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A four-channel phased-array wavelength demultiplexer with a flattened wavelength response has been realised for the first time in InP/InGaAsP at 1.54 mu m by employing multimode output waveguides. The device has 2 nm channel spacing and a flat response (within 1 dB) of 17 nm Original language English Pages (from-to) 300-302 Journal Electronics Letters Volume 30 Issue number 4 Publication status Published - 1994
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Amersfoort et al. (1994) studied this question.
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