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Large range microwave frequency measurement using a fiber delay interferometer pair
fiber delay interferometer pair microwave frequency measurement
2015/5/15
We demonstrate a photonic approach to IFM using two parallel home-made fiber delay interferometers, packaged into a 10cm×8cm board. A maximum measurement frequency of 36.7GHz and measurement error les...
Phase-Incoherent DPSK Regeneration Using a Fiber-Sagnac Interferometer
Phase modulation Nonlinear optical signal processing
2015/6/8
We experimentally demonstrate for the first time phase-incoherent regeneration of DPSK signals based on fiber-Sagnac interferometer. Power penalty improvement of phase-, amplitude- and ASE-noise loade...
Polarization-Independent and Low-Current Operation of InAlGaAs/InAlAs Mach-Zehnder Interferometer-Type Photonic Switch with Hybrid- Waveguide Structure for Optical Packet Switching
Polarization-Independent Low-Current Operation Hybrid-Waveguide Structure Optical Packet Switching
2015/7/15
We demonstrated a polarization-independent Mach-Zehnder interferometer-type photonic switch with very-low-current of about 5mA. Furthermore, a few nano-second switching response time was also confirme...
Compact DQPSK Demodulator with Interwoven Double Mach-Zehnder Interferometer using Planar Lightwave Circuit
Compact DQPSK Demodulator Interwoven Double Mach-Zehnder Interferometer Planar Lightwave Circuit
2015/7/30
We propose a new PLC design for a 43 Gb/s DQPSK demodulator. The design reduces both the module size and the power consumption without degrading any of the module characteristics.