High-sweep-rate 1310 nm MEMS-VCSEL with 150 nm continuous tuning range

2012/07/05 by Vijaysekhar Jayaraman, V. Jayaraman, G.D. Cole +4 · 22 citations
Engineering · #Semiconductor Lasers and Optical Devices #Photonic and Optical Devices #Optical Coherence Tomography Applications

paper · doi:10.1049/el.2012.1552

Abstract

Microelectromechanical-systems-based vertical-cavity surface-emitting lasers (MEMS-VCSELs) capable of a 150 nm continuous tuning range near 1310 nm are demonstrated. These devices employ a thin optically pumped active region structure with large free-spectral range, which promotes wide and continuous tuning. To achieve VCSEL emission at 1310 nm, a wide-gain-bandwidth indium phosphide-based multiple quantum well active region is combined with a wide-bandwidth fully oxidised GaAs-based mirror through wafer bonding, with tuning enabled by a suspended dielectric top mirror. These devices are capable of being scanned over the entire tuning range at frequencies up to 500 kHz, making them ideal for applications such as swept source optical coherence tomography and high-speed transient spectroscopy.

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• Rapidly swept, ultra-widely-tunable 1060 nm MEMS-VCSELs. [europepmc]
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• Silicon photonic integrated circuit swept-source optical coherence tomography receiver with dual polarization, dual balanced, in-phase and quadrature detection. [europepmc]
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• High-speed OCT light sources and systems [Invited]. [europepmc]
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• Long ranging swept-source optical coherence tomography-based angiography outperforms its spectral-domain counterpart in imaging human skin microcirculations. [europepmc]
• Utility of Optical Coherence Tomography for Guiding Laser Therapy Among Patients With Recurrent Respiratory Papillomatosis. [europepmc]
• Advances in Whole-Eye Optical Coherence Tomography Imaging. [europepmc]
• 9.4 MHz A-line rate optical coherence tomography at 1300 nm using a wavelength-swept laser based on stretched-pulse active mode-locking. [europepmc]
• Multi-MHz MEMS-VCSEL swept-source optical coherence tomography for endoscopic structural and angiographic imaging with miniaturized brushless motor probes. [europepmc]
• Robust and easy-to-operate stretched-pulse mode-locked wavelength-swept laser with an all-polarization-maintaining fiber cavity for 10 MHz A-line rate optical coherence tomography. [europepmc]
• Fourier Domain Mode Locked Laser and Its Applications. [europepmc]
• Insights into the developing fovea revealed by imaging. [europepmc]
• The Development and Clinical Application of Innovative Optical Ophthalmic Imaging Techniques. [europepmc]
• Reconstruction of Optical Coherence Tomography Images from Wavelength Space Using Deep Learning. [europepmc]

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