# Coherent summation of the radiation of a single-mode laser diode array

Derzhavin 2012: To phase-lock an array of single-mode laser diodes, the authors use a waveguide grating with resonant abnormal reflection as the common…

Canonical: https://mcgrating.com/publications/derzhavin-2012-coherent-summation-laser-diode-array.html


S I Derzhavin, O A Dyukel', N M Lyndin

S I Derzhavin, O A Dyukel' and N M Lyndin, “Coherent summation of the radiation of a single-mode laser diode array”, Quantum Electron. **42**, 561-564 (2012). [https://doi.org/10.1070/qe2012v042n06abeh014826](https://doi.org/10.1070/qe2012v042n06abeh014826)

To phase-lock an array of single-mode laser diodes, the authors use a waveguide grating with resonant abnormal reflection as the common external feedback mirror: it reflects 100% at the resonance wavelength under normal incidence and is anti-reflecting elsewhere. Designing it splits into two steps, the anti-reflecting waveguide stack first, then the period and depth that place a resonance of the wanted angular width at the wanted wavelength.

Nikolay Lyndin, the author of MC Grating, is a co-author, and the design is one of the site's step-by-step examples.

**Step-by-step example**: Section 1.1.5 of the [step-by-step examples](https://mcgrating.com/docs/examples.html#ex-1-1-5) reproduces the resonant-mirror design, adapted to demo mode.

**Cited on**: [About MC Grating Software](https://mcgrating.com/about.html) · [Products](https://mcgrating.com/products.html) · [Examples](https://mcgrating.com/try-examples.html)

**Bibliography**: [Reference [24]](https://mcgrating.com/references.html#ref-24)

**Full text**: [Coherent summation of the radiation of a single-mode laser diode array](https://mcgrating.com/references/ref24.pdf) (PDF, 622 KB)

© 2012 IOP Publishing. This copy is hosted for the convenience of MC Grating users; the version of record is the publisher's, at the DOI above.

MC Grating is Windows software that computes diffraction gratings by [the modal method](https://mcgrating.com/features/modal-method.html) and [the C method](https://mcgrating.com/features/c-method.html). [The download page](https://mcgrating.com/download.html) has the current release, which runs in demo mode without a license key.