.png){kind=icon}
.png){kind=icon}
Return
A Scalable VCSEL-Array Optical Wireless Transmitter With Experimental Multi-Beam Prototype
.png){kind=icon}
PRE
AI
DOI：10.1109/JLT.2025.3617131.png)
.png){kind=icon}
Original request for help.png){kind=icon}
Share.png){kind=icon}
Save
Abstract
En 中文
A 5 × 5 VCSEL array-based optical wireless communication multi-beam transmitter is designed and simulated. Each element of the array addresses a separate spatial attocell. A microlens-array based homogenizer achieves uniform coverage at the receiver plane from each multi-mode VCSEL output. 1 m2 total coverage is achieved with each attocell covering an area of 400 cm2 at a range of 3 m. For a proof-of-concept demonstration a 1 × 3 channel VCSEL array-based transmitter prototype is experimentally tested. The performance is verified by demonstrating three channels achieving ∼0.12 mW/m2 uniform power with negligible optical interference to adjacent attocells (<−14 dB). With a simple receiver design using low cost, off-the-shelf components, each channel of the transmitter achieves ∼10 Gb/s throughput using OFDM within 7 cm lateral range and >4 Gb/s within 12 cm lateral range at 3 m. The transmitter meets eye-safety restrictions and could be scaled to 250 Gb/s aggregate data rate by employing all 25 VCSELs with independent OFDM modulation.
Keywords:
Free-space optical communication
optical communication equipment
optical transmitters
vertical-cavity surface-emitting lasers
wireless communication
Journal
IF:
4.8
Papers:
1.7W
Citations:
3.8W