dorsal/arxiv
View SchemaTheory of deep ultraviolet generation at maximum coherence assisted by Stark-chirped two-photon resonance
| Authors | S. A. Myslivets, A. K. Popov, V. V. Kimberg, Thomas F. George |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0301158 |
| URL | https://arxiv.org/abs/quant-ph/0301158 |
| Journal | A chapter in Modern Topics in Chemical Physics, ed. by T.F.George, X.Sun and G.P.Zhang, Research Signpost, Trivandrum, India, 2002, pp. 163-182 |
Abstract
A scheme is analyzed for effcient generation of vacuum ultraviolet radiation through four-wave mixing processes assisted by the technique of Stark-chirped rapid adiabatic passage. These opportunities are associated with pulse excitation of laddertype short-wavelength two-photon atomic or molecular transitions so that relaxation processes can be neglected. In this three-laser technique, a delayed-pulse of strong oR-resonant infrared radiation sweeps the laser-induced Stark-shift of a two-photon transition in a such way that facilitates robust maximum two-photon coherence induced by the first ultraviolet laser. A judiciously delayed third pulse scatters at this coherence and generates short-wavelength radiation. A theoretical analysis of these problems based on the density matrix is performed. A numerical model is developed to carry out simulations of a typical experiment. The results illustrate a behavior of populations, coherence and generated radiation along the medium as well as opportunities of effcient generation of deep (vacuum) ultraviolet radiation.
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"abstract": "A scheme is analyzed for effcient generation of vacuum ultraviolet radiation\nthrough four-wave mixing processes assisted by the technique of Stark-chirped\nrapid adiabatic passage. These opportunities are associated with pulse\nexcitation of laddertype short-wavelength two-photon atomic or molecular\ntransitions so that relaxation processes can be neglected. In this three-laser\ntechnique, a delayed-pulse of strong oR-resonant infrared radiation sweeps the\nlaser-induced Stark-shift of a two-photon transition in a such way that\nfacilitates robust maximum two-photon coherence induced by the first\nultraviolet laser. A judiciously delayed third pulse scatters at this coherence\nand generates short-wavelength radiation. A theoretical analysis of these\nproblems based on the density matrix is performed. A numerical model is\ndeveloped to carry out simulations of a typical experiment. The results\nillustrate a behavior of populations, coherence and generated radiation along\nthe medium as well as opportunities of effcient generation of deep (vacuum)\nultraviolet radiation.",
"arxiv_id": "quant-ph/0301158",
"authors": [
"S. A. Myslivets",
"A. K. Popov",
"V. V. Kimberg",
"Thomas F. George"
],
"categories": [
"quant-ph",
"physics.comp-ph",
"physics.optics"
],
"journal_ref": "A chapter in Modern Topics in Chemical Physics, ed. by T.F.George,\n X.Sun and G.P.Zhang, Research Signpost, Trivandrum, India, 2002, pp. 163-182",
"title": "Theory of deep ultraviolet generation at maximum coherence assisted by Stark-chirped two-photon resonance",
"url": "https://arxiv.org/abs/quant-ph/0301158"
},
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