Second-order nonlinearities for high power ultrafast lasers and frequency comb generation (Conference Presentation)

2019 ◽  
Author(s):  
Chris Phillips
Keyword(s):  
High Power ◽  
Ultrafast Lasers ◽  
Frequency Comb ◽  
Second Order ◽  
Comb Generation

Ultraviolet frequency comb generation by frequency quadrupling a high-power fiber amplifier

CLEO: 2013 ◽  
2013 ◽  
Author(s):  
Kangwen Yang ◽  
Wenxue Li ◽  
Xuling Shen ◽  
Dongbi Bai ◽  
Jian Zhao ◽  
...  
Keyword(s):  
High Power ◽  
Frequency Comb ◽  
Fiber Amplifier ◽  
Comb Generation

scholarly journals Frequency Comb Generation via Cascaded Second-Order Nonlinearities in Microresonators

2020 ◽  
Vol 124 (20) ◽  
Author(s):  
Jan Szabados ◽  
Danila N. Puzyrev ◽  
Yannick Minet ◽  
Luis Reis ◽  
Karsten Buse ◽  
...  
Keyword(s):  
Frequency Comb ◽  
Second Order ◽  
Comb Generation

scholarly journals All-fibre heterogeneously-integrated frequency comb generation using silicon core fibre

2021 ◽  
Author(s):  
Ronit Sohanpal ◽  
Haonan Ren ◽  
Li Shen ◽  
Callum Deakin ◽  
Alexander Heidt ◽  
...  
Keyword(s):  
Signal Processing ◽  
High Power ◽  
High Performance ◽  
Frequency Comb ◽  
Signal To Noise Ratio ◽  
Optical Signal ◽  
Frequency Combs ◽  
Core Fibre ◽  
Comb Generation ◽  
Technical Features

Abstract Originally developed for metrology, optical frequency combs are becoming increasingly pervasive in a wider range of research topics including optical communications, spectroscopy, and radio or microwave signal processing. However, application demands in these fields can be more challenging as they require compact sources with a high tolerance to temperature variations that are capable of delivering flat comb spectra, high power per tone, narrow linewidth and high optical signal-to-noise ratio (OSNR). To date, there has not been a frequency comb technology that is able to simultaneously achieve all these requirements. This work reports the generation of a flat, high power frequency comb in the telecom band using a 17-mm fully-integrated silicon core fibre (SCF) as a parametric mixer. Our all-fibre, cavity-free source combines the materials benefits of planar waveguide structures with the advantageous properties of fibre platforms to achieve a 30 nm bandwidth comb source containing 143 tones with <3 kHz linewidth, 12 dB flatness, and >30 dB OSNR over the entire spectral region. The unique combination of technical features offered by this SCF-based source opens a path towards a new class of high-performance frequency comb generators for communications and signal processing applications.

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