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Voltage-controlled distributed Bragg reflectors for modulation and integrated power monitoring of vertical-cavity surface-emitting lasers

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5 Author(s)
Khan, A. ; Dept. of Electron. & Electr. Eng., Univ. Coll. London ; Woodbridge, K. ; Marinopoulou, A. ; Roberts, C.
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The authors demonstrate a voltage-controlled distributed Bragg reflector with a very high off-state reflectivity and low-voltage operation suitable for use within a vertical-cavity surface-emitting laser. The unbiased peak reflectivity approaches 99.8% at 980 nm, which may be modulated through the quantum-confined Stark effect by 1%. The mirror allows measurement of photocurrent to monitor VCSEL output power

Published in:

Electronics Letters  (Volume:30 ,  Issue: 25 )

Date of Publication:

8 Dec 1994

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