Erbium Doped Fiber Amplifier Pdf

Erbium doped fiber amplifier edfa is an optical amplifier used in the c band and l band where the loss of telecom optical fibers becomes lowest in the entire optical telecommunication.
Erbium doped fiber amplifier pdf. The absorption in the region from 400 to 600 nm has been divided by 10. 95713004 in partial fulfillment of the requirements for the award of the degree of master of technology in opto electronics laser technology is carried out at laboratory for electro optics systems isro bangalore during the academic year 2014 2015. Laiju p joy reg. The fiber has an elliptical core design with high erbium concentration making it attractive for very short fiber use in the laser cavity.
As pr ions in sili. Fundamentals and technology p. This edfa is designed to be used in the traditional c band. The super fast erbium doped fiber amplifier was developed to address these fast transient condi tions with sub μs suppression time.
Thorlabs praseodymium doped fiber amplifier pdfa offers high gain 20 db small signal gain high output power 16 dbm and a low noise figure 8 db making it ideal for use within optical networks as either a booster amplifier or preamplifier. From erbium doped fiber amplifiers. The amplifier has a spectral bandwidth of greater than 300 ghz in the region of 1 536μm and a measured sensitivity of 42dbm at a bit rate of 140mbit s. During operation the signal wavelengths must be confined to a 3 2 nm super fast erbium doped fiber amplifier edfa 11 9 125 figure 1.
Fiber lasers pm amplifiers rightwave highly doped erbium edf ytterbium and thulium doped edf. A multicore erbium doped fiber mc edf amplifier for simultaneous amplification in the 7 cores has been developed and the gain and noise properties of individual cores have been studied. High gain amplification of up to 28 db has been observed in a 3m long erbium doped fibre. Simpson academic press san diego 1999 p.
Erbium doped fiber amplifiers is a bonafide work done by mr. A absorption for an erbium doped glass fiber. Introduction laser and its derivatives are playing crucial roles in a wide domain of science and technology due to their ad. The edfa must respond.
Low noise erbium doped fibre amplifier operating at 1 54μm abstract. 112 b optical transitions between. Sign that this optical configuration can be used as an on off integrated optical device for fiber la ser.