搜索结果: 1-15 共查到“光电子技术 semiconductor”相关记录37条 . 查询时间(0.062 秒)
Researchers repurpose failed cancer drug into printable semiconductor（图）
researcher repurpose printable semiconductor
2019/10/17
Many potential pharmaceuticals end up failing during clinical trials, but thanks to new NSF-funded research from the University of Illinois, biological molecules once considered for cancer treatment a...
Single photon sources with single semiconductor quantum dots
single-photon source quantum dot (QD) quantum optics photon correlation
2016/1/23
In this contribution, we briefly recall the basic concepts of quantum optics and properties of semicon-ductor quantum dot (QD) which are necessary to the understanding of the physics of single-photon ...
Wavelength-tunable QAM Synthesis by Direct Modulation of Injection-locked Fabry-Perot Semiconductor Lasers
Wavelength-tunable QAM Synthesis Direct Modulation Injection-locked Fabry-Perot Semiconductor Lasers
2014/11/6
A new scheme for direct and tunable (30nm shown here) QAM synthesis from binary RF data streams is demonstrated with up to 48Gbit/s QPSK, including propagation over 75km SMF-28. Preliminary 16QAM (60G...
Efficiency above the Shockley−Queisser Limit by Using Nanophotonic Effects To Create Multiple Effective Bandgaps With a Single Semiconductor
Photon management nanostructured solar cells Shockley− Queisser limit light trapping tandem solar cells
2015/8/6
We present a pure photonic approach to overcome the Shockley−Queisser limit. A single material can show different effective bandgap, set by its absorption spectrum, which depends on ...
Optical Fano resonance of an individual semiconductor nanostructure
Optical Fano resonance semiconductor nanostructure
2015/8/6
Fano resonances with a characteristic asymmetric line shape can be observed in light scattering, transmission and reflection spectra of resonant optical systems1.
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...
This investigation experimentally demonstrates a 40 GHz phase shifter based on a semiconductor laser. The phase shift is achieved by adjusting the bias current and wavelength detuning. The device has ...
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...
Amplitude Regeneration of Phase Encoded Signals Using Injection Locking in Semiconductor Lasers
Lasers and laser optics Lasers injection-locked
2015/5/25
A phase preserving limiter based on injection locking in semiconductor lasers is experimentally investigated for 10Gb/s phase encoded signals. The proposed scheme exhibits significant amplitude noise ...
Semiconductor Laser White Noise Suppression by Optical Filtering with Ultra-Narrowband FBG
Semiconductor lasers Fiber Bragg gratings
2015/5/21
The white frequency noise of semiconductor lasers is attenuated significantly by optical filtering with an ultra-narrowband fiber Bragg grating. This noise reduction will improve carrier phase estimat...
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...
Raman Extended GPON using 1240 nm Semiconductor Quantum-Dot Lasers
Fiber optics communications Fiber optics links subsystems
2015/6/9
We present an experimental demonstration of GPON reach extension to 50 km with a 32-way PON split using Raman amplification of the upstream signal with 1240 nm quantum-dot pump lasers.
172-Gbps cascaded OTDM MUX and DEMUX operations of 43G VSR transceivers using integratable semiconductor devices
Opticcal communications Ultrafast devices Multiplexing ptical amplifiers Quantum
2015/6/9
We demonstrate 172-Gbps cascaded OTDM MUX and DEMUX for future LAN applications. Challenge is that the key devices are integratable, i.e. ISBT optical gates, EAM-DFB VSR MSA transceivers, quantum-dot ...
Linear and Nonlinear Semiconductor Optical Amplifiers
Quantum-well dot devices Semiconductor nonlinear optics
2015/6/8
Semiconductor Optical Amplifiers (SOAs) may be designed as linear or nonlinear network elements. We report on recent results that indicate advantageous characteristics for QD SOAs as linear and bulk S...
Subwavelength Semiconductor Nanocavity Laser
Semiconductor lasers Nanophotonics photonic crystals
2015/6/5
We report the smallest metallo-dielectric cavity semiconductor laser to our knowledge operating at near-infrared frequencies. The laser consists of an InGaAsP patch sandwiched by gold. We observe lasi...