A simple and precise method for the threshold current determination in vertical-cavity surface-emitting lasers

• Autorzy: Pruszyńska-Karbownik Emilia , Gębski Marcin , Marciniak Magdalena , Lott James A. , Czyszanowski Tomasz

Identyfikatory

DOI

10.37190/oa200211

• Języki publikacji: EN

Abstrakty

EN

In this paper, we present experimental results of spontaneous emission clamping in the threshold for vertical-cavity surface-emitting lasers (VCSELs) with oxide current confinement. We show that the spontaneous emission not wholly clamps in the threshold. We propose a new method for determining the threshold current value using the study of the clamping phenomena. This method has an advantage over the commonly used methods in the accuracy because the current of the spontaneous emission clamping is betted defined than the current of the slope change of the stimulated emission light-current curve. The estimated uncertainty of the method is no more than 20 μA.

Słowa kluczowe

EN

VCSEL; vertical-cavity surface-emitting laser; threshold current; spontaneous emission

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2020
• Tom: Vol. 50, nr 2
• Strony: 281--288
• Opis fizyczny: Bibliogr. 14 poz., rys., tab.

Twórcy

autor

Pruszyńska-Karbownik Emilia

• Institute of Physics, Lodz University of Technology, Wólczańska 219, 90-924 Łódź, Poland

autor

Gębski Marcin

• Institute of Physics, Lodz University of Technology, Wólczańska 219, 90-924 Łódź, Poland
• Institute of Solid State Physics and Center of Nanophotonics, Technische Universität Berlin, Hardenbergstraße 36, Berlin, Federal Republic of Germany

autor

Marciniak Magdalena

• Institute of Physics, Lodz University of Technology, Wólczańska 219, 90-924 Łódź, Poland
• Institute of Solid State Physics and Center of Nanophotonics, Technische Universität Berlin, Hardenbergstraße 36, Berlin, Federal Republic of Germany

autor

Lott James A.

• Institute of Solid State Physics and Center of Nanophotonics, Technische Universität Berlin, Hardenbergstraße 36, Berlin, Federal Republic of Germany

autor

Czyszanowski Tomasz

• Institute of Physics, Lodz University of Technology, Wólczańska 219, 90-924 Łódź, Poland

Bibliografia

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• [3] BJÖRK G., KARLSSON A., YAMAMOTO Y., Definition of a laser threshold, Physical Review A 50(2),1994, pp. 1675–1680, DOI:10.1103/PhysRevA.50.1675.
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• [7] MICHALZIK R. [Ed.], VCSELs: Fundamentals, Technology and Applications of Vertical-Cavity Surface-Emitting Lasers, Springer Series in Optical Sciences, Vol. 166, Springer, Berlin, Heidelberg, 2013, DOI:10.1007/978-3-642-24986-0.
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• [9] SHIN J.H., JU Y.G., SHIN H.E., LEE Y.H., Spontaneous emission factor of oxidized vertical-cavity surface-emitting lasers from the measured below-threshold cavity loss, Applied Physics Letters 70(18), 1997, pp. 2344–2346, DOI:10.1063/1.118869.
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• [11] MIYAMOTO T., SUDA Y., Simultaneous use of spontaneous emission light in VCSEL for improving efficiency of optical wireless power transmission, 2018 IEEE International Semiconductor Laser Conference (ISLC), 2018, pp. 1–2, DOI:10.1109/ISLC.2018.8516233.
• [12] WU J., LONG H., SHI X., YING L., ZHENG Z., ZHANG B., Reduction of lasing threshold of GaN-based vertical-cavity surface-emitting lasers by using short cavity lengths, IEEE Transactions on Electron Devices 65(6), 2018, pp. 2504–2508, DOI:10.1109/TED.2018.2825992.
• [13] LEE J.H., MOON J.H., SU P.C., LEE S.H., Numerical analysis of injected current effects on thermal characteristics of vertical-cavity surface-emitting laser, Journal of Mechanical Science and Technology 32(3), 2018, pp. 1463–1469, DOI:10.1007/s12206-018-0250-5.
• [14] MOSER P., LOTT J.A., LARISCH G., BIMBERG D., Impact of the oxide-aperture diameter on the energy efficiency, bandwidth, and temperature stability of 980-nm VCSELs, Journal of Lightwave Technology 33(4), 2015, pp. 825–831, DOI:10.1109/JLT.2014.2365237.

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).