Rising adoption in proximity sensing and medical applications to drive growth of vertical cavity surface emitting laser (VCSEL) market

The introduction of new features, such as a variety of package form factors, a wider range of wavelength availability, and the demonstration of arrays of VCSELs on a single chip, in VCSELs has created an important impact on medical diagnostic applications. Some VCSEL-based applications in the healthcare sector are neurostimulation and optical coherence tomography (OCT). Neurostimulator is a small device that carries electrical signals near the spine of a human body with distinct medical wires (leads). Generally, a wavelength of 1,850nm is required in neurostimulation as it can stimulate the nerves. The ability of VCSELs to offer required wavelength, as well as their small size, makes them suitable for neurostimulation application.

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Consumer electronics end user to grow at the highest rate during the forecast period"

The VCSEL market for consumer electronics is expected to grow at the highest CAGR during the forecast period. With the increasing implementation of VCSELs for advanced features such as laser autofocus and proximity sensors in smartphones, the consumer electronics segment has created a huge shift in the overall VCSEL market. Also, other applications such as video signal to display, video signal from one or more cameras, low-noise microphone, and gesture recognition are expected to create huge demand for VCSELs in consumer electronics.

"VCSEL market in APAC to grow at highest rate during forecast period"

The VCSEL market in APAC is estimated to grow at the highest CAGR between 2018 and 2023. This growth can be attributed to the rising number of data centers and increasing demand for consumer electronic devices and premium automobiles. APAC countries such as China, India, Singapore, and Indonesia are emerging as hubs for data centers owing to advancements in basic telecom infrastructure and encouragement from respective governments.

Driver: Rising adoption in proximity sensing and medical applications

The introduction of new features, such as a variety of package form factors, a wider range of wavelength availability, and the demonstration of arrays of VCSELs on a single chip, in VCSELs has created an important impact on medical diagnostic applications. Some VCSEL-based applications in the healthcare sector are neurostimulation and optical coherence tomography (OCT). New applications are emerging in biomedicine and are using VCSELs that offer high speed, flexibility, and extended imaging range. VCSELs provide a precise measurement of rapid blood flow in the optical nerve head, which helps detect diseases related to eyes at an early stage.
Restraint: Limited data transmission range

VCSEL has been an effective technology for short-range applications, such as local area network (LAN), optical data communication, Ethernet, and intrasystem links. The ever-growing data has raised the need for large-data-capacity and cost-effective architecture of fiber optics network. Laser suppliers always try to improve on the distance range served by their products. As attenuation is higher in multimode optical fiber, the optical signal degrades faster with distance, thereby shortening the achievable distance, but it has more to do with the fiber than the laser. Transmitting this data over a certain distance can prove problematic due to the weakening of the signal.

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