Fabrication of biaxial polarization-maintaining optical fiber with ultra-low bending-dependent polarization extinction ratio deterioration

Karatutlu, Ali; Yıldırım, Elif Yapar; Kendir, Esra; Midilli, Yakup; Akçimen, Samet; Ortaç, Bülend

doi:10.1016/j.yofte.2022.102836

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“…To test the BG on the PM fiber, a polarized incident light was first launched at 45° angles with respect to the major axis of a PM fiber (slow axis) without the BG as reported in detail in our previous study. [ 25 ] Briefly, polarization properties of a PM fiber, including the beat length and/or birefringence, are reported in general to demonstrate its high birefringence. Figure 6f shows the ∆ λ values corresponding to the separation between the two adjacent maxima at the wavelengths from 1520 to 1580 nm, comprising the telecom S‐C‐L bands.…”

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confidence: 99%

Low‐Temperature Synthesis of Silicon Oxynitride‐Doped Si for Tunable Bragg Gratings Homogeneously Deposited on Si, SiO₂, and Borosilicate Substrates and the tip of SM and PM Optical Fibers

Karatutlu

Tabaru

Ortaç

2023

Advanced Optical Materials

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Optical tunability and repeatability are essential in fabricating optoelectronic devices from waveguides to Bragg gratings (BGs) for high-energy, high-power, mode-locking, and sensing applications. For this purpose, a controlled adjustment in the optical properties, including the refractive index of the deposited nanolayers, becomes critical. This study reveals that silicon oxynitride (SiON) doping into silicon (Si) offers a new way for the preparation of novel Si-based devices with an emphasis on the BGs for filtering a particular portion of an electromagnetic spectrum, including the wavelengths of 800, 976, 1550, and 1840 nm. Control on the incident angle dependence of the BGs is demonstrated at Watt-level for the wavelength of 976 nm. Amorphous SiON-doped Si layers on alternating SiO 2 can be synthesized on bulk substrates and different optical fibers at relatively low temperatures with wide and narrow bandwidths. The high reflectivity of the novel Si-based BGs reveals over −22 dB reflection using typical optical fibers, including standardsingle-mode fibers and high-birefringent polarization-maintaining (PM) fibers. The polarized transmission measurement over the BG on the PMfiber shows the BGs do not deteriorate the PM properties, strongly yielding a beat length of 1.68 mm and birefringence of 9.2 × 10 −4 at the telecom C band.

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Section: Resultsmentioning

confidence: 99%

Low‐Temperature Synthesis of Silicon Oxynitride‐Doped Si for Tunable Bragg Gratings Homogeneously Deposited on Si, SiO₂, and Borosilicate Substrates and the tip of SM and PM Optical Fibers

Karatutlu

Tabaru

Ortaç

2023

Advanced Optical Materials

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View full text Add to dashboard Cite

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Fabrication of biaxial polarization-maintaining optical fiber with ultra-low bending-dependent polarization extinction ratio deterioration

Cited by 1 publication

References 16 publications

Low‐Temperature Synthesis of Silicon Oxynitride‐Doped Si for Tunable Bragg Gratings Homogeneously Deposited on Si, SiO₂, and Borosilicate Substrates and the tip of SM and PM Optical Fibers

Low‐Temperature Synthesis of Silicon Oxynitride‐Doped Si for Tunable Bragg Gratings Homogeneously Deposited on Si, SiO₂, and Borosilicate Substrates and the tip of SM and PM Optical Fibers

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Fabrication of biaxial polarization-maintaining optical fiber with ultra-low bending-dependent polarization extinction ratio deterioration

Cited by 1 publication

References 16 publications

Low‐Temperature Synthesis of Silicon Oxynitride‐Doped Si for Tunable Bragg Gratings Homogeneously Deposited on Si, SiO2, and Borosilicate Substrates and the tip of SM and PM Optical Fibers

Low‐Temperature Synthesis of Silicon Oxynitride‐Doped Si for Tunable Bragg Gratings Homogeneously Deposited on Si, SiO2, and Borosilicate Substrates and the tip of SM and PM Optical Fibers

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Low‐Temperature Synthesis of Silicon Oxynitride‐Doped Si for Tunable Bragg Gratings Homogeneously Deposited on Si, SiO₂, and Borosilicate Substrates and the tip of SM and PM Optical Fibers

Low‐Temperature Synthesis of Silicon Oxynitride‐Doped Si for Tunable Bragg Gratings Homogeneously Deposited on Si, SiO₂, and Borosilicate Substrates and the tip of SM and PM Optical Fibers