2D tunable all-solid-state random laser in the visible
A two-dimensional (2D) solid-state random laser emitting in the visible is demonstrated, in which optical feedback is provided by a controlled disordered arrangement of air-holes in a dye-doped polymer film. We find an optimal scatterer density for which threshold is minimum and scattering is the st...
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| creator | Kumar, Bhupesh Homri, Ran Sebbah, Patrick |
| description | A two-dimensional (2D) solid-state random laser emitting in the visible is
demonstrated, in which optical feedback is provided by a controlled disordered
arrangement of air-holes in a dye-doped polymer film. We find an optimal
scatterer density for which threshold is minimum and scattering is the
strongest. We show that the laser emission can be red-shifted by either
decreasing scatterer density or increasing pump area. We show that spatial
coherence is easily controlled by varying pump area. Such a 2D random laser
provides with a compact on-chip tunable laser source and a unique platform to
explore non-Hermitian photonics in the visible |
| doi_str_mv | 10.48550/arxiv.2208.10538 |
| format | Article |
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demonstrated, in which optical feedback is provided by a controlled disordered
arrangement of air-holes in a dye-doped polymer film. We find an optimal
scatterer density for which threshold is minimum and scattering is the
strongest. We show that the laser emission can be red-shifted by either
decreasing scatterer density or increasing pump area. We show that spatial
coherence is easily controlled by varying pump area. Such a 2D random laser
provides with a compact on-chip tunable laser source and a unique platform to
explore non-Hermitian photonics in the visible</description><identifier>DOI: 10.48550/arxiv.2208.10538</identifier><language>eng</language><subject>Physics - Optics</subject><creationdate>2022-08</creationdate><rights>http://creativecommons.org/licenses/by/4.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,780,885</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/2208.10538$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.2208.10538$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Kumar, Bhupesh</creatorcontrib><creatorcontrib>Homri, Ran</creatorcontrib><creatorcontrib>Sebbah, Patrick</creatorcontrib><title>2D tunable all-solid-state random laser in the visible</title><description>A two-dimensional (2D) solid-state random laser emitting in the visible is
demonstrated, in which optical feedback is provided by a controlled disordered
arrangement of air-holes in a dye-doped polymer film. We find an optimal
scatterer density for which threshold is minimum and scattering is the
strongest. We show that the laser emission can be red-shifted by either
decreasing scatterer density or increasing pump area. We show that spatial
coherence is easily controlled by varying pump area. Such a 2D random laser
provides with a compact on-chip tunable laser source and a unique platform to
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demonstrated, in which optical feedback is provided by a controlled disordered
arrangement of air-holes in a dye-doped polymer film. We find an optimal
scatterer density for which threshold is minimum and scattering is the
strongest. We show that the laser emission can be red-shifted by either
decreasing scatterer density or increasing pump area. We show that spatial
coherence is easily controlled by varying pump area. Such a 2D random laser
provides with a compact on-chip tunable laser source and a unique platform to
explore non-Hermitian photonics in the visible</abstract><doi>10.48550/arxiv.2208.10538</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - Optics |
| title | 2D tunable all-solid-state random laser in the visible |
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