Design Considerations for Single-Mode Vertical-Cavity Surface-Emitting Lasers With Impurity-Induced Intermixing

Ledentsov, N. N.; Shchukin, V. A.; Kropp, J.‐R.

doi:10.1109/jqe.2016.2585341

Cited by 4 publications

(2 citation statements)

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“…[35], the leakage in VCSELs subject to selective Zn diffusion has been modeled. The structure modeled is the conventional VCSEL device with a 3λ/2 cavity described in Ref.…”

Section: Vcsel With Intermixing-induced Confinement Of Optical Modesmentioning

confidence: 99%

Application of nanophotonics to the next generation of surface-emitting lasers

et al. 2017

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Novel trends and concepts in the design and fabrication of vertical cavity surface-emitting lasers (VCSELs) and their integration in optical networks and implementation in integrated photonics applications are discussed. To serve these goals and match the growing bandwidth demands, significant changes are to be implemented in the device design. New lateral leakage-mediated singlemode VCSELs, including both devices confined by oxide layers and those confined by alloy-intermixed regions, are likely to be good candidates for light sources for the data networks of the future. An overview of the records in VCSEL transmission distances and transmission speeds is discussed in this context.

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“…[35], the leakage in VCSELs subject to selective Zn diffusion has been modeled. The structure modeled is the conventional VCSEL device with a 3λ/2 cavity described in Ref.…”

Section: Vcsel With Intermixing-induced Confinement Of Optical Modesmentioning

confidence: 99%

Application of nanophotonics to the next generation of surface-emitting lasers

et al. 2017

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“…Vertical-cavity surface-emitting lasers (VCSELs) are widely used in high-bandwidth optical interconnects [1,2] and 3D sensing applications [3,4]. Optical interconnects are part of the Internet structure for quite some time, meeting the demands of the growing bandwidth requirements.…”

Section: Introductionmentioning

confidence: 99%

Power Efficient Current Driver Based on Negative Boosting for High-Speed Lasers

2019

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Vertical-cavity surface-emitting lasers (VCSELs) are commonly used in high-speed optical communication and 3D sensing applications. Both of these applications require high switching frequency and a short rise time of the VCSEL current. The parasitic inductance of the wire (connecting the driver with VCSEL) makes it challenging to achieve a short rise time, which often incur increased supply voltage and excessive power consumption. This paper utilizes a momentary boosting in supply voltage to overcome the parasitic inductance of the wire with minimal power overhead. The proposed technique uses a precalculated boosting capacitance to produce negative voltage for common-anode VCSELs. The boosting capacitance provides the required amount of charge during the rising transition and automatically disconnects itself in steady-state. Circuit simulations reveal up to three times shorter rise time at the negligible cost of less than 10% power overhead.

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