Optimizing the external optical cavity parameters for performance improvement of a fiber grating Fabry–Perot laser

Hisham, Hisham; Abas, Ahmad Fauzi; Mahdiraji, Ghafour Amouzad; Mahdi, Mohd Adzir; Adikan, Faisal Rafiq Mahamd

doi:10.1007/s10043-015-0064-y

Cited by 5 publications

(5 citation statements)

References 44 publications

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“…where A, B , C(T) and N t,VCSEL are the non-radiative recombination, the radiaitive recombination coefficient, the temperature dependence (TD) Auger process and the threshold carrier density, respectively. The TD of the VCSEL model is assumed vary according to [1][2][3][4][5][6]9].…”

Section: Vcsel Model Developmentmentioning

confidence: 99%

“…This requires laser with a single-longitudinal-mode (SLM) operation, fast response, low chirp and high wavelength stability [4]. However, the change in temperature leads to fluctuate in the lasing frequency, which makes it unsuitable for the WDM and DWDM requirements [5]. This instability is one of the most important limitations that affecting the performance of these systems [6].…”

Section: Introductionmentioning

confidence: 99%

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Theory of Mitigate Temperature Effect on the Equilibrium Point in Vertical Cavity Surface Emitting Lasers

Hisham¹

2019

KUJSS

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This paper presents a way to mitigate the influence of temperature effects on the equilibrium point (Q-point) of vertical cavity surface emitting lasers (VCSELs) by investigating the effect of laser injection current (I inj ) and dc-bias level (I bias ) numerically using MATHCAD software.Results show that, by changing temperature 50 o C (i.e. from 10 to 60) with I inj = 3I th and I bias = 0, the photons density (P(t)) has decreased from 1.636 × 10 16 cm -3 to 0.733 × 10 16 cm -3 , the carrier density (N(t)) has increased from 2.367 × 10 18 cm -3 to 2.669 × 10 18 cm -3 and the laser output power (P out ) has decreased from the 2.366 mW to the 1.025 mW. In contrast, by increasing the I inj from 3I th to 5I th and the I bias from 0 to 1.5I th , the rate of the decreasing in the P(t) and in the P out have reduced more than 25%.

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Section: Vcsel Model Developmentmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Theory of Mitigate Temperature Effect on the Equilibrium Point in Vertical Cavity Surface Emitting Lasers

Hisham¹

2019

KUJSS

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“…All these values are fixed throughout the paper, except otherwise stated. -3 Transparency carrier density Anr = 1ˣ10 8 sec -1 Non-radiative coefficient B = 1ˣ10 -16 m 3…”

Section: Delay Time Of Vcsel Modelmentioning

confidence: 99%

“…Γ (= d/L) denotes the confinement factor and v g is the group velocity. The temperature effect on the delay time of VCSEL is investigated according to [3]. Since the temperature affects the photon lifetime in Eq.…”

Section: Introductionmentioning

confidence: 99%

Delay Time Reduction in VCSELs by Optimizing Laser Parameters

Hisham¹

2016

IJEEE

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An extensive analysis on reducing the turn-on time delay (t on) in vertical cavity surface emitting lasers (VCSELs) has conducted successfully by considering all the recombination rate coefficients R(N) Besides the R(N) coefficients, the impact of other laser parameters such as, injection current (I inj), laser cavity volume (V),mirror reflectivity (R), and operating temperature (T) also have investigated. Unlike pervious studies, the temperature dependence (TD) of t on is calculated according to TD of laser parameters instead of well-known Pankove relationship. Results showed that, t on can be reduced by increasing the I inj and/or the N i. Meanwhile, the t on increases by increasing the R(N) coefficients. Also, results showed that the t on can be reduced by increasing the R-level or by optimizing laser cavity volume.

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“…Due to their diverse applications in optical network, recently years seen a rapid growth in vertical cavity surface emitting lasers (VCSELs) technology. VCSELs have high Possibilities as cheap light sources for fiber-optical communication systems due to their ability for direct laser-to-fiber coupling with high singlemode output power for data links and fiber optics systems [2,3].…”

Section: Introductionmentioning

confidence: 99%

Delay Time Reduction in VCSELs by Optimizing Laser Parameters

Hisham¹

2016

IJEEE

View full text Add to dashboard Cite

An extensive analysis on reducing the turn-on time delay (ton) in vertical cavity surface emitting lasers (VCSELs) has conducted successfully by considering all the recombination rate coefficients R(N) Besides the R(N) coefficients, the impact of other laser parameters such as, injection current (Iinj), laser cavity volume (V),mirror reflectivity (R), and operating temperature (T) also have investigated. Unlike pervious studies, the temperature dependence (TD) of ton is calculated according to TD of laser parameters instead of well-known Pankove relationship. Results showed that, ton can be reduced by increasing the Iinj and/or the Ni. Meanwhile, the ton increases by increasing the R(N) coefficients. Also, results showed that the ton can be reduced by increasing the R-level or by optimizing laser cavity volume.

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Optimizing the external optical cavity parameters for performance improvement of a fiber grating Fabry–Perot laser

Cited by 5 publications

References 44 publications

Theory of Mitigate Temperature Effect on the Equilibrium Point in Vertical Cavity Surface Emitting Lasers

Theory of Mitigate Temperature Effect on the Equilibrium Point in Vertical Cavity Surface Emitting Lasers

Delay Time Reduction in VCSELs by Optimizing Laser Parameters

Delay Time Reduction in VCSELs by Optimizing Laser Parameters

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