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Questions related from Dismas Choge
While using Liu's method to estimate the Laser Induced Damage Thresholds of optical mirrors, a plot of damaged area versus logarithm of pulse energies (Liu's plot)yields a linear relation. The...
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Uniformly poled nonlinear crystals are known to yield high conversion efficiency and narrow bandwidth while step-chirped structures have broad bandwidth but low conversion efficiency. Suppose a...
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I have a sample of Y-branch waveguides fabricated on lithium niobate substrate by annealed proton exchange (APE) process. I would like to measure the output power from each arm after coupling...
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Dear all, I would like to study negative corona discharge for poling non linear optical crystals e.g Lithium Tantalate. I have however attempted to use plasma model example in COMSOL but i don't...
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I would like to understand the effect of varying waveguide width of a channel diffused waveguide on the splitting of optical power in terms of branching angle and length of the bend waveguide....
21 February 2016 9,632 4 View
I am using Rsoft Beamprob CAD tool to simulate annealed proton exchange waveguide in MgO doped lithium niobate. However, I am having difficulty in defining diffusion parameters such as diffusion...
09 February 2016 1,036 2 View
Y-branch waveguide structures are fundamental elements of integrated optics devices such as power or optical splitters, power or optical combiners, integrated-optic gyroscopes, Mach-Zehnder...
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Entangled photon pairs generated via spontaneous parametric down conversion have had many applications such as quantum key distribution(QKD), quantum teleportation, in quantum relay chip,...
20 December 2015 1,701 2 View
Following the fact that use of pulsed laser pump in the SPDC generates photons in bursts, does it imply the generated photons possess timing characteristics? If so, how can this be utilized? Any...
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A single photon state can be generated by pulsed excitation from an optical transition between two energy levels in a single quantum system such as QD. I am trying to find a way of generating...
17 November 2015 7,008 9 View
I am working on a project to simulate, fabricate and characterize PPLN waveguide by reverse proton exchange with an aim of achieving a more efficient waveguide for application possibly in...
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