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Proceedings Paper

Hybrid mode-locking of a monolithic semiconductor laser on semi-insulating InP substrate
Author(s): Hock Koon Lee; Bocang Qiu; Valentin Loyo-Maldonado; W. K. Tan; A. Catrina Bryce; John H. Marsh
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Paper Abstract

Monolithic colliding pulse mode-locked (CPM) lasers operating at 1.5 +m and 36 GHz repetition frequency were fabricated on semi-insulating substrates. An RF electrical signal at a subharmonic frequency was injected into the saturable absorber at various injected RF power levels, and both the phase noise and timing jitter were characterised. Under fundamental hybrid mode-locking (FH-ML) case, the worst-case timing jitter was reduced from 4.8 ps to 0.69 ps with an injected RF power of +8 dBm. For the second order and third order subharmonic hybrid mode-locking (SH-ML) cases, the timing jitter was reduced to 0.32 ps and 0.45 ps respectively with an injected RF power of +15 dBm. For both the SH-ML cases, the amplitude modulations imposed by the subharmonic driving frequencies were found to be very small.

Paper Details

Date Published: 30 October 2001
PDF: 7 pages
Proc. SPIE 4598, Photonics Technology in the 21st Century, (30 October 2001); doi: 10.1117/12.447103
Show Author Affiliations
Hock Koon Lee, Univ. of Glasgow (United Kingdom)
Bocang Qiu, Intense Photonics Ltd. (United Kingdom)
Valentin Loyo-Maldonado, Univ. of Glasgow (United Kingdom)
W. K. Tan, Univ. of Glasgow (United Kingdom)
A. Catrina Bryce, Univ. of Glasgow (United Kingdom)
John H. Marsh, Univ. of Glasgow (United Kingdom)


Published in SPIE Proceedings Vol. 4598:
Photonics Technology in the 21st Century

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