Integrated InAs/InP quantum-dot coherence comb lasers (Conference Presentation)

Zhenguo Lu; Jiaren Liu; Philip J. Poole; Chun-Ying Song; John Webber; Linda Mao; Shoude Chang; Heping Ding; Pedro J. Barrios; Daniel Poitras; Siegfried Janz

doi:10.1117/12.2256571

28 April 2017 Integrated InAs/InP quantum-dot coherence comb lasers (Conference Presentation)

Zhenguo Lu, Jiaren Liu, Philip J. Poole, Chun-Ying Song, John Webber, Linda Mao, Shoude Chang, Heping Ding, Pedro J. Barrios, Daniel Poitras, Siegfried Janz

Author Affiliations +

Proceedings Volume 10107, Smart Photonic and Optoelectronic Integrated Circuits XIX; 101070I (2017) https://doi.org/10.1117/12.2256571
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Current communication networks needs to keep up with the exponential growth of today’s internet traffic, and telecommunications industry is looking for radically new integrated photonics components for new generation optical networks. We at National Research Council (NRC) Canada have successfully developed nanostructure InAs/InP quantum dot (QD) coherence comb lasers (CCLs) around 1.55 m. Unlike uniform semiconductor layers in most telecommunication lasers, in these QD CCLs light is emitted and amplified by millions of semiconductor QDs less than 60 nm in diameter. Each QD acts like an isolated light source acting independently of its neighbours, and each QD emits light at its own unique wavelength. The end result is a QD CCL is more stable and has ultra-low timing jitter. But most importantly, a single QD CCL can simultaneously produce 50 or more separate laser beams at distinct wavelengths over the telecommunications C-band. Utilizing those unique properties we have put considerable effort well to design, grow and fabricate InAs/InP QD gain materials. After our integrated packaging and using electrical feedback-loop control systems, we have successfully demonstrated ultra-low intensity and phase noise, frequency-stabilized integrated QD CCLs with the repetition rates from 10 GHz to 100 GHz and the total output power up to 60 mW at room temperature. We have investigated their relative intensity noises, phase noises, RF beating signals and other performance of both filtered individual channel and the whole CCLs. Those highly phase-coherence comb lasers are the promising candidates for flexible bandwidth terabit coherent optical networks and signal processing applications.

Conference Presentation

Citation Download Citation

Zhenguo Lu, Jiaren Liu, Philip J. Poole, Chun-Ying Song, John Webber, Linda Mao, Shoude Chang, Heping Ding, Pedro J. Barrios, Daniel Poitras, and Siegfried Janz "Integrated InAs/InP quantum-dot coherence comb lasers (Conference Presentation)", Proc. SPIE 10107, Smart Photonic and Optoelectronic Integrated Circuits XIX, 101070I (28 April 2017); https://doi.org/10.1117/12.2256571

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KEYWORDS

Telecommunications

Interference (communication)

Optical networks

Semiconductors

Integrated photonics

Internet

Laser development

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