33 citations · 99 across the 19 of their papers we have counts for
18 papers · 1 filter
Beat-spectrum design for 100-km-range optical correlation-domain reflectometry with localized 15-cm resolution
Takaki Kiyozumi, Yuta Higa, Soshi Yoshida +4
Conventional optical correlation-domain reflectometry (OCDR) based on sinusoidal frequency modulation exhibits a coupling between measurement range and spatial resolution because b…
High-Spatial-Resolution Optical Correlation-Domain Reflectometry with 100-km Measurement Range
Takaki Kiyozumi, Soshi Yoshida, Yuta Higa +4
In the maintenance of optical fiber networks, there is a growing demand for high-precision measurement of optical loss distribution and fault locations over long distances. In this…
Repetition-Rate-Difference Tunable Dual-Comb Fiber Laser Using Bidirectional Lyot filtering
Yuanjun Zhu, Bowen Liu, Maolin Dai +4
Single cavity dual-comb fiber lasers adopting different multiplexing configurations are benefited from the natures of common-mode noise suppression and superior coherence. Particul…
GHz fundamental mode-locking of a highly integrated Er-doped all-fiber ring laser
Maolin Dai, Bowen Liu, Yifan Ma +4
High repetition rate ultrafast fiber lasers are important tools for both fundamental science and industry applications. However, achieving over GHz repetition rate in passively mod…
783-MHz fundamental repetition rate all-fiber ring laser mode-locked by carbon nanotubes
Maolin Dai, Bowen Liu, Yifan Ma +5
We demonstrate a 783-MHz fundamental repetition rate mode-locked Er-doped all-fiber ring laser with a pulse width of 623 fs. By using carbon nanotubes (CNT) saturable absorber (SA)…
Mode-Locked Fiber Laser with up to 19 kHz Wavelength Sweep Rate via External Pump LD Modulation
Guanyu Ye, Maolin Dai, Bowen Liu +4
For the first time, we introduce a rapid wavelength-swept, passively mode-locked fiber laser in an all-polarization-maintaining and all-fiber configuration. Achieving an exceptiona…
Temperature dependent multi-pulse threshold due to SWCNT/PDMS saturable absorber
Rhona L Hamilton, Moeri Horiuchi, Bowen Liu +3
The threshold pump power for modelocking decreased by 18% when the temperature was increased from 25 to 100 degrees C, where a SWCNT/PDMS coated tapered fiber was used as the satur…
Rapid-scanned and self-corrected repetition rates enabled in a bidirectional polarization-multiplexed fiber laser
Bowen Liu, Maolin Dai, Takuma Shirahata +3
Repetition-rate-scanned lasers are practical in accordion frequency comb generation that serves as a variable gearbox connecting optical and radio wave domains. Rapid and wide-rang…
Pump-power-controlled L-band wavelength-tunable mode-locked fiber laser utilizing all polarization maintaining nonlinear polarization rotation
Guanyu Ye, Bowen Liu, Maolin Dai +4
For the first time, we present the pump power-controlled wavelength-tunable mode-locked fiber laser in the L-band (1565 nm to 1625 nm), achieved by all-polarization maintaining (al…
Strong Optomechanical Interactions with Long-lived Fundamental Acoustic Waves
Wendao Xu, Arjun Iyer, Lei Jin +2
Traveling-wave optomechanical interactions, known as Brillouin interactions, have now been established as a powerful and versatile resource for photonic sources, sensors, and radio…
Design of a passively mode-locking whispering gallery mode microaser
Tomoki S. L. Prugger Suzuki, Ayata Nakashima, Keigo Nagashima +6
Ultrahigh repetition rate lasers will become vital light sources for many future technologies; however, their realization is challenging because the cavity size must be minimized.…
SWCNT@BNNT with 1D van der Waals Heterostructure with a High Optical Damage Threshold for Laser Mode-locking
Zheyuan Zhang, Pengtao Yuan, Shoko Yokokawa +8
Single-walled carbon nanotube encapsulated in boron nitrite nanotube (SWCNT@BNNT) is a novel nanomaterial with a one-dimensional van der Waals (1D-vdW) heterostructure. In this pap…
Passively mode-locked thulium-doped all-fiber laser based on low V number fiber bending
Hongbo Jiang, Yunpeng Huang, Zihao Zhao +3
This paper describes a mode locking technique based on enhanced polarization dependent loss (PDL). The method utilizes a bent single mode fiber (SMF28) coil to induce sufficient PD…
Short length Lyot filter utilized in dual-wavelength and wavelength tunable mode-locked fiber laser generation
Yuanjun Zhu, Xiangnan Sun, Lei Jin +2
Dual-wavelength mode-locked fiber laser and wavelength tunable mode-locked fiber laser have emerged as a promising light source. However, there is few reports on generating these t…
All-fiber dual-wavelength mode-locked laser using a bend-induced-birefringence Lyot-filter as gain-tilt equalizer
Yuanjun Zhu, Fulin Xiang, Lei Jin +2
Multi-wavelength fiber lasers have emerged as a promising light source for the application in wavelength division multiplexing communication, terahertz wave generation and optical…
Spontaneous laser line sweeping in bi-directional ring thulium fiber laser
Hongbo Jiang, Zihao Zhao, Pengtao Yuan +3
We report a phenomenon of self-sweeping in a bi-directional ring thulium-doped fiber laser, for the first time. The laser is spontaneously sweeping in both directions at a rate up…
Two-Photon Absorption and Saturable Absorption of Mid-IR in Graphene
Andrew Malouf, Ori Henderson-Sapir, Sze Yun Set +2
We report on the response of graphene to high intensity mid-IR radiation and show that graphene exhibits saturable absorption and significant two-photon absorption in the spectral…
Fiber-optic cascaded forward Brillouin scattering seeded by backward stimulated Brillouin scattering: conceptual proposal and experimental validation
Neisei Hayashi, Yosuke Mizuno, Kentaro Nakamura +2
We propose a method for generating cascaded forward Brillouin scattering (CFBS), based on a counter-propagated pump-probe technique, utilizing backward stimulated Brillouin scatter…