Dual-Wavelength, Bidirectional Single-Wall Carbon Nanotube Mode-Locked Fiber Laser

Zhao, Xin; Zhang, Zheng; Liu, Ya; Hu, Guoqing; Liu, Jiansheng

doi:10.1109/lpt.2014.2332000

Cited by 67 publications

(13 citation statements)

References 14 publications

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“…While traveling along the same physical path, chromatic or polarization-mode dispersion results in different roundtrip time from one cavity. Multi-pulse lasing had also been observed in bidirectionally oscillating cavities [13,14] or a unidirectional one with slightly different beam paths [15].…”

Section: Introductionmentioning

confidence: 93%

Unidirectional, dual-comb lasing under multiple pulse formation mechanisms in a passively mode-locked fiber ring laser

Liu

Zhao

et al. 2016

Opt. Express

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Abstract:Dual-comb lasers from which asynchronous ultrashort pulses can be simultaneously generated have recently become an interesting research subject. They could be an intriguing alternative to the current dual-laser optical-frequency-comb source with highly sophisticated electronic control systems. If generated through a common light path traveled by all pulses, the common-mode noises between the spectral lines of different pulse trains could be significantly reduced. Therefore, coherent dual-comb generation from a completely commonpath, unidirectional lasing cavity would be an interesting territory to explore. In this paper, we demonstrate such a dual-comb lasing scheme based on a nanomaterial saturable absorber with additional pulse narrowing and broadening mechanisms concurrently introduced into a modelocked fiber laser. The interactions between multiple soliton formation mechanisms result in unusual bifurcation into two-pulse states with quite different characteristics. Simultaneous oscillation of pulses with four-fold difference in pulsewidths and tens of Hz repetition rate difference is observed. The coherence between these spectral-overlapped, picosecond and femtosecond pulses is further verified by the corresponding asynchronous cross-sampling and dual-comb spectroscopy measurements.

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Section: Introductionmentioning

confidence: 93%

Unidirectional, dual-comb lasing under multiple pulse formation mechanisms in a passively mode-locked fiber ring laser

Liu

Zhao

et al. 2016

Opt. Express

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“…Up to now several schemes of bidirectional ML fiber lasers have been successfully demonstrated [2,[4][5][6][7][8][9]. Some of them exploit the pure ring cavity design [2,[4][5][6], but the others contain a four-port circulator for independent control of clockwise (CW) and counterclockwise (CCW) pulses [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

“…Some of them exploit the pure ring cavity design [2,[4][5][6], but the others contain a four-port circulator for independent control of clockwise (CW) and counterclockwise (CCW) pulses [7][8][9]. It should be stressed that the vast majority of these lasers generate conservative solitons (CSs) with ∼600 fs∕1 ps duration in both CW and CCW directions.…”

Section: Introductionmentioning

confidence: 99%

“…In addition, pulse fluence should be of the order of the SA saturation fluence to promote total loss reduction in the case of the simultaneous arrival of countercirculating pulses to the SA [11]. Modern saturable absorbers, such as semiconductor saturable absorber mirror (SESAM) [7] or carbon nanotubes [2,4,6,9,10] and graphene [8], easily satisfy these requirements being the best candidates for bidirectional ML fiber laser development.…”

Section: Introductionmentioning

confidence: 99%

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Generation regimes of bidirectional hybridly mode-locked ultrashort pulse erbium-doped all-fiber ring laser with a distributed polarizer

et al. 2016

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We report on the stable picosecond and femtosecond pulse generation from the bidirectional erbium-doped all-fiber ring laser hybridly mode-locked with a coaction of a single-walled carbon nanotube-based saturable absorber and nonlinear polarization evolution that was introduced through the insertion of the short-segment polarizing fiber. Depending on the total intracavity dispersion value, the laser emits conservative solitons, transform-limited Gaussian pulses, or highly chirped stretched pulses with almost 20 nm wide parabolic spectrum in both clockwise (CW) and counterclockwise (CCW) directions of the ring. Owing to the polarizing action in the cavity, we have demonstrated for the first time, to the best of our knowledge, an efficient tuning of soliton pulse characteristics for both CW and CCW channels via an appropriate polarization control. We believe that the bidirectional laser presented may be highly promising for gyroscopic and other dual-channel applications.

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“…Fortunately, recent results demonstrated that the ultrafast fiber laser could be mode locked in a bidirectional manner [19][20][21]. In this case, the lightwaves propagate in two opposite directions in the same laser cavity, indicating that they share the same gain medium, saturable absorber and net dispersion.…”

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confidence: 99%

Behavioral similarity of dissipative solitons in an ultrafast fiber laser

Kong

et al. 2019

Opt. Lett.

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Dissipative solitons are non-dispersive localized waves that exhibit intriguing dynamics. In optical systems, the discovery of new soliton dynamics and how to accurately manipulate dissipative solitons are still largely unexplored and challenging in the ultrafast fiber laser community. Herein, we unveil a new type of dissipative soliton behavior in a net-normal-dispersion bidirectional ultrafast fiber laser. That is, the bidirectional dissipative solitons will always reveal similar spectral and temporal characteristics through common gain and loss modulation, even if the transient instability is involved. The behavioral similarity enables us to accurately design the soliton patterns by introducing seed pulses through loss modulation. As a proof-of-concept application, the precise and flexible manipulation of multi-soliton patterns is demonstrated. These findings will shed new insights into the complex dissipative soliton dynamics, and also beneficial for designing ultrafast lasers with desirable soliton patterns for practical applications.

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Dual-Wavelength, Bidirectional Single-Wall Carbon Nanotube Mode-Locked Fiber Laser

Cited by 67 publications

References 14 publications

Unidirectional, dual-comb lasing under multiple pulse formation mechanisms in a passively mode-locked fiber ring laser

Unidirectional, dual-comb lasing under multiple pulse formation mechanisms in a passively mode-locked fiber ring laser

Generation regimes of bidirectional hybridly mode-locked ultrashort pulse erbium-doped all-fiber ring laser with a distributed polarizer

Behavioral similarity of dissipative solitons in an ultrafast fiber laser

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