نتایج جستجو برای: semiconductor optical amplifier soa
تعداد نتایج: 338143 فیلتر نتایج به سال:
In this paper, we present the generation of high peak-power picosecond optical pulses in the 1.26 μm spectral band from a repetition-rate-tunable quantum-dot external-cavity passively mode-locked laser (QD-ECMLL), amplified by a tapered quantum-dot semiconductor optical amplifier (QD-SOA). The laser emission wavelength was controlled through a chirped volume Bragg grating which was used as an e...
Two schemes for polarization-insensitive optical spectral inversion without frequency shift based on four-wave mixing are proposed, both utilizing a conventional semiconductor optical amplifier (SOA) and two pump waves. The significant advantages of the configurations include their simplicity, effective suppression of the signal and one of the pump waves and a reduction in the noise associated ...
We propose a new method to characterize the conversion efficiency from the injected carriers to the excess photons in the process of all-optical gating in SOA, and investigated the efficiencies of SOAs with different structures. @2006 Optical Society of America OCIS codes: (250.5980) Semiconductor optical amplifiers; (190.5970) Semiconductor nonlinear optics including MQW;
All-optical 2R logic regeneration is demonstrated using a vertical cavity semiconductor optical amplifier. The optical switching threshold is 1 μW, with 10 dB gain and >6:1 (8dB) extinction ratio. Performance limits are also discussed. ©2003 Optical Society of America OCIS codes: (190.1450) Bistability; (200.4660) Optical Logic; (250.5980) Semiconductor Optical Amplifiers; (230.4320) Nonlinear ...
We experimentally demonstrate 200 Gb/s/ $\lambda $ upstream coherent passive optical network (PON) using polarization division multiplexed (PDM) pulse amplitude modulation 4-level (PAM4) signal with detection. The 50 GBaud PDM-PAM4 is...
Abstract We experimentally demonstrate the emulation of scaling semiconductor optical amplifier (SOA) based integrated all-optical neural network in terms number input channels and layer cascade, with chromatic at neuron monochromatic output conversion, obtained by exploiting cross-gain-modulation effect. propose a noise model for investigating signal degradation on processing after cascades SO...
Requirements for future bandwidth demand from access network keep changing, in order to support more streaming video on multicasting and broadcasting packet, a novel architecture of dynamic Multiwavelength Time Wavelength Division Multiplexing Passive Optical Network (TWDM PON) system using multicasting Cross Gain Multiplexing (XGM) and all optical packet routing (AOPR) module in optical line t...
We present the development of a monolithically integratable optical isolator. The device is a semiconductor optical amplifier with magnetized ferromagnetic metal contact. 12.7dB isolation and optical transparency are demonstrated. The spectral dependence is studied. ©2005 Optical Society of America OCIS codes: (230.3240) Isolators; (250.5980) Semiconductor optical amplifiers; (230.3810) Magneto...
We propose a flat-top bandpass microwave photonic filter (MPF) with flexible tunability of the bandwidth and center frequency based on optical nonlinearities in a Fabry-Pérot semiconductor optical amplifier (FP-SOA). Phase-inverted modulation induced by cross-gain modulation (XGM) and optical spectral broadening induced by self-phase modulation (SPM) are exploited to achieve flat-top and bandwi...
We evaluated the energy efficiency per 1-bit transmission of an optical light source on InP substrate to achieve interconnection. A semiconductor amplifier (SOA) assisted extended reach EADFB laser (AXEL) was utilized as enhance compared conventional electro-absorption modulator integrated with a DFB (EML). The AXEL has frequency bandwidth extendibility for operation over 100 Gbit/s, which is d...
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