All Questions
Tagged with photonics quantum-optics
17
questions
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26
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Photonic classical and quantum computing
How different is the hardware used for classical and quantum photonic computers? Are there any proposals on hybrid platforms? I'm curious why I never heard of both within the same context, except for ...
- 2,921
4
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1
answer
86
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What happens if obstacles (walls) been put where destructive interference occurs in double slit experiment?
If photon doesn't have probability to be in dark (destructive interference) area, what will be the effect of adding obstacles (walls) in the dark (destructive interference) area for the double slit ...
- 81
1
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2
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78
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Tightly-focusing a single photon
I'm curious about the feasibility, both theoretically and experimentally, of tightly focusing (or spatially trapping) a single photon to guarantee its precise targeting. If it’s possible, isn’t it ...
- 342
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23
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How to get good visibility in Single-photon_interference?
This question is specific to the experimental quantum optics community. I am attempting to perform a Mach-Zehnder interference experiment using single photons as a source. However, I am encountering ...
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5
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100
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How to rotate the polarization of photons?
What device is used to rotate photons from H to V. Does it change the energy of the photons? I heard about half wave plate?
- 651
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1
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92
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How hard is it to obtain perfect alignment of optical equipment?
While reading a published paper, I read that some photons were being detected at the arm of a Michelson interferometer which was intended and set to have approximately perfect deconstructive ...
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0
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571
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What is difference between Quantum optics and photonics in general?
Might be a vague Question, But I'm hard to understand it.
My Interest is Quantum optics, which studies Atom optics, Optical coherence, and experimentally proven foundations of Quantum Mechanics.
...
- 11
2
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1
answer
60
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Explanation for few things in this paper about photonic crystals
In this paper two weakly coupled cavities are excited with light. Their frequencies are modulated by a mechanical pulse. I have the following questions:
What is the Hamiltonian of this system ? I don'...
- 870
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76
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Wavelength-dependence of optical elements in integrated photonic circuits
I am interested in integrated photonic circuits or silicon photonic circuits. In the long run, I would like to analyze these circuits using a rigorous and analytical mathematical approach, taking the ...
- 514
3
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202
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Why do we get rings in the Spontaneous Parametric Down conversion (SPDC) process?
In the SPDC process, the phase-matching conditions between the o-rays and/or e-rays have to hold for the down-conversion process to take place. Say we have a non-collinear phase-matching at the plane ...
- 195
2
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0
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109
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What are the factors that decide which type of SPDC (Type I or II) occurs in a Non-Linear Crystal?
I have been reading through some literature on the theory of Spontaneous Parametric Down conversion (SPDC), their types, the phase-matching condition, etc. To my understanding, the downconverted ...
- 195
2
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1
answer
127
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Squeezed quantum states of light
I am a beginner in quantum optics and started from reading the Fox's book. I got to Ch.7, where there is a discussion about the amplitude-squeezed states. I am really puzzled by the effect of phase ...
- 1,184
2
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1
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108
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About two photon interference in nanophotonics
Within the standard model, photons are point particles, i.e., with no spatial distribution.
On the other hand, classical electromagnetic modes have field distributions.
Suppose there are two different ...
- 43
0
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1
answer
112
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What software / methods to learn for nanophotonics (a branch of photonics) applications?
I'm new to nanophotonics and been looking for some software and methods (Design, modelling, simulation .etc) used in this scientific field. I'll be grateful to know some.
0
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1
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337
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What is the formal definition of Coupling efficiency
Does anyone knows the formal definition of Coupling efficiency?
I have been reading the term in photonics devices and optics.
I have been searching for it, but I could not find any.
Thanks for the ...
- 155