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The development of advanced InP-based transmitter PICs of increasing complexity and integrating periodically capacitive-loaded (CL) Travelling Wave Electrode (TWE) Mach-Zehnder modulators is reported and discussed in examples.
We demonstrate a monolithically integrated quadrature coherent receiver photonic integrated circuit (PIC) on an InP substrate with a 90° optical hybrid, a variable optical attenuator (VOA) and four pin-photodetectors. With an attenuation of more than 20dB the VOA enables the usage of the receiver PIC for colourless WDM detection.
Coherent Receiver PICs are realized both in InP-based monolithic integration and in hybrid integration using polymer waveguides. These platforms are compared and evaluated.
This paper describes an InP foundry for receiver-type photonic-integrated circuits. A low-contrast-, a medium-contrast-, and a high-contrast waveguide is offered to interconnect the various devices. A multi-project wafer has been fabricated containing 7 different designs.
A monolithically integrated InP 90° hybrid integrated with waveguide photodiodes is presented. Performance parameters like CMRR between 1530 nm and 1565 nm, and the centre wavelength are investigated depending on MMI design and manufacturing accuracies.
The FUNFOX European IST-project exploits photonic crystals and nanophotonic concepts to elaborate functional applications of InP-based devices for metropolitan-area-network applications, among which a polarization rotator, a linear amplifier, and a wavelength monitoring device.
We present a tunable photonic crystal laser with an integrated wavelength monitor. The laser consists of two coupled photonic crystal waveguides, the wavelength monitor is based on mode interference in a multimode photonic crystal waveguide.
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