Tuning the external optical feedback-sensitivity of a passively mode-locked quantum dot laser

R. Raghunathan, F. Grillot, J. K. Mee, D. Murrell, V. Kovanis, L. F. Lester

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The external optical feedback-sensitivity of a two-section, passively mode-locked quantum dot laser operating at elevated temperature is experimentally investigated as a function of absorber bias voltage. Results show that the reverse-bias voltage on the absorber has a direct impact on the damping rate of the free-running relaxation oscillations of the optical signal output, thereby enabling interactive external control over the feedback-response of the device, even under the nearly resonant cavity configuration. The combination of high temperature operation and tunable feedback-sensitivity is highly promising from a technological standpoint, in particular, for applications requiring monolithic integration of multi-component architectures on a single chip in order to accomplish, for instance, the dual-objectives of stable pulse quality and isolation from parasitic reflections.

Original languageEnglish
Article number041112
JournalApplied Physics Letters
Volume105
Issue number4
DOIs
Publication statusPublished - Jul 28 2014
Externally publishedYes

Fingerprint

tuning
quantum dots
sensitivity
absorbers
lasers
electric potential
cavity resonators
optical communication
isolation
damping
chips
oscillations
output
configurations
pulses
temperature

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Raghunathan, R., Grillot, F., Mee, J. K., Murrell, D., Kovanis, V., & Lester, L. F. (2014). Tuning the external optical feedback-sensitivity of a passively mode-locked quantum dot laser. Applied Physics Letters, 105(4), [041112]. https://doi.org/10.1063/1.4891576

Tuning the external optical feedback-sensitivity of a passively mode-locked quantum dot laser. / Raghunathan, R.; Grillot, F.; Mee, J. K.; Murrell, D.; Kovanis, V.; Lester, L. F.

In: Applied Physics Letters, Vol. 105, No. 4, 041112, 28.07.2014.

Research output: Contribution to journalArticle

Raghunathan, R, Grillot, F, Mee, JK, Murrell, D, Kovanis, V & Lester, LF 2014, 'Tuning the external optical feedback-sensitivity of a passively mode-locked quantum dot laser', Applied Physics Letters, vol. 105, no. 4, 041112. https://doi.org/10.1063/1.4891576
Raghunathan, R. ; Grillot, F. ; Mee, J. K. ; Murrell, D. ; Kovanis, V. ; Lester, L. F. / Tuning the external optical feedback-sensitivity of a passively mode-locked quantum dot laser. In: Applied Physics Letters. 2014 ; Vol. 105, No. 4.
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