariush Jafari ◽  
Tofiq Nurmohammadi ◽  
Mohammad Javad Asadi ◽  
Karim Abbasian
Keyword(s):  
Photonic Crystal ◽  
Kerr Effect ◽  
Analog To Digital Converter ◽  
Digital Converter ◽  
Analog To Digital ◽  
All Optical ◽  
Optical Analog
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