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We demonstrate the operation of an ultra-compact coherent receiver for linear optical phase demodulation. The receiver, based on a broadband optical phase-locked loop (OPLL) has a bandwidth of 1.5 GHz. Physical delay in the feedback path is dramatically reduced by incorporating novel photonic and electronic components. Using the receiver in an analog link experiment, a spurious free dynamic range...
We demonstrate a novel photonic integrated circuit(PIC) that combines an ultra compact trench beam splitter with monolithically integrated photodetectors and modulators. A coherent receiver is realized by flip chip bonding of this PIC with an electronic integrated circuit (EIC). Preliminary system results yield a third-order intermodulation distortion suppression of 46 dB at a signal frequency of...
We present the first optical equalizer realized on Indium Phosphide material that is also monolithically integrated with a semiconductor optical amplifier. We show that the device can mitigate inter-symbol interference arising from narrowband optical filtering of 40-Gb/s non-return-to-zero data. Significant improvement in the measured bit-error rates after optical equalization of the filtered signal...
We demonstrate error-free, asynchronous packet transmission and fast simultaneous switching on four 40 Gb/s ports in a 32-port optical switch fabric. The sensitivity under switching is better than -3 dBm for all four burst-mode receivers
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