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Active planar optic...
Active planar optical waveguide made from luminescent silicon nanocrystals
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Valenta, J. (författare)
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Pelant, I. (författare)
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Luterova, K. (författare)
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Tomasiunas, R. (författare)
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Cheylan, S. (författare)
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Elliman, R. G. (författare)
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- Linnros, Jan (författare)
- KTH,Mikroelektronik och informationsteknik, IMIT
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Honerlage, B. (författare)
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(creator_code:org_t)
- AIP Publishing, 2003
- 2003
- Engelska.
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Ingår i: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 82:6, s. 955-957
- Relaterad länk:
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https://openresearch...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We show experimentally that a layer of silicon nanocrystals, prepared by the Si-ion implantation (with the energy of 400 keV) into a synthetic silica slab and exhibiting room-temperature red photoluminescence, can serve simultaneously as a single-mode planar optical waveguide. The waveguide is shown to self-select guided transverse electric and transverse magnetic modes from the broad photoluminescence emission of the nanocrystals resulting in a substantially narrower emission spectrum for these modes. We further report on an investigation of optical gain in a sample implanted to a dose of 4x10(17) cm(-2). Despite the occurrence of strong waveguiding, results of the variable stripe length method turned out not to be able to give unambiguous evidence for optical gain.
Nyckelord
- si nanocrystals
- photoluminescence
- emission
- gain
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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