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Sub-picosecond pulse and terahertz optical frequency comb generation by monolithically integrated linear mode-locked laser
Author(s): Mu-Chieh Lo; Robinson Guzmán; Muhsin Ali; Rui Santos; Luc Augustin; Guillermo Carpintero
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Paper Abstract

We report on a record broad 3-dB bandwidth of 14 nm (~1.8 THz around 1532 nm) optical frequency comb generated from a passively mode-locked quantum-well (QW) laser in the form of photonic integrated circuits through an InP generic photonic integration technology platform. This 21.5-GHz colliding-pulse mode-locked laser cavity is defined by two on-chip reflectors incorporating intracavity phase modulators followed by an out-of-cavity SOA as booster. Under certain operating conditions, an ultra-wide spectral bandwidth is achieved along with an autocorrelation trace confirming the mode locking nature exhibiting a pulse width of 0.35 ps. The beat note RF spectrum has a linewidth of sub-MHz and 35-dB SNR.

Paper Details

Date Published: 17 May 2017
PDF: 7 pages
Proc. SPIE 10242, Integrated Optics: Physics and Simulations III, 102420A (17 May 2017); doi: 10.1117/12.2264930
Show Author Affiliations
Mu-Chieh Lo, Univ. Carlos III de Madrid (Spain)
Robinson Guzmán, Univ. Carlos III de Madrid (Spain)
Muhsin Ali, Univ. Carlos III de Madrid (Spain)
Rui Santos, SMART Photonics (Netherlands)
Luc Augustin, SMART Photonics (Netherlands)
Guillermo Carpintero, Univ. Carlos III de Madrid (Spain)


Published in SPIE Proceedings Vol. 10242:
Integrated Optics: Physics and Simulations III
Pavel Cheben; Jiří Čtyroký; Iñigo Molina-Fernández, Editor(s)

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