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Publication # 298

Noah C. Helman, Jonathan E. Roth, David P. Bour, Hatice Altug, and David A. B. Miller,"Misalignment-Tolerant Surface-Normal Low-Voltage Modulator for Optical Interconnects," IEEE J. Selected Topics in Quantum Electronics, 11, No. 2, 338 342 (March/April 2005)

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 nm to 1514 nm.  The misalignment tolerance between this device and the input optical beam was measured to be 30 mm.
 

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