A distributed feedback laser for a tunable microwave photonic filter

Peng, Peng‐Chun; Wu, Feng-Kai; Chen, Y C; Chang, T. L.

doi:10.1088/1612-2011/10/7/075109

Cited by 5 publications

(5 citation statements)

References 27 publications

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“…These features make them highly attractive for several applications, such as broadband wireless communication, high-specificity sensing, and highresolution ranging and imaging [8,9]. Distributed feedback (DFB) lasers can be widely used in optical communication and fiber optic sensing fields by relying on their high power and reliability [10]. The generation of microwave signals with conventional solitary direct modulation lasers is simple, but its bandwidth range is small and is typically limited to 15-25 GHz [11].…”

Section: Introductionmentioning

confidence: 99%

Semiconductor laser and polarization modulator for W-band signal generation

Yao¹,

Manie²,

Huang³

et al. 2022

Laser Phys. Lett.

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A photonic microwave harmonic up-conversion is experimentally demonstrated using the local oscillator (LO) to directly modulate the distributed feedback laser and externally modulate the polarization modulator simultaneously. By feeding the initial radio frequency signal generated by the LO into the system, the second and fourth harmonic photonic microwaves are eventually available through the separation of the polarization beam splitter. The steady second and fourth harmonic photonic microwaves have a linewidth of about 100 Hz and a discrepancy of up to 60 dB between the central peak and the noise floor. Undesired harmonics and sidebands in the 30 GHz, 60 GHz, and 80 GHz fourth harmonic photonic microwaves can be suppressed without the use of optical amplifiers, resulting in a clear display of both tones. The single-sideband (SSB) phase noise of this proposed system adds about 6 dB of SSB phase noise in each cumulative harmonic, which is close to the ideal state.

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Section: Introductionmentioning

confidence: 99%

Semiconductor laser and polarization modulator for W-band signal generation

Yao¹,

Manie²,

Huang³

et al. 2022

Laser Phys. Lett.

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“…Recently, many different techniques have been proposed for generating microwave signals in the optical domain [9][10][11]. These techniques require specially designed radio frequency (RF), optical filters, or external microwave sources to operate and ensure a clean RF spectrum, which increases the cost and complexity of the system [12]. Thus, microwave and mm-wave signal generation systems require reliable and cheap photonic devices and infrastructures to increase the transmission distance and reduce the complexity of the network.…”

Section: Introductionmentioning

confidence: 99%

Microwave signal generation with discrete mode laser diode

Yao¹,

Chen²,

Manie³

et al. 2022

Laser Phys. Lett.

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Microwave signals with low phase noise can be broadly used in communication systems, satellite communications, and radar systems. Discrete mode laser diode (DM-LD) has the capacity to generate signals that meet the above requirements. Moreover, it has the following advantages such as stable operation over a wide temperature range, very high side mode suppression ratio, low sensitivity to optical feedback, and narrow linewidth. In this paper, we proposed and experimentally demonstrated DM-LD for generating the second harmonic signal in the self-starting microwave generation system. The results show that DM-LD effectively reduces the single sideband (SSB) phase noise of the fundamental signals and its second harmonic signals better than the same designed experimental system using a distributed feedback LD, which reduces the SSB noise of the fundamental signal/its second harmonic signal by over 16/22 dB, 18/22 dB, 13/19 dB at a frequency offset of 10 kHz, 100 kHz, and 1 MHz, respectively.

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“…Distributed feedback (DFB) dye lasers, as one of the most versatile and efficient laser structures, have attracted extensive attention due to their potential as a cost-effective, tunable picosecond pulse source over a wide range of the electro magnetic spectrum (UV-IR) [1][2][3][4][5][6][7][8]. Since the first DFB dye laser was introduced by Kogelnik and Shank [9], this technique has been widely employed to achieve tunable lasers.…”

Section: Introductionmentioning

confidence: 99%

Temporal output profile of gain-coupled distributed feedback dye laser

Pasandideh¹,

Souri²,

Kamel³

et al. 2017

Laser Phys.

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The lasing mechanism and temporal output profile of distributed feedback dye lasers is investigated, using a model based on induced polarization in the dye solution, where a more accurate behavior of the laser output is predicted. It is found that the temporal output profile of the laser is mostly determined by the concentration of dye solution and the lifetime of the upper laser level of dye molecules. To a large extent, the results of this work agree with experimental studies, even at high-level pump intensities where the self Q-switched model fails to be applied. Especially, the experimentally observed irregular intensity profile of laser output is explained. It is also shown that, when pumping dye solution by narrower pulses, the single-pulse output mode can be realized in the wider range of pump intensities and the pulsewidth stability of laser can be improved.

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A distributed feedback laser for a tunable microwave photonic filter

Cited by 5 publications

References 27 publications

Semiconductor laser and polarization modulator for W-band signal generation

Semiconductor laser and polarization modulator for W-band signal generation

Microwave signal generation with discrete mode laser diode

Temporal output profile of gain-coupled distributed feedback dye laser

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