Abstract
We demonstrate a 1.55-μm polarization-independent wavelength filter with a 3-dB bandwidth of only 6 Å and an electro-optic tuning range of more than 100 Å. The filter is fabricated on x-cut LiNbO3 and features a novel electro-optic TE ï TM mode converter with electrically adjustable TE–TM output phase.
© 1990 Optical Society of America
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