Monolithic asymmetric Mach-Zehnder interferometers have been fabricated in InGaAs/AlGaInAs using quantum well intermixing. The devices combine low-loss waveguides, MMI couplers and phase shifters. Extinction ratio of more than 22 dB is achieved. Efficient wavelength tunability is demonstrated over a full wavelength period with injection current as low as 15 mA.
Tunable InGaAs/AlGaInAs (de)multiplexer based on integrated asymmetric Mach-Zehnder interferometer using quantum well intermixing
2004-01-01
94772 byte
Conference paper
Electronic Resource
English
British Library Conference Proceedings | 2004
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