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Tapered semiconductor optical amplifier (SOA) based on SQW improved nanostructure (gain maximum at 840 nm) was used as output power amplifier in MOPA-system with SLD as master oscillator. CW output power of up to 0.5 W ex standard multimode fiber (MMF) was obtained.
In this paper an alternative realisation of optical comb generation is presented based on the chirp of an SOA. The principle of the structure is discussed corroborating with the experimental performance of the suggested loop structure.
An all-optical frequency upconverter using an optical interleaver and a semiconductor optical amplifier (SOA) has been experimentally demonstrated for radio-over-fiber (RoF) applications. An optical radio frequency (RF) signal (fRF=25 GHz) consisting of an optical carrier and a sideband is generated by mixing an optical intermediate frequency (IF) signal (fIF=1 GHz) with an optical local oscillator...
An integrable all-optical clocked D type flip-flop is demonstrated exploiting SOA-based transparent all-optical SR latch. Nonlinear effects of four wave mixing and cross gain modulation are used for optical logic gate operations.
A SOA-based linear cavity mode-locked fiber laser is proposed with an external pulse sequence in this paper. 4.8 ps pulse sequence at 10 GHz is achieved successfully with time jitter about 60 fs in a simple configuration.
This paper describes an semiconductor optical amplifier (SOA) and Lyot filter based multiwavelength actively mode-locked fibre ring laser. This laser is capable of producing 18 mode-locked wavelength channels each containing a 2 GHz repetition rate pulse train having a pulse width of approximately 95 ps.
Saturated optical amplifiers in amplification and conversion schemes are used for suppression of turbulence noise in FSO links with high scintillation index. The PDF of logic-one and logic-zero levels are measured and compared with those of systems using the erbium doped fiber amplifier (EDFA) and semi-conductor optical amplifier (SOA). The proposed receiver structure using saturated optical amplifiers...
A laboratory-simulated free-space optical link under various turbulence levels is implemented to propose and experimentally demonstrate the use of saturated optical amplifiers as a simple and efficient approach for suppression of scintillation due to atmospheric turbulence. The use of erbium-doped fiber amplifier (EDFA) or semiconductor optical amplifier (SOA) requires the received signal be coupled...
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