dorsal/arxiv
View SchemaTwo photon absorption and coherent control with broadband down-converted light
| Authors | Barak Dayan, Avi Pe'er, Asher A. Friesem, Yaron Silberberg |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0401088 |
| URL | https://arxiv.org/abs/quant-ph/0401088 |
| DOI | 10.1103/PhysRevLett.93.023005 |
| Journal | Phys. Rev. Lett. 93, 023005 (2004) |
Abstract
We experimentally demonstrate two-photon absorption (TPA) with broadband down-converted light (squeezed vacuum). Although incoherent and exhibiting the statistics of a thermal noise, broadband down-converted light can induce TPA with the same sharp temporal behavior as femtosecond pulses, while exhibiting the high spectral resolution of the narrowband pump laser. Using pulse-shaping methods, we coherently control TPA in Rubidium, demonstrating spectral and temporal resolutions that are 3-5 orders of magnitude below the actual bandwidth and temporal duration of the light itself. Such properties can be exploited in various applications such as spread-spectrum optical communications, tomography and nonlinear microscopy.
{
"annotation_id": "c19b8797-15f7-4e4f-aad0-16ef29851b5c",
"date_created": "2026-03-02T18:02:03.306000Z",
"date_modified": "2026-03-02T18:02:03.306000Z",
"file_hash": "d9888265d13d8f64c2e665a08f7ce27a0147ae0b52f8ad184651fb8762042a4f",
"private": false,
"record": {
"abstract": "We experimentally demonstrate two-photon absorption (TPA) with broadband\ndown-converted light (squeezed vacuum). Although incoherent and exhibiting the\nstatistics of a thermal noise, broadband down-converted light can induce TPA\nwith the same sharp temporal behavior as femtosecond pulses, while exhibiting\nthe high spectral resolution of the narrowband pump laser. Using pulse-shaping\nmethods, we coherently control TPA in Rubidium, demonstrating spectral and\ntemporal resolutions that are 3-5 orders of magnitude below the actual\nbandwidth and temporal duration of the light itself. Such properties can be\nexploited in various applications such as spread-spectrum optical\ncommunications, tomography and nonlinear microscopy.",
"arxiv_id": "quant-ph/0401088",
"authors": [
"Barak Dayan",
"Avi Pe\u0027er",
"Asher A. Friesem",
"Yaron Silberberg"
],
"categories": [
"quant-ph",
"physics.atom-ph"
],
"doi": "10.1103/PhysRevLett.93.023005",
"journal_ref": "Phys. Rev. Lett. 93, 023005 (2004)",
"title": "Two photon absorption and coherent control with broadband down-converted light",
"url": "https://arxiv.org/abs/quant-ph/0401088"
},
"schema_id": "dorsal/arxiv",
"source": {
"execution_id": "704471d4-8af6-4c2a-92d4-fffdf16caa39",
"id": "arXiv Dataset IDs",
"type": "Model",
"variant": "snapshot-2026-03-01",
"version": "0.1.0"
},
"user_id": 1000002
}