Designing broadband fiber optic parametric amplifier based on near-zero single ZDW PCF with ultra-flat nature

Partha Sona Maji; Ritwick Das

doi:doi:10.3788/COL201715.070606

Chinese Optics Letters, 2017, 15 (7): 070606, Published Online: Jul. 20, 2018

Designing broadband fiber optic parametric amplifier based on near-zero single ZDW PCF with ultra-flat nature Download： 690次

Partha Sona Maji Ritwick Das ^*

Author Affiliations

School of Physical Sciences, National Institute of Science Education and Research, HBNI Bhubaneswar, Jatni 752050, India

Figures & Tables

Fig. 1. (Color online) Optimized dispersion profile with $D = 0 + 1 ps / (nm \cdot km)$ over a wavelength range of 316 nm and corresponding $β_{2}$ variation. Top inset: the cross section of the optimized design. Bottom inset: the corresponding 4th-order GVD parameter ( $β_{4}$ ), which remains positive up until the wavelength value of 1558 nm.

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Fig. 2. (Color online) FOPA gain and bandwidth variation as a function of the fiber length for a fixed pump power of 10 W.

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Fig. 3. (Color online) FOPA gain and bandwidth variation as a function of the pump power (P) for a 35 m fiber length at $λ_{p} = 1450 nm$ .

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Fig. 4. (Color online) (a) FOPA gain and bandwidth variation as a function of pumping wavelength for a pump power of 10 W and a fiber length of 40 m around the ZDW. (b) The phase-mismatch ( $Δ β$ ) alteration corresponding to (a). The phase-mismatch curve clearly predicts the dip and peak of the FOPA gain spectrum.

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Fig. 5. Optimized parametric gain spectrum for a bandwidth of 223 nm. Inset: the corresponding $Δ β$ variation. The net gain took place for $- 4 γ P \leq Δ β \leq 0$ while the maximum gain corresponds to $Δ β = - 2 γ P$ .

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Partha Sona Maji, Ritwick Das. Designing broadband fiber optic parametric amplifier based on near-zero single ZDW PCF with ultra-flat nature[J]. Chinese Optics Letters, 2017, 15(7): 070606.

Designing broadband fiber optic parametric amplifier based on near-zero single ZDW PCF with ultra-flat nature Download： 690次

Fig. 2. (Color online) FOPA gain and bandwidth variation as a function of the fiber length for a fixed pump power of 10 W.

Fig. 3. (Color online) FOPA gain and bandwidth variation as a function of the pump power (P) for a 35 m fiber length at $λ_{p} = 1450 nm$ .

Fig. 5. Optimized parametric gain spectrum for a bandwidth of 223 nm. Inset: the corresponding $Δ β$ variation. The net gain took place for $- 4 γ P \leq Δ β \leq 0$ while the maximum gain corresponds to $Δ β = - 2 γ P$ .

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Designing broadband fiber optic parametric amplifier based on near-zero single ZDW PCF with ultra-flat nature Download： 690次

Fig. 2. (Color online) FOPA gain and bandwidth variation as a function of the fiber length for a fixed pump power of 10 W.

Fig. 3. (Color online) FOPA gain and bandwidth variation as a function of the pump power (P) for a 35 m fiber length at λp=1450 nm.

Fig. 5. Optimized parametric gain spectrum for a bandwidth of 223 nm. Inset: the corresponding Δβ variation. The net gain took place for −4γP≤Δβ≤0 while the maximum gain corresponds to Δβ=−2γP.

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Fig. 3. (Color online) FOPA gain and bandwidth variation as a function of the pump power (P) for a 35 m fiber length at $λ_{p} = 1450 nm$ .

Fig. 5. Optimized parametric gain spectrum for a bandwidth of 223 nm. Inset: the corresponding $Δ β$ variation. The net gain took place for $- 4 γ P \leq Δ β \leq 0$ while the maximum gain corresponds to $Δ β = - 2 γ P$ .