Widely tunable multimode-interference based coupled cavity laser with integrated interferometer

D’Agostino, D.; Lenstra, D.; Ambrosius, H.P.M.M.; Smit, M.K.

doi:10.1364/oe.26.014159

Cited by 7 publications

(2 citation statements)

References 28 publications

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“…Tunable DBR lasers based on sampling grating structures realize a tuning range over 50 nm by the Vernier effect, but multiple epitaxial steps and high-resolution lithography are needed to fabricate the DBR structures, which increases the cost and complicates the device fabrication [7][8][9][10][11]. The coupled-cavity lasers are demonstrated to avoid the electron beam lithography when fabricating conventional embedded gratings [12][13][14][15][16]. Zhang et al realized 50×100 GHz wavelength tuning based on V-coupled-cavity semiconductor laser.…”

Section: Introductionmentioning

confidence: 99%

20-nm consecutive discrete tuning range semiconductor laser with 125 GHz channel spacing based on slotted surface grating fabricated by standard lithography

Dong¹,

Liu²,

Ma³

et al. 2020

Semicond. Sci. Technol.

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A widely tunable semiconductor laser based on slotted surface grating is presented. This regrowth-free tunable semiconductor laser is fabricated by contact i-line lithography rather than electron beam lithography. The fabrication process of this tunable laser is similar to Fabry-Pèrot lasers, which can simplify the fabrication. The tunable semiconductor laser achieves a 20-nm consecutive discrete tuning range with a 125 GHz channel spacing at 25 °C, which is, to the best of our knowledge, the highest consecutive discrete tuning range in such a channel spacing for this kind of four-section tunable semiconductor laser fabricated without electron beam lithography. This tunable semiconductor laser can be widely used in the applications such as wavelength-division-multiplexing systems and optical routing systems.

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Section: Introductionmentioning

confidence: 99%

20-nm consecutive discrete tuning range semiconductor laser with 125 GHz channel spacing based on slotted surface grating fabricated by standard lithography

Dong¹,

Liu²,

Ma³

et al. 2020

Semicond. Sci. Technol.

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“…Introduction. Multi-mode interference (MMI) and selfimaging effects are well-known phenomena of diffractive wave optics [1][2][3][4] which find major applications in different fields ranging from optical imaging and sensing [4][5][6][7][8][9] to beam shaping [10,11], laser design [12,13], optical signal processing [3,14,15], and quantum information [16]. In most of previous studies, interference arises among normal modes of lossless dielectric waveguides or fibers, which are orthogonal modes like the eigenmodes of a Hermitian system.…”

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confidence: 99%

Non-Hermitian multimode interference

Longhi

Feng

2020

Opt. Lett.

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Multi-mode interference (MMI) and self-imaging are important phenomena of diffractive wave optics with major applications in optical signal processing, beam shaping and optical sensing. Such phenomena generally arise from interference of normal modes in lossless dielectric guiding structures, however the impact of spatially-inhomogeneous optical gain and loss, which break mode orthogonality and symmetries, has been overlooked. Here we consider MMI in non-Hermitian optical systems, either graded index or coupled optical waveguide structures with optical gain and loss, and reveal distinctive features, such as the absence of mirror images and strong-sensitivity of self-imaging to perturbations, making MMI in non-Hermitian waveguides of interest in optical sensing.

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A 6 × 30 Gb/s Tunable Transmitter PIC With Low RF Crosstalk From an Open-Access InP Foundry

Yao

Smalbrugge

Smit

et al. 2019

IEEE J. Select. Topics Quantum Electron.

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Widely tunable multimode-interference based coupled cavity laser with integrated interferometer

Cited by 7 publications

References 28 publications

20-nm consecutive discrete tuning range semiconductor laser with 125 GHz channel spacing based on slotted surface grating fabricated by standard lithography

20-nm consecutive discrete tuning range semiconductor laser with 125 GHz channel spacing based on slotted surface grating fabricated by standard lithography

Non-Hermitian multimode interference

A 6 × 30 Gb/s Tunable Transmitter PIC With Low RF Crosstalk From an Open-Access InP Foundry

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