Analysis of relative intensity noise in tapered grating QWS-DFB laser diodes by using three rate equations model

Shahshahani, Fatemeh; Ahmadi, Vahid

doi:10.1016/j.sse.2008.01.014

Cited by 6 publications

(4 citation statements)

References 9 publications

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“…In this equation, r 1 , r 2 , n sp , y ij are reflection coefficient of left and right side of the laser, inverse mass factor and matrix elements [68,69], respectively. E(z) is the solution of coupled wave equation and P ASE can be normalized to hc l .…”

Section: Spectrum Of Amplified Spontaneous Emission (Ase) In Distribumentioning

confidence: 99%

Analysis and modeling of ridge waveguide quarterly wavelength shifted distributed feedback laser with three rate equations

Ghadimi

Shal

2015

Front. Optoelectron.

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In this paper, ridge waveguide quarterly wavelength shifted distributed feedback (RW-QWS-DFB) laser was modeled and analyzed. In this behavioral model, some characteristics of the device, such as threshold current, line width, power of output wave, spectrum of output wave, and laser stability in high powers, were investigated in accordance with different physical and geographical parameters such as sizes and structures of the layers. Considering a new proposed algorithm, the analysis of the mentioned structures was performed using transfer matrix method (TMM), the solution of coupled waves and carrier rate equations. The results showed the advantages of some parameters in this structure.

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Section: Spectrum Of Amplified Spontaneous Emission (Ase) In Distribumentioning

confidence: 99%

Analysis and modeling of ridge waveguide quarterly wavelength shifted distributed feedback laser with three rate equations

Ghadimi

Shal

2015

Front. Optoelectron.

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“…Analysis is based on solving both (1) and (2) simultaneously. The method employed is based upon the transfer matrix method (TMM) [10,11]. α ) 20 In this method, the cavity length is divided in to 200 equal parts and in every part different parameters of the laser including coupling coefficient, carrier density, refractive index and density of photons are assumed to be constant.…”

Section: Theoretical and Physical Modelmentioning

confidence: 99%

Simulation of the Optimized Structure of a Laterally Coupled Distributed Feedback (LC-DFB) Semiconductor Laser Above Threshold

Seifouri¹,

Faraji²

2013

Eng. Technol. Appl. Sci. Res.

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In this paper, the laterally coupled distributed feedback semiconductor laser is studied. In the simulations performed, variations of structural parameters such as the grating amplitude a, the ridge width W, the thickness of the active region d, and other structural properties are considered. It is concluded that for certain values of structural parameters, the laser maintains the highest output power, the lowest distortion Bragg frequency δL and the smallest changes in the wavelength λ. Above threshold, output power more than 40mW and SMSR values greater than 50 dB were achieved.

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“…Analysis is based on solving both the coupled wave equations (1) and rate equation (4) simultaneously. The method employed based upon TMM [15,16].…”

Section: Wwwetasrcom Seifouri Et Al: Numerical Analysis Of Shb Effect...mentioning

confidence: 99%

Numerical Analysis of SHB Effects in Laterally-Coupled Distributed Feedback (LC-DFB) Lasers

Seifouri

Shahshahani

Faraji

2012

Eng. Technol. Appl. Sci. Res.

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In this paper the stability of Laterally-Coupled Distributed Feedback (LC-DFB) Lasers against the Spatial Hole Burning (SHB) effect is analyzed theoretically. The stability of the laser structure is evaluated using the flatness parameter F. It is shown that the LC-DFB lasers are stable in a wide range of different values of ridge width and amplitude grating. The stability is sustained with increasing injection current. The results show that the flatness parameter is minimal for certain values of the amplitude grating. The numerical calculations have been done by coupled wave and carrier rate equations on the basis of the transfer matrix method (TMM)

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Analysis of relative intensity noise in tapered grating QWS-DFB laser diodes by using three rate equations model

Cited by 6 publications

References 9 publications

Analysis and modeling of ridge waveguide quarterly wavelength shifted distributed feedback laser with three rate equations

Analysis and modeling of ridge waveguide quarterly wavelength shifted distributed feedback laser with three rate equations

Simulation of the Optimized Structure of a Laterally Coupled Distributed Feedback (LC-DFB) Semiconductor Laser Above Threshold

Numerical Analysis of SHB Effects in Laterally-Coupled Distributed Feedback (LC-DFB) Lasers

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