1 550 nm VCSELs for long-reach optical interconnects

Li-Jie LIU; Yuan-Da WU; Yue WANG; Liang-Liang WANG; Jun-Ming An; You-Wen ZHAO

doi:10.11972/j.issn.1001-9014.2020.04.001

Journals >Journal of Infrared and Millimeter Waves >Volume 39 >Issue 4 >Page 397 > Article

Journal of Infrared and Millimeter Waves
Vol. 39, Issue 4, 397 (2020)

1 550 nm VCSELs for long-reach optical interconnects

Li-Jie LIU¹, Yuan-Da WU^2、*, Yue WANG¹, Liang-Liang WANG¹, Jun-Ming An², and You-Wen ZHAO³

Author Affiliations

¹State Key Laboratory of Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing00083,China

²State Key Laboratory of Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing00083,China

³College of Material Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing100049,China

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DOI: 10.11972/j.issn.1001-9014.2020.04.001 Cite this Article

Li-Jie LIU, Yuan-Da WU, Yue WANG, Liang-Liang WANG, Jun-Ming An, You-Wen ZHAO. 1 550 nm VCSELs for long-reach optical interconnects[J]. Journal of Infrared and Millimeter Waves, 2020, 39(4): 397 Copy Citation Text

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Abstract

Long-wavelength VCSELs on an InP substrate was designed and fabricated with an active layer of 1550 nm. The top Distributed Bragg Reflection （DBR） mirror system has been constructed by fabricating 4.5 pairs of SiO₂/Si top DBRs. The threshold current was 20 mA and maximum output power around 7 μW under continuous wave （CW） operation at room temperature. More importantly, the lasing spectrum is 1554 nm and the full width at half maximum is 3 nm.

Keywords

1550 nm InP-based vertical cavity surface emitting laser （VCSEL）

I_{t h} = A_{a} j_{t h} = \frac{q V_{a}}{η_{I} τ_{s p}} n_{t h} \approx \frac{q V_{a} B}{η_{I}} n_{t}^{2} e x p \{2 g_{t h} / g_{1}\}

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P_{o u t} = η_{e} \frac{ℏ ω}{q} (I - I_{t h})

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V (I) = V_{0} + I R_{s}

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η_{c} (I) = \frac{P_{o u t}}{I V} = \frac{η_{e} (ℏ ν / q) (I - I_{t h})}{I (V_{0} + I R_{s})}

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η_{m a x} = η_{e} \frac{ℏ ν}{q V_{0}} \frac{ξ}{{(1 + \sqrt[]{1 + ξ})}^{2}} = η_{e} \frac{ℏ ν}{q V_{0}} f_{c} (ξ)

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P_{m a x} (I_{0}) = η_{e} (ℏ ν / q) I_{t h} \sqrt[]{1 + ξ}

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η_{e} = \frac{τ_{p}}{τ_{p, m}} \approx \frac{α_{m}}{α_{i} + α_{m}} = \frac{1}{1 - α_{i} L_{e f f} / l n \sqrt[]{R_{t} R_{b}}}

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Li-Jie LIU, Yuan-Da WU, Yue WANG, Liang-Liang WANG, Jun-Ming An, You-Wen ZHAO. 1 550 nm VCSELs for long-reach optical interconnects[J]. Journal of Infrared and Millimeter Waves, 2020, 39(4): 397

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