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1308 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 20, NO. 15, AUGUST 1, 2008 Fundamental and Subharmonic Hybrid
 

Summary: 1308 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 20, NO. 15, AUGUST 1, 2008
Fundamental and Subharmonic Hybrid
Mode-Locking of a High-Power (220 mW)
Monolithic Semiconductor Laser
Faisal R. Ahmad, Student Member, IEEE, and Farhan Rana, Member, IEEE
Abstract--We report on the generation of stable optical pulses
at 1.55-m wavelength via fundamental and subharmonic hybrid
mode-locking of a high-power electrically pumped semiconductor
diode laser with a slab-coupled optical waveguide structure. The
highest average power measured in mode-locked operation was
220 mW. This is the highest power reported for a hybrid mode-
locked monolithic semiconductor laser. We also measure the phase
(or timing) noise during fundamental and subharmonic operation
and our measurements show good agreement with theory.
Index Terms--Laser noise, optical pulses, semiconductor lasers.
I. INTRODUCTION
HIGH-POWER electrically pumped monolithic semi-
conductor mode-locked lasers offer an economical,
compact, and power-efficient alternative to existing solid-state
and fiber mode-locked lasers. For application areas such as high

  

Source: Afshari, Ehsan - School of Electrical and Computer Engineering, Cornell University

 

Collections: Engineering