Thermal properties and wavelength analysis of telecom oriented photonic-crystal VCSELs

• Autorzy: Czyszanowski T.
• Języki publikacji: EN

Abstrakty

EN

Results of the self-consistent comprehensive analysis of a room-temperature operation of InP-based 1300-nm AlInGaAs photonic-crystal (PhC) VCSELs are presented. In particular, an influence of PhC parameters on thermal effects within VCSEL volume and its emission wavelength are analysed. The PhC has been found to introduce a number of opposite effects including a possible light leakage through PhC holes. From one side, PhC holes make more difficult heat-flux extraction from VCSEL volume leading to higher temperature increases within it. But, from the other side, a properly manufactured PhC creates an efficient radial confinement mechanism for VCSEL radiation field. It enhances an interaction between the field and the active-region carriers leading to a decrease in both the VCSEL lasing threshold and temperature increases. Seemingly both effects may similarly affect VCSEL operation, but our analysis revealed, that thermal properties of the PhC VCSEL are mainly dependent on an efficient confinement of its radiation field within the active region impeding a mode leakage through PhC holes, whereas an importance of deterioration of heat-flux extraction from VCSEL volume is much less essential. The wavelength shift induced by a change of PhC parameters has been found not to exceed 4×10⁻³ μm.

Słowa kluczowe

EN

photonic-crystal; vertical-cavity surface-emitting laser; VCSEL; AlInGaAs light emitter; numerical simulation

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2010
• Tom: Vol. 18, No. 1
• Strony: 56--62
• Opis fizyczny: Bibliogr. 26 poz., il., wykr.

Twórcy

autor

Czyszanowski T.

• Institute of Physics, Technical University of Łódź, 219 Wólczańska Str., 90-924 Łódź, Poland,

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