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Showing 1 to 20 of 45 for “"Mach-Zehnder interferometer"”.
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Novel Method for Mach-Zehnder Interferometer Phase Stabilization
The Mach-Zehnder Interferometer (MZI) is a device used across many areas of research including quantum computing, optical communication, sensing, and imaging. The proper function of an MZI depends upon the stabilization of the relative phase between its arms as thermal gradients and vibrations can …
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Control of a Nonlinear Mach-Zehnder Interferometer for Regeneration Using Digital Signal Processing
… noises. Optical regenerators based on nonlinear Mach Zehnder interferometers (NMZIs) are able to suppress them both. To use a NMZI as a regenerator, the frequency of the pump signal must be kept close to that of the data carrier and the phase difference between the data and pump signals needs to …
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Experimental and theoretical study of an integrated silicon Mach-Zehnder interferometer for chemical sensing applications
… of refraction. Fabrication of the Integrated Mach-Zehnder Interferometer sensor involves several important standard processes such as Chemical Vapor Deposition (CVD) for thin film fabrication, photolithography for mask transfer, and etching for ridge waveguide formation. The detailed …
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Test of Light Speed Constancy With Light Age Using an Active Fiber-Based Mach-Zehnder Interferometer
… to the light age using an active fiber-based Mach-Zehnder interferometer (MZI) illuminated by sunlight. The original sunlight in one arm, which has the age of 8.3 minutes since it was emitted from the sun, interferes with the young light generated by stimulated emission from an optical …
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Reference interferometry techniques for nanodetection and biosensing
… are presented. Experiments performed with a Mach-Zehnder interferometer in parallel with an ultrahigh-Q microresonator for nanodetection of a record polystyrene particle size down to 12.5 nm radius are described. The first interferometry technique employed in this work sees the implementation …
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MEMS Transducer for Hearing Aid Device
… An optical measurement system based on Mach-Zehnder interferometer is</p>
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Quadrature-point stabilization of Mach-Zehnder interferometers
… transducer in the reference arm of an all-fiber Mach-Zehnder interferometer.
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Quantum light for quantum technologies
… parity detection on the output modes of a Mach-Zehnder interferometer that has been fed with two-mode squeezed vacuum. This detection scheme relies on a double homodyning technique, that makes intensity correlation measurements at a series of chosen bias phases. Sub-Heisenberg sensitivity …
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Design and simulation for the fabrication of integrated semiconductor optical logic gates
… unit cell is based on an integrated balanced Mach-Zehnder interferometer (MZI) with semiconductor optical amplifiers (SOAs) in each arm and includes straight ridge waveguides, ridge waveguide bends, and multimode interference (MMI) devices. We use beam propagation method (BPM) to model, design …
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True linearized intensity modulation for photonic analog to digital conversion using an injection-locked mode-locked laser
… a mode-locked laser into one of the arms of a Mach-Zehnder interferometer and injection-locking it to the input light (which is pulsed and periodic). By modulating the injection-locked laser, and combining its output light with the light from the other arm of interferometer in quadrature, one …
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Zeitaufgelöste Untersuchungen zur Fragmentationsdynamik von H2 (D2) in ultra-kurzen Laserpulsen
… abzubilden. Hierzu wurde ein hochstabiles Mach-Zehnder Interferometer aufgebaut, das zwei identische Laserpulse erzeugt, die mit einer Genauigkeit von 300 as Über einen Bereich von 0-3300 fs zeitlich zueinander verzÖgert werden können. Die Fokussierung der Laserpulse in einen H2 (D2) …
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Microwave Signal Generation Using Self-Heterodyning of a Fast Wavelength Switching SG-DBR Laser
… are made time coincident using a fiber based Mach-Zehnder interferometer. From the interferometer, the difference frequency is detected and amplified. The optical difference frequency takes on the form of a microwave signal that can be seen on an electrical spectrum analyzer. The hardware …
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Methods for compact modeling of process variations in silicon photonics devices
… and statistical variation analyses of a simple Mach-Zehnder interferometer photonic circuit composed of the directional coupler and Y-branch devices.
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Linear and non linear coupling effects in sequence of microresonators
… novel configurations. The coupling between a Mach-Zehnder interferometer and such configuration of microresonators is also investigated. Since the used material platform is the silicon on insulator (SOI), an in depth study of the microresonators behaviour has demanded an investigation in both …
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Automated SG-DBR Tunable Laser Calibration Optimized for Optical Coherence Tomography Applications
… OCT tests are also performed by utilizing a Mach-Zehnder interferometer as a device under test to verify the accuracy of the laser calibration methodology. The OCT response to a single reflection event is measured over a range of repetition rates. A method to reduce these spurious display …
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Measuring decoherence and the matter-wave index of refraction with an improved atom interferometer
… experiments performed using the MIT atom interferometer, which has recently been upgraded to provide increased experimental precision and flexibility. The three-gratings comprising our Mach-Zehnder interferometer have been installed on a vibration isolated platform which has reduced rms …
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Characterizing optical properties in fibrous tissues
… by using a fiber optics based low-coherence Mach-Zehnder interferometer. The experimental system was validated in tissue phantoms. In tendon samples, the measured time-resolved reflectance was different at different measurement angles, which was satisfactorily explained by using the …
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Photonic integrated circuits for optical logic applications
… waveguide technique and the SOAs are placed in a Mach-Zehnder interferometer (MZI) configuration. By sending in high-intensity pulses, the gain characteristics, phase-shifting, and refractive indices of the SOA can be altered, creating constructive or deconstructive interference at the MZI output. …
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Indium phosphide based integrated photonic devices for telecommunications and sensing applications
… The all-optical logic gate is designed as a Mach-Zehnder interferometer with semi- conductor optical amplifiers as active nonlinear elements that are optically coupled to the passive waveguides using the asymmetric twin waveguide technique. The device is grown and fabricated monolithically …
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