This technology embeds a two-dimensional photonic crystal into the top face of a VCSEL, allowing accurate design and control of the model characteristics of the laser for use in high-performance optical communication equipment.
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Wearability opens up a whole new world of opportunities in haptic systems for novel communication forms and interactions with the external environment. Wearable fingertip haptic systems are particularly interesting as they offer a natural interface to one of the most fundamental senses, touch. There.....
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We provide a cost-effective method for doublingthe working spectrum range of a conventional single-photon Shack Hartmann WavefrontSensor (1P-SHWS) through conversion into a two-photon Shack Hartmann Wavefront Sensor(2P-SHWS).
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