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A multiwavelength fiber ring laser that is based on an S-band erbium-doped fiber amplifier (EDFA) and a semiconductor optical amplifier (SOA) is developed. An optical switch is used to switch the mult...
Hybrid Integration of Semiconductor Optical Amplifier and Silica-based Planar Lightwave Circuit for Low Polarization Dependent Gain
Integrated optics devices Waveguides planar
2015/5/26
We demonstrated a semiconductor optical amplifier hybrid-integrated with a silica-based planar lightwave circuits. With deploying polarization diversity circuit, polarization dependent gain was reduce...
Polarization Independent Dual Wavelength Converter Based on FWM in a Single Semiconductor Optical Amplifier
Wavelength conversion devices SOA Nonlinear optics FWM
2015/6/10
We present a FWM-based dual channel wavelength converter in an SOA with very small variations in conversion efficiency and a minor polarization related power penalty of 0.9dB between best and worst ca...
Photonic Balancing in DPSK Detection Using Pulse Collision in a Semiconductor Optical Amplifier
Photonic Balancing DPSK Detection Pulse Collision Semiconductor Optical Amplifier
2015/7/14
We present a new DPSK receiver scheme where counter-propagating pulses collide in a saturated semiconductor optical amplifier, realizing photonically balanced single-ended detection. Decreased fluctua...
Semiconductor Optical Amplifier-Fiber Laser and Its Improvement for Sensor Application
Fiber laser Fiber sensor Ring laser
2009/6/1
We have developed a novel optical fiber ring laser using a semiconductor optical amplifier (SOA) as the gain medium, and taking advantage of polarization anisotropy of its gain. Since the frequency di...
Tunable Slow Light in Semiconductor Optical Amplifier without External Pump Laser
Tunable Slow Light Semiconductor Optical Amplifier External Pump Laser
2015/8/6
This investigation experimentally demonstrates tunable slow light in a semiconductor optical amplifier (SOA) without an external pump laser. Tunable time delays are achieved by adjusting the feedback ...
High Capacity Demonstration of a Compact Regrowth-Free Integrated 4 x 4 Quantum Well Semiconductor Optical Amplifier Based Switch
Compact Regrowth-Free Integrated Quantum Semiconductor Optical Amplifier Based Switch
2015/8/3
A fibre-to-fibre lossless integrated 4x4 SOA switch achieves an IPDR ~6dB at <2dB penalty for 8 λ x10Gb/s.10Gb/s cascaded operation of two 4x4 switches is demonstrated.
Single and Multiple Channel Operation Dynamics of Linear Quantum-Dot Semiconductor Optical Amplifier
Single Multiple Channel Operation Dynamics Linear Quantum-Dot Semiconductor Optical Amplifier
2015/8/3
Ultra linear quantum-dot semiconductor optical amplifiers at 1.3 μm provide high dynamic input power range for single and multiple channels with error-free amplification. Good burst-mode tolerance is ...
1.55-? ?m Polarization-Insensitive Quantum Dot Semiconductor Optical Amplifier
Polarization-Insensitive Quantum Semiconductor Optical Amplifier
2015/8/3
A 1.55- ? m polarization-insensitive quantum dot semiconductor optical amplifier was realized for the first time by applying columnar dots surrounded by tensile-strained side-barriers. The polarizatio...