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Tunable 1060nm VCSEL co-packaged with pump and SOA for OCT and LiDAR
Author(s): Bart Johnson; Walid Atia; Seungbum Woo; Carlos Melendez; Mark Kuznetsov; Tim Ford; Nate Kemp; Joey Jabbour; Ed Mallon; Peter Whitney
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Paper Abstract

A 1060 nm optically pumped tunable VCSEL was formed from an InGaAs/AlGaAs/GaAs half-VCSEL bonded to a MEMS movable mirror on a silicon substrate. The VCSEL was co-packaged in a 14-pin butterfly module with an 825 nm pump laser and a 1060 nm semiconductor optical amplifier. The co-packaged device exhibited shot-noise-limited sensitivity with up to 50 mW output power and 75 nm tunability. Ophthalmic OCT, especially whole-eye imaging and ocular biometry, is considered the primary application of this device. However, we have also investigated LiDAR to greater than 10 meter ranges with non-mechanical beam steering through angular diffraction from a grating. A new generation of photonic integrated circuit LiDARs work this way and we have investigated the depth resolution limitations due to time dispersion from the grating. Distributed fiber temperature sensing was also demonstrated.

Paper Details

Date Published: 22 February 2019
PDF: 10 pages
Proc. SPIE 10867, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIII, 1086706 (22 February 2019); doi: 10.1117/12.2510395
Show Author Affiliations
Bart Johnson, AXSUN Technologies Inc. (United States)
Walid Atia, AXSUN Technologies Inc. (United States)
Seungbum Woo, AXSUN Technologies Inc. (United States)
Carlos Melendez, AXSUN Technologies Inc. (United States)
Mark Kuznetsov, AXSUN Technologies Inc. (United States)
Tim Ford, AXSUN Technologies Inc. (United States)
Nate Kemp, AXSUN Technologies Inc. (United States)
Joey Jabbour, AXSUN Technologies Inc. (United States)
Ed Mallon, AXSUN Technologies Inc. (United States)
Peter Whitney, AXSUN Technologies Inc. (United States)


Published in SPIE Proceedings Vol. 10867:
Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIII
James G. Fujimoto; Joseph A. Izatt, Editor(s)

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