Measuring the sensitivity to optical feedback of single-frequency high-power laser diodes

Mathias Christensen; Christof Zink; Muhammad Tahir Jamal; Anders Kragh Hansen; Ole Bjarlin Jensen; Bernd Sumpf

doi:10.1364/JOSAB.417258

Measuring the sensitivity to optical feedback of single-frequency high-power laser diodes

Mathias Christensen
, Christof Zink
, Muhammad Tahir Jamal
, Anders Kragh Hansen
, Ole Bjarlin Jensen^*
, Bernd Sumpf

^*Corresponding author for this work

Department of Health Technology

Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik

Research output: Contribution to journal › Journal article › Research › peer-review

675 Downloads (Orbit)

Abstract

Laser diodes, in general, are sensitive to optical feedback, especially with regard to maintaining single-frequency operation. Until now, however, the feedback sensitivity of high-power devices such as single-frequency distributed Bragg reflector (DBR) tapered laser diodes has not been investigated in quantitative detail. In this paper, we analyze the impact of very weak optical feedback between -105 dB and -40 dB on a high-power DBR tapered laser diode. The measurement setup is validated using a typical DFB laser diode. The results are in good agreement with the theory at low-feedback levels. (C) 2021 Optical Society of America

Original language	English
Journal	Journal of the Optical Society of America B-optical Physics
Volume	38
Issue number	3
Pages (from-to)	885-892
ISSN	0740-3224
DOIs	https://doi.org/10.1364/JOSAB.417258
Publication status	Published - 2021

Access to Document

10.1364/JOSAB.417258

FulltextAccepted author manuscript, 1.44 MB

OpenUrl availability

Check availability in DTU Findit

Cite this

@article{0f5cbac60f5945b49db54236634ca336,

title = "Measuring the sensitivity to optical feedback of single-frequency high-power laser diodes",

abstract = "Laser diodes, in general, are sensitive to optical feedback, especially with regard to maintaining single-frequency operation. Until now, however, the feedback sensitivity of high-power devices such as single-frequency distributed Bragg reflector (DBR) tapered laser diodes has not been investigated in quantitative detail. In this paper, we analyze the impact of very weak optical feedback between -105 dB and -40 dB on a high-power DBR tapered laser diode. The measurement setup is validated using a typical DFB laser diode. The results are in good agreement with the theory at low-feedback levels. (C) 2021 Optical Society of America",

author = "Mathias Christensen and Christof Zink and Jamal, \{Muhammad Tahir\} and Hansen, \{Anders Kragh\} and Jensen, \{Ole Bjarlin\} and Bernd Sumpf",

year = "2021",

doi = "10.1364/JOSAB.417258",

language = "English",

volume = "38",

pages = "885--892",

journal = "Journal of the Optical Society of America B-optical Physics",

issn = "0740-3224",

publisher = "Optica Publishing Group (formerly OSA)",

number = "3",

}

TY - JOUR

T1 - Measuring the sensitivity to optical feedback of single-frequency high-power laser diodes

AU - Christensen, Mathias

AU - Zink, Christof

AU - Jamal, Muhammad Tahir

AU - Hansen, Anders Kragh

AU - Jensen, Ole Bjarlin

AU - Sumpf, Bernd

PY - 2021

Y1 - 2021

N2 - Laser diodes, in general, are sensitive to optical feedback, especially with regard to maintaining single-frequency operation. Until now, however, the feedback sensitivity of high-power devices such as single-frequency distributed Bragg reflector (DBR) tapered laser diodes has not been investigated in quantitative detail. In this paper, we analyze the impact of very weak optical feedback between -105 dB and -40 dB on a high-power DBR tapered laser diode. The measurement setup is validated using a typical DFB laser diode. The results are in good agreement with the theory at low-feedback levels. (C) 2021 Optical Society of America

AB - Laser diodes, in general, are sensitive to optical feedback, especially with regard to maintaining single-frequency operation. Until now, however, the feedback sensitivity of high-power devices such as single-frequency distributed Bragg reflector (DBR) tapered laser diodes has not been investigated in quantitative detail. In this paper, we analyze the impact of very weak optical feedback between -105 dB and -40 dB on a high-power DBR tapered laser diode. The measurement setup is validated using a typical DFB laser diode. The results are in good agreement with the theory at low-feedback levels. (C) 2021 Optical Society of America

U2 - 10.1364/JOSAB.417258

DO - 10.1364/JOSAB.417258

M3 - Journal article

SN - 0740-3224

VL - 38

SP - 885

EP - 892

JO - Journal of the Optical Society of America B-optical Physics

JF - Journal of the Optical Society of America B-optical Physics

IS - 3

ER -

Measuring the sensitivity to optical feedback of single-frequency high-power laser diodes

Abstract

Access to Document

OpenUrl availability

Fingerprint

Cite this