Tunnel injection In0.4Ga0.6As/GaAsIn0.4Ga0.6As/GaAs quantum dot lasers with 15 GHz modulation bandwidth at room temperature
dc.contributor.author | Bhattacharya, Pallab K. | en_US |
dc.contributor.author | Ghosh, S. | en_US |
dc.date.accessioned | 2010-05-06T23:33:26Z | |
dc.date.available | 2010-05-06T23:33:26Z | |
dc.date.issued | 2002-05-13 | en_US |
dc.identifier.citation | Bhattacharya, P.; Ghosh, S. (2002). "Tunnel injection In0.4Ga0.6As/GaAsIn0.4Ga0.6As/GaAs quantum dot lasers with 15 GHz modulation bandwidth at room temperature." Applied Physics Letters 80(19): 3482-3484. <http://hdl.handle.net/2027.42/71321> | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/71321 | |
dc.description.abstract | By utilizing tunnel injection of electrons, first demonstrated in quantum well lasers, we have measured enhanced small-signal modulation bandwidth, f−3dB,f−3dB, and reduced temperature sensitivity of the threshold current, characterized by T0,T0, in In0.4Ga0.6As/GaAsIn0.4Ga0.6As/GaAs self-organized quantum dot ridge waveguide lasers. Values of f−3dB = 15 GHzf−3dB=15GHz at 283 K and T0 = 237 KT0=237K for 318 ≥ T ≥ 278318⩾T⩾278 are measured in these devices. The differential gain at 283 K is dg/dn ≅ 8.5×10−14 cm2dg/dn≅8.5×10−14cm2 and the gain compression factor ϵ = 4.5×10−17 cm3.ϵ=4.5×10−17cm3. © 2002 American Institute of Physics. | en_US |
dc.format.extent | 3102 bytes | |
dc.format.extent | 175574 bytes | |
dc.format.mimetype | text/plain | |
dc.format.mimetype | application/pdf | |
dc.publisher | The American Institute of Physics | en_US |
dc.rights | © The American Institute of Physics | en_US |
dc.title | Tunnel injection In0.4Ga0.6As/GaAsIn0.4Ga0.6As/GaAs quantum dot lasers with 15 GHz modulation bandwidth at room temperature | en_US |
dc.type | Article | en_US |
dc.subject.hlbsecondlevel | Physics | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Solid State Electronics Laboratory Department of Electrical Engineering and Computer Science University of Michigan, Ann Arbor, Michigan 48109-2122 | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/71321/2/APPLAB-80-19-3482-1.pdf | |
dc.identifier.doi | 10.1063/1.1478129 | en_US |
dc.identifier.source | Applied Physics Letters | en_US |
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dc.owningcollname | Physics, Department of |
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