Passively Mode-Locked 2.7 and 3.2 μm GaSb-Based Cascade Diode Lasers

Tao Feng; Leon Shterengas; Takashi Hosoda; Gela Kipshidze; Alexey Belyanin; Chu C. Teng; Jonas Westberg; Gerard Wysocki; Gregory Belenky

doi:10.1109/JLT.2020.2971605

Passively Mode-Locked 2.7 and 3.2 μm GaSb-Based Cascade Diode Lasers

Tao Feng, Leon Shterengas, Takashi Hosoda, Gela Kipshidze, Alexey Belyanin, Chu C. Teng, Jonas Westberg, Gerard Wysocki, Gregory Belenky

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

The passively mode-locked type-I quantum well cascade diode lasers operating near 2.7 and 3.2 μm generated trains of the ∼10 ps long pulses with average power up to 10 mW. The devices based on laser heterostructures with reinforced carrier confinement requires increased reverse bias voltages applied to absorber sections to operate in mode-locked regime. The autocorrelation measurements showed that lasers generated strongly chirped pulses with temporal width an order of magnitude above transform limit. The application of the external feedback led to narrowing of the laser emission spectra accompanied by an order of magnitude reduction of the intermodal beat note linewidth. The multiheterodyne beat notes have been observed for devices stabilized by external feedback.

Original language	English (US)
Article number	8981955
Pages (from-to)	1895-1899
Number of pages	5
Journal	Journal of Lightwave Technology
Volume	38
Issue number	7
DOIs	https://doi.org/10.1109/JLT.2020.2971605
State	Published - Apr 1 2020
Externally published	Yes

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

Keywords

Cascade lasers
GaSb
mode-locked lasers
optical frequency comb
quantum wells
semiconductor lasers

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10.1109/JLT.2020.2971605

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title = "Passively Mode-Locked 2.7 and 3.2 μm GaSb-Based Cascade Diode Lasers",

abstract = "The passively mode-locked type-I quantum well cascade diode lasers operating near 2.7 and 3.2 μm generated trains of the ∼10 ps long pulses with average power up to 10 mW. The devices based on laser heterostructures with reinforced carrier confinement requires increased reverse bias voltages applied to absorber sections to operate in mode-locked regime. The autocorrelation measurements showed that lasers generated strongly chirped pulses with temporal width an order of magnitude above transform limit. The application of the external feedback led to narrowing of the laser emission spectra accompanied by an order of magnitude reduction of the intermodal beat note linewidth. The multiheterodyne beat notes have been observed for devices stabilized by external feedback.",

keywords = "Cascade lasers, GaSb, mode-locked lasers, optical frequency comb, quantum wells, semiconductor lasers",

author = "Tao Feng and Leon Shterengas and Takashi Hosoda and Gela Kipshidze and Alexey Belyanin and Teng, {Chu C.} and Jonas Westberg and Gerard Wysocki and Gregory Belenky",

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doi = "10.1109/JLT.2020.2971605",

language = "English (US)",

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T1 - Passively Mode-Locked 2.7 and 3.2 μm GaSb-Based Cascade Diode Lasers

AU - Feng, Tao

AU - Shterengas, Leon

AU - Hosoda, Takashi

AU - Kipshidze, Gela

AU - Belyanin, Alexey

AU - Teng, Chu C.

AU - Westberg, Jonas

AU - Wysocki, Gerard

AU - Belenky, Gregory

PY - 2020/4/1

Y1 - 2020/4/1

N2 - The passively mode-locked type-I quantum well cascade diode lasers operating near 2.7 and 3.2 μm generated trains of the ∼10 ps long pulses with average power up to 10 mW. The devices based on laser heterostructures with reinforced carrier confinement requires increased reverse bias voltages applied to absorber sections to operate in mode-locked regime. The autocorrelation measurements showed that lasers generated strongly chirped pulses with temporal width an order of magnitude above transform limit. The application of the external feedback led to narrowing of the laser emission spectra accompanied by an order of magnitude reduction of the intermodal beat note linewidth. The multiheterodyne beat notes have been observed for devices stabilized by external feedback.

AB - The passively mode-locked type-I quantum well cascade diode lasers operating near 2.7 and 3.2 μm generated trains of the ∼10 ps long pulses with average power up to 10 mW. The devices based on laser heterostructures with reinforced carrier confinement requires increased reverse bias voltages applied to absorber sections to operate in mode-locked regime. The autocorrelation measurements showed that lasers generated strongly chirped pulses with temporal width an order of magnitude above transform limit. The application of the external feedback led to narrowing of the laser emission spectra accompanied by an order of magnitude reduction of the intermodal beat note linewidth. The multiheterodyne beat notes have been observed for devices stabilized by external feedback.

KW - Cascade lasers

KW - GaSb

KW - mode-locked lasers

KW - optical frequency comb

KW - quantum wells

KW - semiconductor lasers

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Passively Mode-Locked 2.7 and 3.2 μm GaSb-Based Cascade Diode Lasers

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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