Advanced micropillar cavities: Room-temperature operation of microlasers

A A. Babichev (Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,) A A. Blokhin (Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,) Y Yu. Zadiranov (Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,) Y Yu. Salii (Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,) M M. Kulagina (Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,) M M. Bobrov (Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,) A A. Vasil'ev (Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,) S S. Blokhin (Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,) N N. Maleev (Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,) I I. Makhov (HSE University 2 , 3A Kantemirovskaya St., 194100 Saint Petersburg,) N N. Kryzhanovskaya (HSE University 2 , 3A Kantemirovskaya St., 194100 Saint Petersburg,) L L. Karachinsky (ITMO University 3 , 49 Kronverksky Pr., 197101 Saint Petersburg,) I I. Novikov (ITMO University 3 , 49 Kronverksky Pr., 197101 Saint Petersburg,) A A. Egorov (ITMO University 3 , 49 Kronverksky Pr., 197101 Saint Petersburg,)

Abstract

High-quality micropillar cavities were grown using molecular-beam epitaxy. Stable continuous-wave lasing at room temperature was demonstrated for microlasers with semiconductor and hybrid output mirrors. At 300 K, single-mode lasing was demonstrated for micropillars with a diameter of 5 μm at a wavelength of 960 nm, with a minimum lasing threshold of ∼1.2 mW and the quality-factor at threshold exceeding 8000.

Article Details

Volume / Issue Vol. 128, Issue 5
Published February 02, 2026
ISSN 0003-6951
Publisher American Institute of Physics

Journal Info

Applied Physics Letters

American Institute of Physics

ISSN: 0003-6951 Physical Sciences

Authors (14)

A

A. Babichev

Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,

A

A. Blokhin

Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,

Y

Yu. Zadiranov

Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,

Y

Yu. Salii

Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,

M

M. Kulagina

Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,

M

M. Bobrov

Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,

A

A. Vasil'ev

Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,

S

S. Blokhin

Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,

N

N. Maleev

Ioffe Institute 1 , 26 Polytechnicheskaya St., 194021 Saint Petersburg,

I

I. Makhov

HSE University 2 , 3A Kantemirovskaya St., 194100 Saint Petersburg,

N

N. Kryzhanovskaya

HSE University 2 , 3A Kantemirovskaya St., 194100 Saint Petersburg,

L

L. Karachinsky

ITMO University 3 , 49 Kronverksky Pr., 197101 Saint Petersburg,

I

I. Novikov

ITMO University 3 , 49 Kronverksky Pr., 197101 Saint Petersburg,

A

A. Egorov

ITMO University 3 , 49 Kronverksky Pr., 197101 Saint Petersburg,