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Misalignment-tolerant surface-normal low-voltage modulator for optical interconnects

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5 Author(s)
Helman, N.C. ; Dept. of Appl. Phys., Stanford Univ., CA, USA ; Roth, J.E. ; Bour, D.P. ; Altug, H.
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We present a surface-normal modulator architecture for optical interconnects that offers misalignment tolerance as well as high contrast ratio over a wide wavelength range for a small drive voltage. A contrast ratio greater than 3 dB was achieved for only 0.8-V drive across a 16-nm wavelength range from 1498 to 1514 nm. The misalignment tolerance between this device, and the input optical beam was measured to be 30 μm.

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Selected Topics in Quantum Electronics, IEEE Journal of  (Volume:11 ,  Issue: 2 )