Timeline for Is there interference and which-way-information?
Current License: CC BY-SA 4.0
10 events
| when toggle format | what | by | license | comment | |
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| Feb 16, 2021 at 17:53 | comment | added | werinher | To resolve a time gap of λ/c sounds a bit ambitious. That's why I proposed n*λ/c with n>>1. If n = 10^4 for example the requirement relaxes to a resolution well in the ps range for visible radiation and that's not too tough I think. | |
| Feb 15, 2021 at 21:10 | comment | added | A. P. | So, do you try to detect time-delays of single photons on the order of $\lambda / c$ to find out which path the photon took? This is in principle possible, but the technology is still quite far from there. By the way, you can reply to a particular user so that they get notified. | |
| Feb 14, 2021 at 18:47 | comment | added | werinher | You are right, D2 should have dimension smaller than the distance of the expected interference stripes, if a controlled interference demonstration by PS1 should be possible. The main task for D2 however is to detect any photon in the interference field, independent of the local photon count-rate. That allows to increase the sensitive area of the detector (photo multiplier or avalanche diode) to improve the detection ratio of D2/D1. The TPC is a TAC (time to amplitude converter) with additional digital signal processing or simply an electronic stopwatch. | |
| Feb 14, 2021 at 8:30 | comment | added | A. P. | What kind of detector is D2? In the image it looks like you focus two beams at an angle, which results in interference stripes. So I assume D2 must be spatially resolving. And how does the time-to-phase converter work? I've googled it, but it seems this is not the standard terminology. | |
| Feb 11, 2021 at 21:53 | comment | added | werinher | In any realization of the prosed setup the pump frequency of the laser should be blocked after the BBO crystal and depending on the S/N the down converted frequency selected by interference filters. | |
| Feb 10, 2021 at 7:54 | comment | added | flippiefanus | Are there any wavelength filters in the system? | |
| Feb 10, 2021 at 6:22 | history | edited | HolgerFiedler | CC BY-SA 4.0 |
made it more readable
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| Feb 9, 2021 at 15:11 | comment | added | anna v | look at this answer of mine , and the edited in link at the end. I think you are confusing photonic photons with elementary particle photons physics.stackexchange.com/questions/267034/… | |
| Feb 9, 2021 at 15:08 | review | First posts | |||
| Feb 9, 2021 at 16:43 | |||||
| Feb 9, 2021 at 15:03 | history | asked | werinher | CC BY-SA 4.0 |