Resonant MEMS tunable VCSEL

Thor Ansbæk, Il-Sug Chung, Elizaveta Semenova, Ole Hansen, Kresten Yvind

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Abstract

We demonstrate how resonant excitation of a microelectro-mechanical system can be used to increase the tuning range of a vertical-cavity surface-emitting laser two-fold by enabling both blue- and red-shifting of the wavelength. In this way a short-cavity design enabling wide tuning range can be realized. A high-index-contrast subwavelength grating verticalcavity surface-emitting laser with a monolithically integrated anti-reflection coating is presented. By incorporating an antireflection coating into the air cavity, higher tuning efficiency can be achieved at low threshold current. The first result shows 24-nm continuous resonant tuning range around an emission wavelength of 1060 nm with 0.9 mW output power.
Original languageEnglish
Article number1702306
JournalI E E E Journal on Selected Topics in Quantum Electronics
Volume19
Issue number4
Number of pages6
ISSN1077-260X
DOIs
Publication statusPublished - 2013

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