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Bibliographic Details
Main Authors:	Rajala, Patrik, Tatar-Mathes, Philipp, Phung, Hoy-My, Koskinen, Jesse, Ranta, Sanna, Guina, Mircea, Kahle, Hermann
Format:	Preprint
Published:	2023
Subjects:	Optics Applied Physics
Online Access:	https://arxiv.org/abs/2309.05409
Tags:	Add Tag No Tags, Be the first to tag this record!

Hybrid integrated ultra-low linewidth coil stabilized isolator-free widely tunable external cavity laser
by: Heim, David A. S., et al.
Published: (2025)

Metasurface-controlled high-speed tunable external cavity lasers
by: Basiri, Zahra, et al.
Published: (2025)

Design of broadband optical gain in GaSb-based waveguide amplifiers with asymmetric quantum wells
by: Bhuiyan, Ifte Khairul Alam, et al.
Published: (2025)

Polarization dynamics in vertical-cavity surface emitting lasers
by: Ackemann, Thorsten, et al.
Published: (2025)

Electronic properties of metamorphic GaSbBi films on GaAs
by: Hilska, Joonas, et al.
Published: (2024)

Continuously tunable coherent pulse generation in semiconductor lasers
by: Senica, Urban, et al.
Published: (2024)

Fiber-coupled external cavity DFB-laser
by: Nak, David C., et al.
Published: (2025)

Telecom wavelength single-photon emission from quasi-resonantly excited InGaSb/AlGaSb quantum dots
by: Hakkarainen, Teemu, et al.
Published: (2024)

Frequency-comb-linearized, widely tunable lasers for coherent ranging
by: Shi, Baoqi, et al.
Published: (2023)

Ultrastable jammed sphere packings with a wide range of particle dispersities
by: Hoy, Robert S.
Published: (2025)

Attosecond spectroscopy using vacuum-ultraviolet pulses emitted from laser-driven semiconductors
by: Nayak, A., et al.
Published: (2024)

An integrated electro-optically tunable multi-channel interference cavity laser
by: Zhou, Junxia, et al.
Published: (2024)

Adjusting optical cavity birefringence with wavelength tunable laser for axion searches
by: Takidera, Hinata, et al.
Published: (2025)

Continuously and widely tunable frequency-stabilized laser based on an optical frequency comb
by: Shen, Ze-Min, et al.
Published: (2024)

Temporal pattern generation with tunable repetition rate using semiconductor laser periodic dynamics
by: Argyris, Apostolos
Published: (2025)

Direct laser-written optomechanical membranes in fiber Fabry-Perot cavities
by: Tenbrake, Lukas, et al.
Published: (2022)

Closed BV-extension and $W^{1,1}$-extension sets
by: Caputo, Emanuele, et al.
Published: (2025)

Vivir Bien as an Alternative to Neoliberal Globalization
by: Ranta, Eija
Published: (2025)

The Finnish Library System.
by: Ranta, Kaarina
Published: (1978)

Experiential marketing strategy and tourism demand in the contribution of the positioning of the floating islands Los Uros, Puno
by: Montalico, Guina Flores
Published: (2025)

The Role of Prenatal Ultrasound and Added Value of Post‐Mortem Radiographic Imaging With X‐Ray and CT in Suspected Fetal Skeletal Dysplasia
by: Katri Rajala, et al.
Published: (2024)

Revenue logics of mobile entertainment software observations from companies producing mobile games
by: Risto Rajala
Published: (2007)

Extremal length and duality
by: Rajala, Kai
Published: (2024)

Rigid circle domains with non-removable boundaries
by: Rajala, Kai
Published: (2024)

Rigid circle domains with non‐removable boundaries
by: Kai Rajala
Published: (2025)

Frequency and intensity noise of a grating-tuned external-cavity quantum cascade laser
by: La Penna, Irene, et al.
Published: (2025)

Large and tunable negative refractive index via electromagnetically induced chirality in a semiconductor quantum well nanostructure
by: Zhao, Shun-Cai, et al.
Published: (2018)

Hybrid integrated narrow linewidth semiconductor laser based on the distributed feedback from an external deformed microcavity
by: Wei, Da, et al.
Published: (2026)

Gate-tunable subband degeneracy in semiconductor nanowires
by: Wang, Yuhao, et al.
Published: (2024)

Fast Recovery Dynamics of GaSbBi-based SESAMs for high-fluence operation
by: Schuchter, Maximilian C., et al.
Published: (2025)

Micro-transfer printing of GaSb optoelectronics chips for mid-infrared silicon photonics integrated circuits
by: Tuorila, Heidi, et al.
Published: (2024)

InP optical amplifiers with Euler U-bend waveguide geometry for low-loss flip-chip hybrid integration
by: Tuorila, Heidi, et al.
Published: (2024)

Microring quantum cascade surface emitting lasers
by: Stark, David, et al.
Published: (2024)

The role played by country knowledge and product familiarity in the country-of-origin effect: a study on Brazilian Beef in Europe
by: Fernanda de Tavares Canto Guina
Published: (2012)

Home Care Nurses' Experiences of Their Competencies: An Interview Study
by: Liisa Ranta, et al.
Published: (2026)

Sub-20 kHz low frequency noise near ultraviolet miniature external cavity laser diode
by: Kervazo, R, et al.
Published: (2024)

Terahertz semiconductor laser chaos
by: Liu, Binbin, et al.
Published: (2024)

A note on Laplacian bounds, deformation properties and isoperimetric sets in metric measure spaces
by: Pasqualetto, Enrico, et al.
Published: (2025)

Exhaustions of circle domains
by: Ntalampekos, Dimitrios, et al.
Published: (2023)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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