An attempt to design room-temperature-operated nitride diode VCSELs

• Autorzy: Maćkowiak P. , Sarzała R. , Wasiak M. , Nakwaski W.
• Konferencja: International Conference on Solid State Crystals : Material Science and Applications (4ICSSC) and Polish Conference on Crystal Growth (7PCCG) ; (16-20.05.2004 ; Zakopane-Kościelisko, Poland)
• Języki publikacji: EN

Abstrakty

EN

The new modified structure of nitride diode vertical-cavity surface-emitting lasers (VCSELs) of anticipated high-performance low-threshold room-temperature operation is presented. Two essential structure modifications are proposed in this new design. First, tunnel junctions and a semi-transparent contact are used to enhance uniformity of the current injection into a VCSEL active region. Second, a new built-in radial waveguiding mechanism is introduced within the output distributed Bragg reflector. According to simulation results, the radius of the active region may be dramatically reduced in this new VCSEL design, even to just 1 žm, without a significant increase in the cavity optical losses. Hence, using this new proposed design, manufacturing low-threshold, electrically-driven, room-temperature-operated nitride VCSELs may become possible even at the current, still immature, development stage of nitride technology.

Słowa kluczowe

EN

nitride diode lasers; nitride vertical-cavity surface-emitting lasers; modelling of a room-temperature operation

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2004
• Tom: Vol. 12, No. 4
• Strony: 411--416
• Opis fizyczny: Bibliogr. 16 poz.

Twórcy

autor

Maćkowiak P.

• Laboratory of Computer Physics, Institute of Physics, Technical University of Łódź 219 Wólczańska Str., 93-005 Łódź, Poland

autor

Sarzała R.

• Laboratory of Computer Physics, Institute of Physics, Technical University of Łódź 219 Wólczańska Str., 93-005 Łódź, Poland

autor

Wasiak M.

• Laboratory of Computer Physics, Institute of Physics, Technical University of Łódź 219 Wólczańska Str., 93-005 Łódź, Poland

autor

Nakwaski W.

• Laboratory of Computer Physics, Institute of Physics, Technical University of Łódź 219 Wólczańska Str., 93-005 Łódź, Poland
• Center for High Technology Materials, University of New Mexico, 1313 Goddard SE, Albuquerque, NM, USA

Bibliografia

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