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 µm by employing multimode output waveguides. The device has 2 nm channel spacing and a flat response (within 1 dB) of 1 nm.
Inspec keywords: optical communication equipment; gallium arsenide; optical waveguides; indium compounds; optical couplers; demultiplexing equipment; integrated optics; gallium compounds; wavelength division multiplexing; III-V semiconductors
Other keywords:
Subjects: Integrated optics; Optical waveguides and couplers; Optical waveguides; Optical communication devices, equipment and systems; Switching centres and equipment; Optical communication; Integrated optics
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