19-element 2D honeycomb VCSEL array

Nasibeh Haghighi; Philip Moser; Martin Zorn; James A. Lott

doi:10.1117/12.2576846

5 March 2021 19-element 2D honeycomb VCSEL array

Nasibeh Haghighi, Philip Moser, Martin Zorn, James A. Lott

Proceedings Volume 11704, Vertical-Cavity Surface-Emitting Lasers XXV; 117040Q (2021) https://doi.org/10.1117/12.2576846
Event: SPIE OPTO, 2021, Online Only

Abstract

An electrically parallel, optically uncoupled, 19-element 980 nm top-surface-emitting vertical-cavity surface-emitting laser (VCSEL) array with inter-VCSEL metal and top mesa ridge connectors, processed using a two-dimensional honeycomb lattice basis with oxide aperture diameters of ϕ ~10.5 m per VCSEL exhibits a record combination of continuous wave optical output power (150 mW), -3 dB small-signal modulation bandwidth (17 GHz), and wall plug efficiency (30%) at a conservative operating bias current density of 10 kA/cm². To demonstrate the potential of the VCSEL array as an optical source for future fifth generation free-space optical communication systems we perform a data transmission test at 25 Gb/s across OM1 multiple-mode optical fiber using simple 2-level pulse amplitude modulation and pseudorandom binary patterns of word length 2⁷-1. We achieve a bit rate of 25 Gb/s with a bit error ratio below 1 x 10^-12.

Conference Presentation

Citation Download Citation

Nasibeh Haghighi, Philip Moser, Martin Zorn, and James A. Lott "19-element 2D honeycomb VCSEL array", Proc. SPIE 11704, Vertical-Cavity Surface-Emitting Lasers XXV, 117040Q (5 March 2021); https://doi.org/10.1117/12.2576846

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