High-Order Domain-Wall Dark Harmonic Pulses and Their Transition to H-Shaped and DSR Pulses in a Dumbbell-Shaped Fiber Laser at 1563 nm
In this work, we report the formation of multiple mode-locking states in an Erbium/Ytterbium co-doped fiber laser, such as domain-wall (DW) dark pulses, high-order dark harmonic pulses, dissipative soliton resonance (DSR) pulses, and dual-wavelength h-shaped pulses. By increasing the pump power and...
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MDPI AG
2025-06-01
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| author | Alejandro Reyes-Mora Manuel Durán-Sánchez Edwin Addiel Espinosa-De-La-Cruz Ulises Alcántara-Bautista Adalid Ibarra-Garrido Ivan Armas-Rivera Luis Alberto Rodríguez-Morales Miguel Bello-Jiménez Baldemar Ibarra-Escamilla |
| author_facet | Alejandro Reyes-Mora Manuel Durán-Sánchez Edwin Addiel Espinosa-De-La-Cruz Ulises Alcántara-Bautista Adalid Ibarra-Garrido Ivan Armas-Rivera Luis Alberto Rodríguez-Morales Miguel Bello-Jiménez Baldemar Ibarra-Escamilla |
| author_sort | Alejandro Reyes-Mora |
| collection | DOAJ |
| description | In this work, we report the formation of multiple mode-locking states in an Erbium/Ytterbium co-doped fiber laser, such as domain-wall (DW) dark pulses, high-order dark harmonic pulses, dissipative soliton resonance (DSR) pulses, and dual-wavelength h-shaped pulses. By increasing the pump power and adjusting the quarter-wave retarder (QWR) plates, we experimentally achieve 310th-order harmonic dark pulses. DSR pulses emerge at a pump power of 1.01 W and remain stable up to 9.07 W, reaching a maximum pulse width of 676 ns and a pulse energy of 1.608 µJ, while Dual-wavelength h-shaped pulses have a threshold of 1.42 W and maintain stability up to 9.07 W. Using a monochromator, we confirm that these h-shaped pulses result from the superposition of a soliton-like pulse and a DSR-like pulse, emitting at different wavelengths but locked in time. The fundamental repetition rate for dark pulsing, DSR, and h-shaped pulses is 321.34 kHz. This study provides new insights into complex pulse dynamics in fiber lasers and demonstrates the versatile emission regimes achievable through precise pump and polarization control. |
| format | Article |
| id | doaj-art-5541c01302484ed4a32af6215e62d930 |
| institution | DOAJ |
| issn | 2072-666X |
| language | English |
| publishDate | 2025-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Micromachines |
| spelling | doaj-art-5541c01302484ed4a32af6215e62d9302025-08-20T03:08:10ZengMDPI AGMicromachines2072-666X2025-06-0116772710.3390/mi16070727High-Order Domain-Wall Dark Harmonic Pulses and Their Transition to H-Shaped and DSR Pulses in a Dumbbell-Shaped Fiber Laser at 1563 nmAlejandro Reyes-Mora0Manuel Durán-Sánchez1Edwin Addiel Espinosa-De-La-Cruz2Ulises Alcántara-Bautista3Adalid Ibarra-Garrido4Ivan Armas-Rivera5Luis Alberto Rodríguez-Morales6Miguel Bello-Jiménez7Baldemar Ibarra-Escamilla8Instituto Nacional de Astrofísica, Óptica y Electrónica, Luis Enrique Erro, Sta. María Tonantzintla, Puebla 72824, MexicoInstituto Nacional de Astrofísica, Óptica y Electrónica, Luis Enrique Erro, Sta. María Tonantzintla, Puebla 72824, MexicoInstituto Nacional de Astrofísica, Óptica y Electrónica, Luis Enrique Erro, Sta. María Tonantzintla, Puebla 72824, MexicoInstituto Nacional de Astrofísica, Óptica y Electrónica, Luis Enrique Erro, Sta. María Tonantzintla, Puebla 72824, MexicoInstituto