Rapidly swept, ultra-widely-tunable 1060 nm MEMS-VCSELs

Rapidly swept, ultra-widely-tunable 1060 nm MEMS-VCSELs

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Demonstrated are 1060 nm microelectromechanical-systems-based tunable vertical-cavity surface-emitting lasers (MEMS-VCSELs) with a 100 nm continuous tuning range under repetitively scanned operation at rates beyond 500 kHz and a 90 nm continuous tuning range under static operation. These devices employ a thin strained InGaAs multiple quantum well active region integrated with a fully oxidised GaAs/AlxOy bottom mirror and a suspended dielectric top mirror. The devices are optically pumped via 850 nm light. These ultra-widely tunable lasers represent the first MEMS-VCSELs reported in this wavelength range, and are ideally suited for application in ophthalmic swept-source optical coherence tomography.


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      • V. Jayaraman , J. Jiang , B. Potsaid , G. Cole , J. Fujimoto , A. Cable . Design and performance of broadly tunable, narrow line-width, high repetition rate 1310 nm VCSELs for swept source optical coherence tomography. Proc. SPIE – The International Society for Optical Engineering
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