scholarly journals Photonic Crystal Surface Emitting Laser Operating in Pulse-Periodic Regime with Ultralow Divergence Angle

Photonics ◽  
2021 ◽  
Vol 8 (8) ◽  
pp. 323
Author(s):  
Ziye Wang ◽  
Cunzhu Tong ◽  
Lijie Wang ◽  
Huanyu Lu ◽  
Sicong Tian ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Current Pulse ◽  
Output Power ◽  
Continuous Wave ◽  
Crystal Surface ◽  
Periodic Regime ◽  
Peak Output Power ◽  
Surface Emitting Lasers ◽  
Surface Emitting Laser ◽  
Emitting Lasers

The nanosecond-level pulse-operation characteristics of photonic-crystal surface-emitting lasers (PCSELs) with ultralow divergence were investigated in detail. We demonstrate a maximum peak output power of 14 W for a current pulse width of 9 ns, which is about 28 times the saturated power under continuous wave (CW) operation. The full width at half maximum (FWHM) of the optical response pulse is about 3 ns wider than the current pulse. The maximum repetition frequency reaches 400 kHz at 10 A without significant degradation of output power while the value is 100 kHz at 40 A. Moreover, the multimode behavior of the PCSEL at a high peak current was analyzed.

scholarly journals Extracting more light for vertical emission: high power continuous wave operation of 1.3-μm quantum-dot photonic-crystal surface-emitting laser based on a flat band

2019 ◽  
Vol 8 (1) ◽  
Author(s):  
Huan-Yu Lu ◽  
Si-Cong Tian ◽  
Cun-Zhu Tong ◽  
Li-Jie Wang ◽  
Jia-Min Rong ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Output Power ◽  
Continuous Wave ◽  
Crystal Surface ◽  
Bragg Reflector ◽  
Flat Band ◽  
Long Distance ◽  
Surface Emitting Lasers ◽  
Surface Emitting Laser ◽  
Emitting Lasers

AbstractFor long distance optical interconnects, 1.3-μm surface-emitting lasers are key devices. However, the low output power of several milliwatts limits their application. In this study, by introducing a two-dimensional photonic-crystal and using InAs quantum dots as active materials, a continuous-wave, 13.3-mW output power, 1.3-μm wavelength, room-temperature surface-emitting laser is achieved. In addition, such a device can be operated at high temperatures of up to 90 °C. The enhanced output power results from the flat band structure of the photonic crystal and an extra feedback mechanism. Surface emission is realized by photonic crystal diffraction and thus the distributed Bragg reflector is eliminated. The proposed device provides a means to overcome the limitations of low-power 1.3-μm surface-emitting lasers and increase the number of applications thereof.

scholarly journals Self-consistent analysis of photonic-crystal surface-emitting lasers under continuous-wave operation

2021 ◽  
Author(s):  
Shumpei Katsuno ◽  
Takuya Inoue ◽  
Masahiro Yoshida ◽  
Menaka Zoysa ◽  
Kenji Ishizaki ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Continuous Wave ◽  
Crystal Surface ◽  
Continuous Wave Operation ◽  
Surface Emitting Lasers ◽  
Self Consistent ◽  
Emitting Lasers

scholarly journals Electronic control of coherence in a two-dimensional array of photonic crystal surface emitting lasers

2015 ◽  
Vol 5 (1) ◽  
Author(s):  
R. J. E. Taylor ◽  
D. T. D. Childs ◽  
P. Ivanov ◽  
B. J. Stevens ◽  
N. Babazadeh ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Crystal Surface ◽  
Two Dimensional ◽  
Electronic Control ◽  
Dimensional Array ◽  
Surface Emitting Lasers ◽  
Emitting Lasers

Threshold gain analysis in GaN-based photonic crystal surface emitting lasers

2011 ◽  
Vol 36 (10) ◽  
pp. 1908 ◽  
Author(s):  
Peng-Hsiang Weng ◽  
Tzeng-Tsong Wu ◽  
Tien-Chang Lu ◽  
Shing-Chung Wang
Keyword(s):  
Photonic Crystal ◽  
Crystal Surface ◽  
Surface Emitting Lasers ◽  
Emitting Lasers ◽  
Threshold Gain

scholarly journals The improvement of output efficiency of p-face up Photonic-Crystal Surface-Emitting Lasers

2021 ◽  
Author(s):  
Lih-Ren Chen ◽  
Kuo-Bin Hong ◽  
Kuan-Chi Huang ◽  
Hsu-Tung Yen ◽  
Tien-Chang Lu
Keyword(s):  
Photonic Crystal ◽  
Crystal Surface ◽  
Surface Emitting Lasers ◽  
Output Efficiency ◽  
Emitting Lasers
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