Nacional de Astrofísica, Óptica y Electrónica, Luis Enrique Erro, Sta. María Tonantzintla, Puebla 72824, MexicoInstituto Nacional de Astrofísica, Óptica y Electrónica, Luis Enrique Erro, Sta. María Tonantzintla, Puebla 72824, MexicoCentro de Investigaciones en Óptica, A.C., Loma de Bosque 115, Col. Lomas del Campestre, León 37115, MexicoInstituto de Investigación en Comunicación Óptica, Universidad Autónoma de San Luis Potosí, Av. Karakorum, San Luis Potosí 78210, MexicoInstituto Nacional de Astrofísica, Óptica y Electrónica, Luis Enrique Erro, Sta. María Tonantzintla, Puebla 72824, MexicoIn this work, we report the formation of multiple mode-locking states in an Erbium/Ytterbium co-doped fiber laser, such as domain-wall (DW) dark pulses, high-order dark harmonic pulses, dissipative soliton resonance (DSR) pulses, and dual-wavelength h-shaped pulses. By increasing the pump power and adjusting the quarter-wave retarder (QWR) plates, we experimentally achieve 310th-order harmonic dark pulses. DSR pulses emerge at a pump power of 1.01 W and remain stable up to 9.07 W, reaching a maximum pulse width of 676 ns and a pulse energy of 1.608 µJ, while Dual-wavelength h-shaped pulses have a threshold of 1.42 W and maintain stability up to 9.07 W. Using a monochromator, we confirm that these h-shaped pulses result from the superposition of a soliton-like pulse and a DSR-like pulse, emitting at different wavelengths but locked in time. The fundamental repetition rate for dark pulsing, DSR, and h-shaped pulses is 321.34 kHz. This study provides new insights into complex pulse dynamics in fiber lasers and demonstrates the versatile emission regimes achievable through precise pump and polarization control.https://www.mdpi.com/2072-666X/16/7/727high-order dark pulseDSR pulseh-shaped pulsedual-wavelengthmode-locked fiber laser |
| spellingShingle | Alejandro Reyes-Mora Manuel Durán-Sánchez Edwin Addiel Espinosa-De-La-Cruz Ulises Alcántara-Bautista Adalid Ibarra-Garrido Ivan Armas-Rivera Luis Alberto Rodríguez-Morales Miguel Bello-Jiménez Baldemar Ibarra-Escamilla High-Order Domain-Wall Dark Harmonic Pulses and Their Transition to H-Shaped and DSR Pulses in a Dumbbell-Shaped Fiber Laser at 1563 nm Micromachines high-order dark pulse DSR pulse h-shaped pulse dual-wavelength mode-locked fiber laser |
| title | High-Order Domain-Wall Dark Harmonic Pulses and Their Transition to H-Shaped and DSR Pulses in a Dumbbell-Shaped Fiber Laser at 1563 nm |
| title_full | High-Order Domain-Wall Dark Harmonic Pulses and Their Transition to H-Shaped and DSR Pulses in a Dumbbell-Shaped Fiber Laser at 1563 nm |
| title_fullStr | High-Order Domain-Wall Dark Harmonic Pulses and Their Transition to H-Shaped and DSR Pulses in a Dumbbell-Shaped Fiber Laser at 1563 nm |
| title_full_unstemmed | High-Order Domain-Wall Dark Harmonic Pulses and Their Transition to H-Shaped and DSR Pulses in a Dumbbell-Shaped Fiber Laser at 1563 nm |
| title_short | High-Order Domain-Wall Dark Harmonic Pulses and Their Transition to H-Shaped and DSR Pulses in a Dumbbell-Shaped Fiber Laser at 1563 nm |
| title_sort | high order domain wall dark harmonic pulses and their transition to h shaped and dsr pulses in a dumbbell shaped fiber laser at 1563 nm |
| topic | high-order dark pulse DSR pulse h-shaped pulse dual-wavelength mode-locked fiber laser |
| url | https://www.mdpi.com/2072-666X/16/7/727 |
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